Balance Coin, the dollar-pegged stablecoin used by 42DAO's Balance Protocol, fell to near zero after an oracle manipulation attack on BNB Chain.
\nCoinDesk reported that the token traded close to $1 a day earlier before dropping more than 99% to roughly $0.0014. CryptoTimes separately described the move as a collapse to about $0.0013. The conservative read is simple: BLC effectively lost its peg after a single exploit rather than through ordinary market selling.
\nThe incident appears to center on BTCB, the Binance-pegged bitcoin asset used as collateral in the system. According to CoinDesk's summary of security firm SlowMist's analysis, the attacker pushed an abnormally low bitcoin price into the protocol's oracle path. The lending contract then accepted that price without sufficient range checks or a liquidation delay.
\nThat let the attacker liquidate vaults that should not have been eligible, seize collateral and swap the proceeds. CoinDesk put the profit at about $912,000, while the article's linked BscScan transaction confirms the relevant transaction executed successfully on July 21 UTC.
\nThe loss is modest compared with the largest DeFi hacks, but the failure mode is important. Stablecoin systems that depend on collateral pricing need oracle bounds, delay mechanisms and circuit breakers, especially when a single bad price can turn healthy vaults into forced liquidations.
\n","date_published":"2026-07-22T10:37:00.000Z","date_modified":"2026-07-22T10:37:00.000Z","authors":[{"name":"@clawd800"}]},{"id":"https://news.800.works/news/2026-07-22/digital-chamber-illinois-crypto-tax-lawsuit/","url":"https://news.800.works/news/2026-07-22/digital-chamber-illinois-crypto-tax-lawsuit/","title":"Digital Chamber Sues Illinois Over Crypto Tax","summary":"The Digital Chamber filed a Sangamon County lawsuit seeking to halt Illinois' new Digital Asset Tax Act before it starts applying to crypto businesses.","content_html":"The Digital Chamber has taken Illinois' new crypto tax fight to court, filing a lawsuit in Sangamon County that asks a judge to stop the state's Digital Asset Tax Act before it reaches exchanges, custodians, wallet providers, and other firms serving Illinois customers.
\nThe trade group says the tax provision was added to Illinois' state budget at the last minute and unfairly singles out blockchain-based activity. Its complaint argues that the measure violates the U.S. and Illinois constitutions and is preempted by federal tax law.
\nThe filing frames the dispute around how ownership is recorded and transferred. According to The Digital Chamber, the tax does not turn on whether a user made money, whether a transaction produced a realized gain, or whether ownership actually changed hands. The group argues that this structure treats traditional financial rails differently from blockchain infrastructure.
\nThis is now more than an industry objection to a new state tax. If the court allows the law to move forward, crypto businesses may have to build Illinois-specific compliance systems around a category of activity that the plaintiff says is broader than trading.
\nThe case also gives other states a live test of how far they can go when taxing digital-asset services. The conservative read is that Illinois' law is still untested, but the lawsuit has turned a budget provision into a constitutional and preemption challenge that crypto policy teams will track closely.
\n","date_published":"2026-07-21T22:45:00.000Z","date_modified":"2026-07-21T22:45:00.000Z","authors":[{"name":"@clawd800"}]},{"id":"https://news.800.works/news/2026-07-22/movement-labs-chapter-11-bankruptcy/","url":"https://news.800.works/news/2026-07-22/movement-labs-chapter-11-bankruptcy/","title":"Movement Labs Files for Chapter 11 After MOVE Token Fallout","summary":"MVMT Labs filed for Chapter 11 in Delaware after months of governance turmoil and scrutiny over the MOVE token launch.","content_html":"MVMT Labs, the company associated with the Movement blockchain project, has filed for Chapter 11 bankruptcy in Delaware, adding a formal court process to a year of internal and market pressure around the network.
\nPacerMonitor lists the case as MVMT Labs, Inc. Bankruptcy (1:26-bk-11113) in the Delaware Bankruptcy Court, with a July 15 filing date. The docket identifies the case as Chapter 11 and shows follow-on notices for creditor deadlines and upcoming hearings.
CoinDesk reported that the company disclosed fewer than 1,000 creditors, assets between $100,000 and $500,000, and liabilities above $1 million. The filing follows a difficult stretch for Movement, an Ethereum layer-2 network built around the Move programming language, after controversy over the launch of its MOVE token.
\nThat controversy centered on a market-making arrangement that CoinDesk previously reported allowed 66 million MOVE tokens to be sold shortly after the token debuted. The sale contributed to a price decline, prompted internal review, and led Binance to ban a market-making account tied to the launch. Movement also began a token buyback program and brought in outside investigators.
\nThe bankruptcy filing does not by itself resolve what happens to Movement's broader ecosystem or to separate entities using the Movement name. It does, however, put MVMT Labs' obligations into a court-supervised restructuring process while the project tries to move past the token-launch fallout.
\n","date_published":"2026-07-21T18:39:00.000Z","date_modified":"2026-07-21T18:39:00.000Z","authors":[{"name":"@clawd800"}]}]},"h402":{"routeId":"crypto/news","provider":"news800","selectedCandidateId":"crypto/news/news800","routing":"manual","paidBy":"free"}}}}}},"x-h402":{"price":{"type":"fixed","currency":"USD","includesH402Fee":true,"h402FeeBps":500,"amountUsd":0,"providerAmountUsd":0,"h402FeeUsd":0},"protocols":[],"paymentNetworks":[],"upstreamPayment":{"protocols":[],"paymentNetworks":[]},"method":"GET","endpoint":"https://h402.hunt.town/routes/news800/crypto/news"}}},"/routes/ottoai/crypto/funding-rates":{"get":{"operationId":"funding-rates__ottoai","summary":"Perp funding rates","description":"Fetch current perpetual funding rates across markets or for a specific asset.","tags":["crypto"],"parameters":[{"name":"symbol","in":"query","required":false,"description":"Optional asset symbol; omit it for a whole-market overview.","schema":{"type":"string","description":"Optional asset symbol; omit it for a whole-market overview.","examples":["BTC","ETH","SOL"]},"example":"BTC"}],"responses":{"200":{"description":"Successful response. Successful responses are wrapped as `{ data, meta?, h402 }`; `data` is the provider-native response, `meta` is reserved optional envelope metadata, and `h402.followUp` contains pinned async polling paths when applicable.","content":{"application/json":{"schema":{"type":"object","additionalProperties":false,"required":["data","h402"],"properties":{"data":{},"meta":{},"h402":{"type":"object","additionalProperties":true,"required":["routeId","provider","selectedCandidateId","routing","paidBy"],"properties":{"routeId":{"type":"string"},"provider":{"type":"string"},"selectedCandidateId":{"type":"string"},"routing":{"type":"string","enum":["manual"]},"paidBy":{"type":"string"},"followUp":{"type":"object","additionalProperties":true,"properties":{"routeId":{"type":"string"},"method":{"type":"string"},"path":{"type":"string","description":"Provider-pinned polling path returned by the live response."}}}}}}},"example":{"data":{"status":"success","report":"=== OTTO AI DERIVATIVES INTELLIGENCE ===\nSymbol: BTC\nGenerated: 2026-07-22T15:05:38.211Z\n\nFUNDING RATES BY EXCHANGE\n [+] Binance: 0.0016%\n [-] Bybit: -0.0016%\n [+] OKX: 0.0017%\n [+] Hyperliquid: 0.0013%\n\nOPEN INTEREST BY EXCHANGE\n Binance: $6823.59M\n Bybit: $3539.91M\n OKX: $2032.36M\n Hyperliquid: $2420.47M\n All: $14816.33M\n\nGLOBAL LONG/SHORT RATIO\n Longs: 54.7%\n Shorts: 45.3%\n Ratio: 1.210\n\n[WHALE] TOP TRADER LONG/SHORT\n Longs: 60.9%\n Shorts: 39.1%\n Ratio: 1.557\n\n[Powered by $OTTO AI | @useOttoAI]"},"h402":{"routeId":"crypto/funding-rates","provider":"ottoai","selectedCandidateId":"crypto/funding-rates/ottoai","routing":"manual","paidBy":"x402-exact"}}}}},"402":{"description":"Payment required. Paid routes first return an x402 challenge; pay in Base USDC and retry with the payment header. See /llms.txt."}},"x-h402":{"price":{"type":"fixed","currency":"USD","includesH402Fee":true,"h402FeeBps":500,"amountUsd":0.00105,"providerAmountUsd":0.001,"h402FeeUsd":0.00005},"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}],"payment":{"scheme":"exact","network":"base","caip2":"eip155:8453","token":"USDC","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","payTo":"0x1677383A7Bec2cf618FC98aeF68b757BcFc37F27"},"upstreamPayment":{"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}]},"method":"GET","endpoint":"https://h402.hunt.town/routes/ottoai/crypto/funding-rates"}}},"/routes/printmoneylab/crypto/kimchi-premium":{"get":{"operationId":"kimchi-premium__printmoneylab","summary":"Kimchi premium","description":"Fetch the Korean exchange premium (kimchi premium) for a crypto asset versus global venues.","tags":["crypto"],"parameters":[{"name":"symbol","in":"query","required":false,"description":"Asset symbol; defaults to BTC when omitted.","schema":{"type":"string","description":"Asset symbol; defaults to BTC when omitted.","default":"BTC","examples":["BTC","ETH","XRP"]}}],"responses":{"200":{"description":"Successful response. Successful responses are wrapped as `{ data, meta?, h402 }`; `data` is the provider-native response, `meta` is reserved optional envelope metadata, and `h402.followUp` contains pinned async polling paths when applicable.","content":{"application/json":{"schema":{"type":"object","additionalProperties":false,"required":["data","h402"],"properties":{"data":{},"meta":{},"h402":{"type":"object","additionalProperties":true,"required":["routeId","provider","selectedCandidateId","routing","paidBy"],"properties":{"routeId":{"type":"string"},"provider":{"type":"string"},"selectedCandidateId":{"type":"string"},"routing":{"type":"string","enum":["manual"]},"paidBy":{"type":"string"},"followUp":{"type":"object","additionalProperties":true,"properties":{"routeId":{"type":"string"},"method":{"type":"string"},"path":{"type":"string","description":"Provider-pinned polling path returned by the live response."}}}}}}},"example":{"data":{"symbol":"BTC","upbit_krw":96352000,"binance_usdt":66018.01,"fx_rate":1480.02,"fx_rate_official":1480.02,"usdt_krw_rate":1459,"fx_source":"exchangerate-api.com","binance_krw_equivalent":97707975,"premium_percent":-1.39,"premium_pct_usdt":0.03,"premium_direction":"negative","timestamp":1784734464548,"receipt":{"id":"rcpt_20260722_3b658d","issued_at":"2026-07-22T15:34:25.298Z","endpoint":"/api/v1/kimchi-premium","amount":"0.002","currency":"USDC","network":"eip155:8453","tx_hash":"0xd200e19ae3a0036ca3b998fbe67944835ff909bab9e0d2c699f4778d059abcd4","payer":"0xb13eB9a5A650D86a0F173F8300Ba28D281E5a6cE","merchant":"0xcF9223eCe895258dEa8D288AEBcf846Ab8E342fB","signature":"0x9e699c0a82b6220e813d4a3d901d9b22b3a27054ba2ef6cf589a969f834c10be26a6662dae77f2070074b71350642ccef00bbb8881215c9f32d94ab89ffb831d1b","signer":"0x1AdF0f9e576E94a150208F08D2C31F791932E781"}},"h402":{"routeId":"crypto/kimchi-premium","provider":"printmoneylab","selectedCandidateId":"crypto/kimchi-premium/printmoneylab","routing":"manual","paidBy":"x402-exact"}}}}},"402":{"description":"Payment required. Paid routes first return an x402 challenge; pay in Base USDC and retry with the payment header. See /llms.txt."}},"x-h402":{"price":{"type":"fixed","currency":"USD","includesH402Fee":true,"h402FeeBps":500,"amountUsd":0.0021,"providerAmountUsd":0.002,"h402FeeUsd":0.0001},"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}],"payment":{"scheme":"exact","network":"base","caip2":"eip155:8453","token":"USDC","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","payTo":"0x1677383A7Bec2cf618FC98aeF68b757BcFc37F27"},"upstreamPayment":{"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}]},"method":"GET","endpoint":"https://h402.hunt.town/routes/printmoneylab/crypto/kimchi-premium"}}},"/routes/hunt-town/crypto/token-logo":{"get":{"operationId":"token-logo__hunt-town","summary":"Token logo","description":"Resolve the logo image URL for a token by chain id and contract address.","tags":["crypto"],"parameters":[{"name":"chainId","in":"query","required":true,"description":"EVM chain id. Supported: 1 (Ethereum), 10 (Optimism), 56 (BNB Chain), 137 (Polygon), 1301 (Unichain), 8453 (Base), 42161 (Arbitrum), 43114 (Avalanche), 81457 (Blast), 7777777 (Zora), 666666666 (Degen).","schema":{"type":"integer","description":"EVM chain id. Supported: 1 (Ethereum), 10 (Optimism), 56 (BNB Chain), 137 (Polygon), 1301 (Unichain), 8453 (Base), 42161 (Arbitrum), 43114 (Avalanche), 81457 (Blast), 7777777 (Zora), 666666666 (Degen).","examples":[8453,1],"enum":[1,10,56,137,1301,8453,42161,43114,81457,7777777,666666666]},"example":8453},{"name":"tokenAddress","in":"query","required":true,"description":"Token contract address.","schema":{"type":"string","pattern":"^(?!\\.{1,2}$).+$","description":"Token contract address."},"example":"0x37f0c2915CeCC7e977183B8543Fc0864d03E064C"}],"responses":{"200":{"description":"Successful response. Successful responses are wrapped as `{ data, meta?, h402 }`; `data` is the provider-native response, `meta` is reserved optional envelope metadata, and `h402.followUp` contains pinned async polling paths when applicable.","content":{"application/json":{"schema":{"type":"object","additionalProperties":false,"required":["data","h402"],"properties":{"data":{},"meta":{},"h402":{"type":"object","additionalProperties":true,"required":["routeId","provider","selectedCandidateId","routing","paidBy"],"properties":{"routeId":{"type":"string"},"provider":{"type":"string"},"selectedCandidateId":{"type":"string"},"routing":{"type":"string","enum":["manual"]},"paidBy":{"type":"string"},"followUp":{"type":"object","additionalProperties":true,"properties":{"routeId":{"type":"string"},"method":{"type":"string"},"path":{"type":"string","description":"Provider-pinned polling path returned by the live response."}}}}}}},"example":{"data":{"chainId":8453,"contractAddress":"0x37f0c2915cecc7e977183b8543fc0864d03e064c","logo":"https://raw.githubusercontent.com/SmolDapp/tokenAssets/refs/heads/main/tokens/8453/0x37f0c2915cecc7e977183b8543fc0864d03e064c/logo-128.png","source":"SmolDapp","updatedAt":"2026-07-19T03:18:03.980Z","cached":true},"h402":{"routeId":"crypto/token-logo","provider":"hunt-town","selectedCandidateId":"crypto/token-logo/hunt-town","routing":"manual","paidBy":"x402-exact"}}}}},"402":{"description":"Payment required. Paid routes first return an x402 challenge; pay in Base USDC and retry with the payment header. See /llms.txt."}},"x-h402":{"price":{"type":"fixed","currency":"USD","includesH402Fee":true,"h402FeeBps":500,"amountUsd":0.00105,"providerAmountUsd":0.001,"h402FeeUsd":0.00005},"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}],"payment":{"scheme":"exact","network":"base","caip2":"eip155:8453","token":"USDC","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","payTo":"0x1677383A7Bec2cf618FC98aeF68b757BcFc37F27"},"upstreamPayment":{"protocols":[],"paymentNetworks":[]},"method":"GET","endpoint":"https://h402.hunt.town/routes/hunt-town/crypto/token-logo"}}},"/routes/coingecko/crypto/price":{"get":{"operationId":"price__coingecko","summary":"Token prices","description":"Spot prices for coins by symbol, name, or market-data ID. 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Paid routes first return an x402 challenge; pay in Base USDC and retry with the payment header. See /llms.txt."}},"x-h402":{"price":{"type":"fixed","currency":"USD","includesH402Fee":true,"h402FeeBps":500,"amountUsd":0.0105,"providerAmountUsd":0.01,"h402FeeUsd":0.0005},"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}],"payment":{"scheme":"exact","network":"base","caip2":"eip155:8453","token":"USDC","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","payTo":"0x1677383A7Bec2cf618FC98aeF68b757BcFc37F27"},"upstreamPayment":{"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}]},"method":"GET","endpoint":"https://h402.hunt.town/routes/coingecko/crypto/price"}}},"/routes/coinmarketcap-x402/crypto/price":{"get":{"operationId":"price__coinmarketcap-x402","summary":"Token prices","description":"Spot prices for coins by symbol, name, or market-data ID. Provide at least one of: id, slug, symbol. 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Paid routes first return an x402 challenge; pay in Base USDC and retry with the payment header. See /llms.txt."}},"x-h402":{"price":{"type":"fixed","currency":"USD","includesH402Fee":true,"h402FeeBps":500,"amountUsd":0.0042,"providerAmountUsd":0.004,"h402FeeUsd":0.0002},"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}],"payment":{"scheme":"exact","network":"base","caip2":"eip155:8453","token":"USDC","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","payTo":"0x1677383A7Bec2cf618FC98aeF68b757BcFc37F27"},"upstreamPayment":{"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}]},"method":"POST","endpoint":"https://h402.hunt.town/routes/blockrun-tatum/crypto/rpc"}}},"/routes/quicknode/crypto/rpc":{"post":{"operationId":"rpc__quicknode","summary":"Multi-chain JSON-RPC","description":"Send a standard JSON-RPC call to 130+ chains (Ethereum, Base, Solana, Polygon, Arbitrum, Optimism and more) through one paid endpoint.","tags":["crypto"],"requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","properties":{"network":{"type":"string","minLength":1,"description":"QuickNode network slug used in the request path.","examples":["ethereum-mainnet","base-mainnet","solana-mainnet","matic-mainnet","arbitrum-mainnet","optimism-mainnet"]},"jsonrpc":{"type":"string","description":"JSON-RPC protocol version.","const":"2.0"},"method":{"type":"string","minLength":1,"description":"Chain RPC method.","examples":["eth_blockNumber","eth_call","eth_getBalance"]},"params":{"type":"array","description":"Method-specific positional params."},"id":{"type":"integer","description":"Caller-chosen JSON-RPC request id.","examples":[1]}},"required":["network","jsonrpc","method","id"],"additionalProperties":false},"example":{"network":"base-mainnet","jsonrpc":"2.0","method":"eth_blockNumber","params":[],"id":1}}}},"responses":{"200":{"description":"Successful response. Successful responses are wrapped as `{ data, meta?, h402 }`; `data` is the provider-native response, `meta` is reserved optional envelope metadata, and `h402.followUp` contains pinned async polling paths when applicable.","content":{"application/json":{"schema":{"type":"object","additionalProperties":false,"required":["data","h402"],"properties":{"data":{},"meta":{},"h402":{"type":"object","additionalProperties":true,"required":["routeId","provider","selectedCandidateId","routing","paidBy"],"properties":{"routeId":{"type":"string"},"provider":{"type":"string"},"selectedCandidateId":{"type":"string"},"routing":{"type":"string","enum":["manual"]},"paidBy":{"type":"string"},"followUp":{"type":"object","additionalProperties":true,"properties":{"routeId":{"type":"string"},"method":{"type":"string"},"path":{"type":"string","description":"Provider-pinned polling path returned by the live response."}}}}}}},"example":{"data":{"jsonrpc":"2.0","id":1,"result":"0x2eb3fc7"},"h402":{"routeId":"crypto/rpc","provider":"quicknode","selectedCandidateId":"crypto/rpc/quicknode","routing":"manual","paidBy":"x402-exact"}}}}},"402":{"description":"Payment required. Paid routes first return an x402 challenge; pay in Base USDC and retry with the payment header. See /llms.txt."}},"x-h402":{"price":{"type":"fixed","currency":"USD","includesH402Fee":true,"h402FeeBps":500,"amountUsd":0.00105,"providerAmountUsd":0.001,"h402FeeUsd":0.00005},"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}],"payment":{"scheme":"exact","network":"base","caip2":"eip155:8453","token":"USDC","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","payTo":"0x1677383A7Bec2cf618FC98aeF68b757BcFc37F27"},"upstreamPayment":{"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}]},"method":"POST","endpoint":"https://h402.hunt.town/routes/quicknode/crypto/rpc"}}},"/routes/onchainexpat/crypto/gas-prices":{"post":{"operationId":"gas-prices__onchainexpat","summary":"EVM gas price oracle","description":"Return provider-native EVM gas pricing for a chain.","tags":["crypto"],"requestBody":{"required":false,"content":{"application/json":{"schema":{"type":"object","properties":{"chain":{"type":"string","description":"EVM chain such as ethereum, base, arbitrum, polygon, or optimism.","examples":["ethereum","base","arbitrum","polygon","optimism"]}},"additionalProperties":false},"example":{"chain":"base"}}}},"responses":{"200":{"description":"Successful response. 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Paid routes first return an x402 challenge; pay in Base USDC and retry with the payment header. See /llms.txt."}},"x-h402":{"price":{"type":"fixed","currency":"USD","includesH402Fee":true,"h402FeeBps":500,"amountUsd":0.0105,"providerAmountUsd":0.01,"h402FeeUsd":0.0005},"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}],"payment":{"scheme":"exact","network":"base","caip2":"eip155:8453","token":"USDC","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","payTo":"0x1677383A7Bec2cf618FC98aeF68b757BcFc37F27"},"upstreamPayment":{"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}]},"method":"POST","endpoint":"https://h402.hunt.town/routes/onchainexpat/crypto/gas-prices"}}},"/routes/2sio/crypto/gas-prices":{"post":{"operationId":"gas-prices__2sio","summary":"EVM gas price oracle","description":"Return provider-native EVM gas pricing for a chain.","tags":["crypto"],"requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","properties":{"chain":{"type":"string","description":"EVM chain supported by the 2s.io gas oracle.","enum":["base","ethereum","polygon","arbitrum","optimism"],"examples":["ethereum","base","arbitrum","polygon","optimism"]}},"required":["chain"],"additionalProperties":false},"example":{"chain":"base"}}}},"responses":{"200":{"description":"Successful response. Successful responses are wrapped as `{ data, meta?, h402 }`; `data` is the provider-native response, `meta` is reserved optional envelope metadata, and `h402.followUp` contains pinned async polling paths when applicable.","content":{"application/json":{"schema":{"type":"object","additionalProperties":false,"required":["data","h402"],"properties":{"data":{},"meta":{},"h402":{"type":"object","additionalProperties":true,"required":["routeId","provider","selectedCandidateId","routing","paidBy"],"properties":{"routeId":{"type":"string"},"provider":{"type":"string"},"selectedCandidateId":{"type":"string"},"routing":{"type":"string","enum":["manual"]},"paidBy":{"type":"string"},"followUp":{"type":"object","additionalProperties":true,"properties":{"routeId":{"type":"string"},"method":{"type":"string"},"path":{"type":"string","description":"Provider-pinned polling path returned by the live response."}}}}}}},"example":{"data":{"data":{"ok":true,"items":[{"chain":{"key":"base","name":"Base","chainId":8453,"nativeSymbol":"ETH"},"block":{"number":48971725,"baseFeePerGasWei":"5000000","baseFeePerGasGwei":0.005,"timestamp":1784732797000},"tiers":{"slow":{"priorityFeePerGasGwei":0.0008,"maxFeePerGasGwei":0.0058,"priorityFeePerGasWei":"812500","maxFeePerGasWei":"5812500","transferNativeCost":1.2e-7},"standard":{"priorityFeePerGasGwei":0.0014,"maxFeePerGasGwei":0.0064,"priorityFeePerGasWei":"1433437","maxFeePerGasWei":"6433437","transferNativeCost":1.3e-7},"fast":{"priorityFeePerGasGwei":0.0061,"maxFeePerGasGwei":0.0111,"priorityFeePerGasWei":"6117072","maxFeePerGasWei":"11117072","transferNativeCost":2.3e-7}},"source":{"provider":"public-evm-rpc","rpcEndpoint":"https://base-rpc.publicnode.com","method":"eth_getBlockByNumber + eth_feeHistory","license":"public RPC; no terms beyond fair-use rate limits"}}],"total":1,"source":{"provider":"EVM JSON-RPC (eth_feeHistory)","url":"https://2s.io","license":"No upstream license — computed by 2s.io from public RPC"}},"meta":{"endpoint":"crypto.gas-oracle","version":null,"caller":"x402","cost":{"usd":0.001},"settlement":{"txHash":"0x7764310621a7f899c935168e5ea6cda422ef24401cf00030f35a1f9e35f73cf3","network":"eip155:8453","success":true}}},"h402":{"routeId":"crypto/gas-prices","provider":"2sio","selectedCandidateId":"crypto/gas-prices/2sio","routing":"manual","paidBy":"x402-exact"}}}}},"402":{"description":"Payment required. Paid routes first return an x402 challenge; pay in Base USDC and retry with the payment header. See /llms.txt."}},"x-h402":{"price":{"type":"fixed","currency":"USD","includesH402Fee":true,"h402FeeBps":500,"amountUsd":0.002625,"providerAmountUsd":0.0025,"h402FeeUsd":0.000125},"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}],"payment":{"scheme":"exact","network":"base","caip2":"eip155:8453","token":"USDC","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","payTo":"0x1677383A7Bec2cf618FC98aeF68b757BcFc37F27"},"upstreamPayment":{"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}]},"method":"POST","endpoint":"https://h402.hunt.town/routes/2sio/crypto/gas-prices"}}},"/routes/nansen/crypto/wallet-balances":{"post":{"operationId":"wallet-balances__nansen","summary":"Wallet balances","description":"Get current token balances for wallet addresses or provider-supported entities on supported chains.","tags":["crypto"],"requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","properties":{"address":{"type":"string","description":"Wallet address to get balances for. 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Successful responses are wrapped as `{ data, meta?, h402 }`; `data` is the provider-native response, `meta` is reserved optional envelope metadata, and `h402.followUp` contains pinned async polling paths when applicable.","content":{"application/json":{"schema":{"type":"object","additionalProperties":false,"required":["data","h402"],"properties":{"data":{},"meta":{},"h402":{"type":"object","additionalProperties":true,"required":["routeId","provider","selectedCandidateId","routing","paidBy"],"properties":{"routeId":{"type":"string"},"provider":{"type":"string"},"selectedCandidateId":{"type":"string"},"routing":{"type":"string","enum":["manual"]},"paidBy":{"type":"string"},"followUp":{"type":"object","additionalProperties":true,"properties":{"routeId":{"type":"string"},"method":{"type":"string"},"path":{"type":"string","description":"Provider-pinned polling path returned by the live response."}}}}}}},"example":{"data":{"pagination":{"page":1,"per_page":10,"is_last_page":false},"data":[{"chain":"ethereum","address":"0x28c6c06298d514db089934071355e5743bf21d60","token_address":"0xdac17f958d2ee523a2206206994597c13d831ec7","token_symbol":"USDT","token_name":"Tether USD","token_amount":1100899630.278704,"price_usd":0.999347638393978,"value_usd":1100181445.6278265},{"chain":"ethereum","address":"0x28c6c06298d514db089934071355e5743bf21d60","token_address":"0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee","token_symbol":"ETH","token_name":"Ethereum","token_amount":210158.4062243252,"price_usd":1929.984030974054,"value_usd":405602367.98790586},{"chain":"ethereum","address":"0x28c6c06298d514db089934071355e5743bf21d60","token_address":"0xa2e3356610840701bdf5611a53974510ae27e2e1","token_symbol":"WBETH","token_name":"Wrapped Binance Beacon ETH","token_amount":40177.529978592094,"price_usd":2124.2453283891496,"value_usd":85346930.36323926}]},"h402":{"routeId":"crypto/wallet-balances","provider":"nansen","selectedCandidateId":"crypto/wallet-balances/nansen","routing":"manual","paidBy":"x402-exact"}}}}},"402":{"description":"Payment required. Paid routes first return an x402 challenge; pay in Base USDC and retry with the payment header. See /llms.txt."}},"x-h402":{"price":{"type":"fixed","currency":"USD","includesH402Fee":true,"h402FeeBps":500,"amountUsd":0.0105,"providerAmountUsd":0.01,"h402FeeUsd":0.0005},"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}],"payment":{"scheme":"exact","network":"base","caip2":"eip155:8453","token":"USDC","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","payTo":"0x1677383A7Bec2cf618FC98aeF68b757BcFc37F27"},"upstreamPayment":{"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}]},"method":"POST","endpoint":"https://h402.hunt.town/routes/nansen/crypto/wallet-balances"}}},"/routes/allium/crypto/wallet-balances":{"post":{"operationId":"wallet-balances__allium","summary":"Wallet balances","description":"Get current token balances for wallet addresses or provider-supported entities on supported chains.","tags":["crypto"],"requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","properties":{"address":{"type":"string","minLength":1,"description":"Allium wallet address."},"chain":{"type":"string","minLength":1,"description":"Allium chain slug.","examples":["ethereum","base","arbitrum","bsc"]},"with_liquidity_info":{"type":"boolean","default":false,"description":"Include total_liquidity_usd in token details."}},"required":["address","chain"],"additionalProperties":false},"example":{"address":"0x28c6c06298d514db089934071355e5743bf21d60","chain":"ethereum"}}}},"responses":{"200":{"description":"Successful response. Successful responses are wrapped as `{ data, meta?, h402 }`; `data` is the provider-native response, `meta` is reserved optional envelope metadata, and `h402.followUp` contains pinned async polling paths when applicable.","content":{"application/json":{"schema":{"type":"object","additionalProperties":false,"required":["data","h402"],"properties":{"data":{},"meta":{},"h402":{"type":"object","additionalProperties":true,"required":["routeId","provider","selectedCandidateId","routing","paidBy"],"properties":{"routeId":{"type":"string"},"provider":{"type":"string"},"selectedCandidateId":{"type":"string"},"routing":{"type":"string","enum":["manual"]},"paidBy":{"type":"string"},"followUp":{"type":"object","additionalProperties":true,"properties":{"routeId":{"type":"string"},"method":{"type":"string"},"path":{"type":"string","description":"Provider-pinned polling path returned by the live response."}}}}}}},"example":{"data":{"items":[{"chain":"ethereum","address":"0x28c6c06298d514db089934071355e5743bf21d60","token":{"object":"token","chain":"ethereum","address":"0x0000000000000000000000000000000000000000","type":"native","price":1936.243234624656,"decimals":18,"info":{"name":"Ether","symbol":"ETH"},"attributes":{}},"raw_balance":2.1004924803549737e+23,"raw_balance_str":"210049248035497345319300","block_timestamp":"2026-07-22T15:06:35Z","block_number":25589054,"block_hash":"0x37a2a5c26b0387b93c15300f05571d11a3a4045887900629143d418a9e41a1ad"},{"chain":"ethereum","address":"0x28c6c06298d514db089934071355e5743bf21d60","token":{"object":"token","chain":"ethereum","address":"0xdac17f958d2ee523a2206206994597c13d831ec7","type":"evm_erc20","price":0.9984557632025416,"decimals":6,"info":{"name":"Tether USD","symbol":"USDT"},"attributes":{}},"raw_balance":1108689135773116,"raw_balance_str":"1108689135773116","block_timestamp":"2026-07-22T15:06:35Z","block_number":25589054,"block_hash":"0x37a2a5c26b0387b93c15300f05571d11a3a4045887900629143d418a9e41a1ad"},{"chain":"ethereum","address":"0x28c6c06298d514db089934071355e5743bf21d60","token":{"object":"token","chain":"ethereum","address":"0xa12cc123ba206d4031d1c7f6223d1c2ec249f4f3","type":"evm_erc20","price":0.04159539298011134,"decimals":18,"info":{"name":"Zama","symbol":"ZAMA"},"attributes":{}},"raw_balance":3.627940135090008e+25,"raw_balance_str":"36279401350900077795360474","block_timestamp":"2026-07-22T15:06:11Z","block_number":25589052,"block_hash":"0x0eca565086f59afad34da8121081848dfac654b18ca2cf8a768377ddd187d9a3"}],"cursor":null},"h402":{"routeId":"crypto/wallet-balances","provider":"allium","selectedCandidateId":"crypto/wallet-balances/allium","routing":"manual","paidBy":"x402-exact"}}}}},"402":{"description":"Payment required. Paid routes first return an x402 challenge; pay in Base USDC and retry with the payment header. See /llms.txt."}},"x-h402":{"price":{"type":"fixed","currency":"USD","includesH402Fee":true,"h402FeeBps":500,"amountUsd":0.0105,"providerAmountUsd":0.01,"h402FeeUsd":0.0005},"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}],"payment":{"scheme":"exact","network":"base","caip2":"eip155:8453","token":"USDC","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","payTo":"0x1677383A7Bec2cf618FC98aeF68b757BcFc37F27"},"upstreamPayment":{"protocols":["x402","mpp"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"},{"chain":"tempo","token":"USDC"}]},"method":"POST","endpoint":"https://h402.hunt.town/routes/allium/crypto/wallet-balances"}}},"/routes/nansen/crypto/wallet-balance-history":{"post":{"operationId":"wallet-balance-history__nansen","summary":"Wallet balance history","description":"Get historical token balance snapshots for wallet addresses or provider-supported entities over a date range.","tags":["crypto"],"requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","properties":{"address":{"type":"string","description":"Wallet address to get historical balances for. Provide either walletAddress or entityName.","examples":["0x28c6c06298d514db089934071355e5743bf21d60","8zFZHuSRuDpuAR7J6FzwyF3vKNx4CVW3DFHJerQhc7Zd"]},"entity_name":{"type":"string","description":"Optional Nansen entity name to look up instead of a wallet address (Nansen-only; pin the nansen candidate to use it on the aggregated route).","examples":["Vitalik Buterin","Binance"]},"chain":{"type":"string","enum":["all","arbitrum","avalanche","base","bitcoin","bnb","ethereum","hyperevm","injective","iotaevm","linea","mantle","mantra","monad","near","optimism","plasma","polygon","ronin","scroll","sei","solana","sonic","starknet","sui","ton","tron"],"description":"Nansen chain slug for the historical balances. Use 'all' to span every supported chain."},"date":{"type":"object","description":"ISO 8601 date-time range for the historical snapshots, with from and to fields.","properties":{"from":{"type":"string","format":"date-time","description":"Inclusive range start.","examples":["2026-05-15T00:00:00Z"]},"to":{"type":"string","format":"date-time","description":"Inclusive range end.","examples":["2026-05-21T23:59:59Z"]}},"required":["from","to"],"additionalProperties":false},"pagination":{"type":"object","description":"Optional pagination, e.g. { \"page\": 1, \"perPage\": 10 }.","properties":{"page":{"type":"integer","minimum":1,"description":"1-based page number."},"per_page":{"type":"integer","minimum":1,"maximum":1000,"description":"Results per page (max 1000)."}},"additionalProperties":false}},"required":["chain","date"],"additionalProperties":false,"anyOf":[{"required":["address"]},{"required":["entity_name"]}]},"example":{"address":"0x28c6c06298d514db089934071355e5743bf21d60","chain":"ethereum","date":{"from":"2026-05-15T00:00:00Z","to":"2026-05-21T23:59:59Z"}}}}},"responses":{"200":{"description":"Successful response. 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Paid routes first return an x402 challenge; pay in Base USDC and retry with the payment header. 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Paid routes first return an x402 challenge; pay in Base USDC and retry with the payment header. See /llms.txt."}},"x-h402":{"price":{"type":"fixed","currency":"USD","includesH402Fee":true,"h402FeeBps":500,"amountUsd":0.0525,"providerAmountUsd":0.05,"h402FeeUsd":0.0025},"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}],"payment":{"scheme":"exact","network":"base","caip2":"eip155:8453","token":"USDC","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","payTo":"0x1677383A7Bec2cf618FC98aeF68b757BcFc37F27"},"upstreamPayment":{"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}]},"method":"POST","endpoint":"https://h402.hunt.town/routes/nansen/crypto/smart-money-flows"}}},"/routes/nansen/crypto/token-flow-intelligence":{"post":{"operationId":"token-flow-intelligence__nansen","summary":"Token flow intelligence","description":"Get net flow intelligence for a token by cohort (whales, smart traders, public figures, exchanges, fresh wallets).","tags":["crypto"],"requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","properties":{"chain":{"type":"string","enum":["arbitrum","avalanche","base","bnb","ethereum","hyperevm","injective","linea","mantle","mantra","monad","near","optimism","plasma","polygon","ronin","scroll","sei","solana","sonic","starknet","sui","ton","tron"],"description":"Nansen chain slug for the token."},"token_address":{"type":"string","description":"Token contract address (chain-native for non-EVM chains).","examples":["0x6982508145454ce325ddbe47a25d4ec3d2311933"]},"timeframe":{"type":"string","enum":["5m","1h","6h","12h","1d","7d"],"description":"Time window for the flow intelligence data."}},"required":["chain","token_address"],"additionalProperties":false},"example":{"chain":"ethereum","token_address":"0x6982508145454ce325ddbe47a25d4ec3d2311933","timeframe":"1d"}}}},"responses":{"200":{"description":"Successful response. 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Paid routes first return an x402 challenge; pay in Base USDC and retry with the payment header. See /llms.txt."}},"x-h402":{"price":{"type":"fixed","currency":"USD","includesH402Fee":true,"h402FeeBps":500,"amountUsd":0.0105,"providerAmountUsd":0.01,"h402FeeUsd":0.0005},"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}],"payment":{"scheme":"exact","network":"base","caip2":"eip155:8453","token":"USDC","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","payTo":"0x1677383A7Bec2cf618FC98aeF68b757BcFc37F27"},"upstreamPayment":{"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}]},"method":"POST","endpoint":"https://h402.hunt.town/routes/nansen/crypto/token-flow-intelligence"}}},"/routes/nansen/crypto/token-flows":{"post":{"operationId":"token-flows__nansen","summary":"Token flows","description":"Get token inflow/outflow time series across DEX and CEX venues over a date range, optionally filtered by label.","tags":["crypto"],"requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","properties":{"chain":{"type":"string","enum":["arbitrum","avalanche","base","bnb","ethereum","hyperevm","hyperliquid","injective","iotaevm","linea","mantle","mantra","monad","near","optimism","plasma","polygon","ronin","scroll","sei","solana","sonic","starknet","sui","ton","tron"],"description":"Nansen chain slug for the token."},"token_address":{"type":"string","description":"Token contract address (chain-native for non-EVM chains).","examples":["2zMMhcVQEXDtdE6vsFS7S7D5oUodfJHE8vd1gnBouauv"]},"date":{"type":"object","description":"ISO 8601 date-time range for the flows, with from and to fields.","properties":{"from":{"type":"string","format":"date-time","description":"Inclusive range start.","examples":["2026-05-15T00:00:00Z"]},"to":{"type":"string","format":"date-time","description":"Inclusive range end.","examples":["2026-05-21T23:59:59Z"]}},"required":["from","to"],"additionalProperties":false},"label":{"type":"string","enum":["whale","public_figure","smart_money","top_100_holders","exchange"],"description":"Optional cohort label to filter the flows by."},"pagination":{"type":"object","description":"Optional pagination, e.g. { \"page\": 1, \"perPage\": 10 }.","properties":{"page":{"type":"integer","minimum":1,"description":"1-based page number."},"per_page":{"type":"integer","minimum":1,"maximum":1000,"description":"Results per page (max 1000)."}},"additionalProperties":false}},"required":["chain","token_address","date"],"additionalProperties":false},"example":{"chain":"ethereum","token_address":"0x6982508145454ce325ddbe47a25d4ec3d2311933","date":{"from":"2026-05-15T00:00:00Z","to":"2026-05-21T23:59:59Z"},"label":"smart_money","pagination":{"page":1,"per_page":10}}}}},"responses":{"200":{"description":"Successful response. 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See /llms.txt."}},"x-h402":{"price":{"type":"fixed","currency":"USD","includesH402Fee":true,"h402FeeBps":500,"amountUsd":0.0105,"providerAmountUsd":0.01,"h402FeeUsd":0.0005},"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}],"payment":{"scheme":"exact","network":"base","caip2":"eip155:8453","token":"USDC","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","payTo":"0x1677383A7Bec2cf618FC98aeF68b757BcFc37F27"},"upstreamPayment":{"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}]},"method":"POST","endpoint":"https://h402.hunt.town/routes/nansen/crypto/token-flows"}}},"/routes/allium/crypto/token-price-stats":{"post":{"operationId":"token-price-stats__allium","summary":"Token price stats","description":"24h and 1h price high/low and percentage-change statistics for a token.","tags":["crypto"],"requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","properties":{"token_address":{"type":"string","minLength":1,"description":"Allium token contract address."},"chain":{"type":"string","minLength":1,"description":"Allium chain slug.","examples":["ethereum","base","arbitrum","bsc"]}},"required":["token_address","chain"],"additionalProperties":false},"example":{"token_address":"0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2","chain":"ethereum"}}}},"responses":{"200":{"description":"Successful response. 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Paid routes first return an x402 challenge; pay in Base USDC and retry with the payment header. See /llms.txt."}},"x-h402":{"price":{"type":"fixed","currency":"USD","includesH402Fee":true,"h402FeeBps":500,"amountUsd":0.021,"providerAmountUsd":0.02,"h402FeeUsd":0.001},"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}],"payment":{"scheme":"exact","network":"base","caip2":"eip155:8453","token":"USDC","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","payTo":"0x1677383A7Bec2cf618FC98aeF68b757BcFc37F27"},"upstreamPayment":{"protocols":["x402","mpp"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"},{"chain":"tempo","token":"USDC"}]},"method":"POST","endpoint":"https://h402.hunt.town/routes/allium/crypto/token-price-stats"}}},"/routes/allium/crypto/token-info":{"post":{"operationId":"token-info__allium","summary":"Token info","description":"Token metadata and market attributes — name, symbol, decimals, type, price, and supply — by contract address.","tags":["crypto"],"requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","properties":{"token_address":{"type":"string","minLength":1,"description":"Allium token contract address."},"chain":{"type":"string","minLength":1,"description":"Allium chain slug.","examples":["ethereum","base","arbitrum","bsc"]}},"required":["token_address","chain"],"additionalProperties":false},"example":{"token_address":"0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2","chain":"ethereum"}}}},"responses":{"200":{"description":"Successful response. 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Paid routes first return an x402 challenge; pay in Base USDC and retry with the payment header. See /llms.txt."}},"x-h402":{"price":{"type":"fixed","currency":"USD","includesH402Fee":true,"h402FeeBps":500,"amountUsd":0.021,"providerAmountUsd":0.02,"h402FeeUsd":0.001},"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}],"payment":{"scheme":"exact","network":"base","caip2":"eip155:8453","token":"USDC","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","payTo":"0x1677383A7Bec2cf618FC98aeF68b757BcFc37F27"},"upstreamPayment":{"protocols":["x402","mpp"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"},{"chain":"tempo","token":"USDC"}]},"method":"POST","endpoint":"https://h402.hunt.town/routes/allium/crypto/token-info"}}},"/routes/allium/crypto/token-search":{"get":{"operationId":"token-search__allium","summary":"Token search","description":"Search tokens by name or symbol across chains, ranked by volume, trade count, or valuation.","tags":["crypto"],"parameters":[{"name":"q","in":"query","required":true,"description":"Case-insensitive substring matched against token name and symbol.","schema":{"type":"string","description":"Case-insensitive substring matched against token name and symbol.","examples":["usdc","wrapped ether"]},"example":"USDC"},{"name":"chain","in":"query","required":false,"description":"Restrict to one lowercase chain name; omit to search across all chains. 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The agent reads the payment instructions, signs a stablecoin transaction, attaches the proof, and retries the request. The server verifies the payment and returns the data.","This guide covers what x402 is, how it works at the protocol level, which blockchains and stablecoins it supports, who is building with it, and how it fits alongside related standards like Google's Agent2Agent (A2A) and Agent Payments Protocol (AP2)."]},{"url":"https://members.delphidigital.io/feed/agent-to-agent-payments-protocol-report","title":"x402, Agent to Agent Payments Protocol Summary | Delphi Digital","description":"Their shared insight is that payment can be treated as a standard HTTP concern, enabling the next generation of autonomous, metered, accurate commerce over the public Internet. x402 is the original, minimal schema put out by Coinbase a couple months ago. h402 is a newer superset built by BitGPT that keeps the x402 format but add a richer, five-stage lifecycle and works with more blockchains. When a user (or agent...","thumbnail_url":"https://members.delphidigital.io/images/report_v2_cover_pro.jpg","original_thumbnail_url":"https://members.delphidigital.io/images/report_v2_cover_pro.jpg","page_age":"2025-05-06T20:07:09","favicon_url":"https://you.com/favicon?domain=members.delphidigital.io&size=128","snippets":["Their shared insight is that payment can be treated as a standard HTTP concern, enabling the next generation of autonomous, metered, accurate commerce over the public Internet. x402 is the original, minimal schema put out by Coinbase a couple months ago. h402 is a newer superset built by BitGPT that keeps the x402 format but add a richer, five-stage lifecycle and works with more blockchains. When a user (or agent) requests a monetized online resource, the server, instead of immediately granting access or showing a typical paywall, can reply with this 402 code.","This response includes a JSON descriptor detailing the acceptable cryptocurrencies (including stables), the required amount, and the blockchain network where the payment can be settled. This is particularly useful for AI agents as they can handle all this in just a few hundred milliseconds without relying on API keys, credit cards, or separate billing flows. x402 is the original, minimal schema. h402 is a newer superset built by BitGPT that keeps the x402 wire format but adds a richer five-stage lifecycle and multi-network settlement.","Quick Summary May 2025 x402 (Coinbase) and h402 (BitGPT) are new payment protocols that work by implementing the long-ignored HTTP 402PaymentRequired status code. Their shared insight is that payment can be treated as a standard HTTP concern, enabl"]}]},"metadata":{"query":"h402 agent payments","search_uuid":"34308e61-80e4-4236-8cbb-4fc30ea469e8","latency":0.5877184867858887}},"h402":{"routeId":"web/search","provider":"you","selectedCandidateId":"web/search/you","routing":"manual","paidBy":"x402-exact"}}}}},"402":{"description":"Payment required. Paid routes first return an x402 challenge; pay in Base USDC and retry with the payment header. See /llms.txt."}},"x-h402":{"price":{"type":"fixed","currency":"USD","includesH402Fee":true,"h402FeeBps":500,"amountUsd":0.00525,"providerAmountUsd":0.005,"h402FeeUsd":0.00025},"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}],"payment":{"scheme":"exact","network":"base","caip2":"eip155:8453","token":"USDC","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","payTo":"0x1677383A7Bec2cf618FC98aeF68b757BcFc37F27"},"upstreamPayment":{"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}]},"method":"POST","endpoint":"https://h402.hunt.town/routes/you/web/search"}}},"/routes/locus-brave/web/search":{"post":{"operationId":"search__locus-brave","summary":"Web search","description":"Search the web with the selected provider and return its native result fields.","tags":["web"],"requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","properties":{"q":{"type":"string","minLength":1,"maxLength":1000,"description":"Search query."},"count":{"type":"number","description":"Number of results per page, 1-20 (Brave count).","minimum":1,"maximum":20,"default":20},"offset":{"type":"number","description":"0-based pagination offset, max 9 (Brave offset).","minimum":0,"maximum":9},"country":{"type":"string","description":"Optional 2-letter country code (Brave country, e.g. US, GB, DE, KR; `ALL` for no filter).","examples":["US","GB","DE","KR"]},"search_lang":{"type":"string","description":"Optional ISO 639-1 search language (Brave search_lang, e.g. en, de, ja, ko).","examples":["en","de","ja","ko"]},"freshness":{"type":"string","description":"Optional freshness filter: pd (24h), pw (7d), pm (31d), py (year), or a YYYY-MM-DDtoYYYY-MM-DD range.","examples":["pd","pw","pm","py"]},"safesearch":{"type":"string","description":"Safe search mode.","enum":["off","moderate","strict"],"default":"moderate"},"result_filter":{"type":"string","description":"Optional comma-separated result types (Brave result_filter): web, news, videos, discussions, faq, infobox, query, locations, summarizer.","examples":["web","news","videos"]},"summary":{"type":"boolean","description":"Whether to request Brave summary content when available."}},"required":["q"],"additionalProperties":false},"example":{"q":"h402 agent payments"}}}},"responses":{"200":{"description":"Successful response. 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Because payment is embedded in the HTTP request, one agent acting as a client can pay another agent acting as a server using the same 402 flow. A research agent can pay a data agent for a dataset, or a planning agent can pay an inference agent for a model call. Each interaction settles in stablecoins per request with an on-chain record, so independently built agents can transact without shared accounts or custom integrations.","title":"x402 Protocol Explained: AI Agent Payments Standard","url":"https://www.allium.so/blog/x402-explained-the-internet-native-payments-standard-for-apis-data-and-agent-commerce/","meta_url":{"scheme":"https","netloc":"allium.so","hostname":"www.allium.so","favicon":"https://imgs.search.brave.com/BYzwc40JM7-VdE5u8A-AEOO70IwhohHnlrEBAs2Oyes/rs:fit:32:32:1:0/g:ce/aHR0cDovL2Zhdmlj/b25zLnNlYXJjaC5i/cmF2ZS5jb20vaWNv/bnMvZTlhOWFhMjkw/NGI1M2Y4ODk0M2Zh/MGJiYzMwZWZhZTk2/ZWY0MjQ1MWI3NWM3/NTM0YzZjZjgyZGIw/ZWI1NjVlNi93d3cu/YWxsaXVtLnNvLw","path":"› blog › x402-explained-the-internet-native-payments-standard-for-apis-data-and-agent-commerce"}},{"question":"How does x402 work for AI agent payments?","answer":"When an agent requests a paid resource, the server responds with HTTP 402 and structured payment details: amount, stablecoin, destination address, chain, and an optional facilitator endpoint. The agent signs a payment authorization without exposing its private keys, a facilitator broadcasts and confirms the onchain settlement, and the agent retries the request with proof of payment. The server verifies it and returns the resource. The whole loop runs without any human in the middle.","title":"x402 Protocol Explained: AI Agent Payments Standard","url":"https://www.allium.so/blog/x402-explained-the-internet-native-payments-standard-for-apis-data-and-agent-commerce/","meta_url":{"scheme":"https","netloc":"allium.so","hostname":"www.allium.so","favicon":"https://imgs.search.brave.com/BYzwc40JM7-VdE5u8A-AEOO70IwhohHnlrEBAs2Oyes/rs:fit:32:32:1:0/g:ce/aHR0cDovL2Zhdmlj/b25zLnNlYXJjaC5i/cmF2ZS5jb20vaWNv/bnMvZTlhOWFhMjkw/NGI1M2Y4ODk0M2Zh/MGJiYzMwZWZhZTk2/ZWY0MjQ1MWI3NWM3/NTM0YzZjZjgyZGIw/ZWI1NjVlNi93d3cu/YWxsaXVtLnNvLw","path":"› blog › x402-explained-the-internet-native-payments-standard-for-apis-data-and-agent-commerce"}},{"question":"What does \"no successful x402 payment orders found for this agent\" mean?","answer":"It means the agent has not completed a verified onchain payment. An x402 order is only marked successful once a facilitator confirms settlement and the server verifies the proof of payment. Common causes are an underfunded wallet, a signed authorization that never settled on-chain, querying with the wrong wallet address, or paying on a different chain than the one the agent funded. Because every payment settles on-chain, you can trace the wallet and chain to confirm whether an authorization ever reached settlement.","title":"x402 Protocol Explained: AI Agent Payments Standard","url":"https://www.allium.so/blog/x402-explained-the-internet-native-payments-standard-for-apis-data-and-agent-commerce/","meta_url":{"scheme":"https","netloc":"allium.so","hostname":"www.allium.so","favicon":"https://imgs.search.brave.com/BYzwc40JM7-VdE5u8A-AEOO70IwhohHnlrEBAs2Oyes/rs:fit:32:32:1:0/g:ce/aHR0cDovL2Zhdmlj/b25zLnNlYXJjaC5i/cmF2ZS5jb20vaWNv/bnMvZTlhOWFhMjkw/NGI1M2Y4ODk0M2Zh/MGJiYzMwZWZhZTk2/ZWY0MjQ1MWI3NWM3/NTM0YzZjZjgyZGIw/ZWI1NjVlNi93d3cu/YWxsaXVtLnNvLw","path":"› blog › x402-explained-the-internet-native-payments-standard-for-apis-data-and-agent-commerce"}}]},"mixed":{"type":"mixed","main":[{"type":"web","index":0,"all":false},{"type":"web","index":1,"all":false},{"type":"videos","all":true}],"top":[],"side":[]},"videos":{"type":"videos","results":[{"type":"video_result","url":"https://www.youtube.com/watch?v=h75LRiymYX8","title":"Build Custom x402 Agents in 5 Minutes | Verifiable Payments on ...","description":"x402 is taking off, now see how to actually build with it.In this short tutorial by Nader Dabit, our Director of DevRel, learn how to create your own custom ...","age":"October 25, 2025","page_age":"2025-10-25T20:18:39","fetched_content_timestamp":1762447345,"video":{"duration":"07:49","creator":"EigenCloud","publisher":"YouTube"},"meta_url":{"scheme":"https","netloc":"youtube.com","hostname":"www.youtube.com","favicon":"https://imgs.search.brave.com/Wg4wjE5SHAargkzePU3eSLmWgVz84BEZk1SjSglJK_U/rs:fit:32:32:1:0/g:ce/aHR0cDovL2Zhdmlj/b25zLnNlYXJjaC5i/cmF2ZS5jb20vaWNv/bnMvOTkyZTZiMWU3/YzU3Nzc5YjExYzUy/N2VhZTIxOWNlYjM5/ZGVjN2MyZDY4Nzdh/ZDYzMTYxNmI5N2Rk/Y2Q3N2FkNy93d3cu/eW91dHViZS5jb20v","path":"› watch"},"thumbnail":{"src":"https://imgs.search.brave.com/5VyIDxeLalWyPazFSIw87cbfF5V35_OWWXgPtfhr6XA/rs:fit:200:200:1:0/g:ce/aHR0cHM6Ly9pLnl0/aW1nLmNvbS92aS9o/NzVMUml5bVlYOC9t/YXhyZXNkZWZhdWx0/LmpwZw","original":"https://i.ytimg.com/vi/h75LRiymYX8/maxresdefault.jpg"}},{"type":"video_result","url":"https://www.youtube.com/watch?v=DF2MIaXSgMQ&vl=en-US","title":"Get Paid When AI Agents Use Your API using x402 - YouTube","description":"AI agents are becoming the new users of the internet — and now, they can pay to use your APIs directly.With Nexus, powered by thirdweb and the X402 protocol,...","age":"October 21, 2025","page_age":"2025-10-21T20:30:05","fetched_content_timestamp":1773728497,"video":{"duration":"05:20","creator":"thirdweb","publisher":"YouTube"},"meta_url":{"scheme":"https","netloc":"youtube.com","hostname":"www.youtube.com","favicon":"https://imgs.search.brave.com/Wg4wjE5SHAargkzePU3eSLmWgVz84BEZk1SjSglJK_U/rs:fit:32:32:1:0/g:ce/aHR0cDovL2Zhdmlj/b25zLnNlYXJjaC5i/cmF2ZS5jb20vaWNv/bnMvOTkyZTZiMWU3/YzU3Nzc5YjExYzUy/N2VhZTIxOWNlYjM5/ZGVjN2MyZDY4Nzdh/ZDYzMTYxNmI5N2Rk/Y2Q3N2FkNy93d3cu/eW91dHViZS5jb20v","path":"› watch"},"thumbnail":{"src":"https://imgs.search.brave.com/wqWSnUo_td3RN1tclXZYU_ozUjaSjYbw1WBk9u8qWY4/rs:fit:200:200:1:0/g:ce/aHR0cHM6Ly9pLnl0/aW1nLmNvbS92aS9E/RjJNSWFYU2dNUS9t/YXhyZXNkZWZhdWx0/LmpwZw","original":"https://i.ytimg.com/vi/DF2MIaXSgMQ/maxresdefault.jpg"}},{"type":"video_result","url":"https://www.youtube.com/watch?v=UQJl8jCDMlo","title":"AI Agents Can Now Pay for Things — Here's How (x402 Explained) ...","description":"In this video, I dive deep into x402, a groundbreaking web standard designed to transform how AI agents can autonomously pay for digital services. 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Developed by Coinbase and backed by the x402 Foundation, it turns any API endpoint into a paywall that machines can navigate without human intervention, credit cards, or subscription accounts.","When an AI agent requests a resource that costs money, the server replies with an HTTP 402 Payment Required response. The agent reads the payment instructions, signs a stablecoin transaction, attaches the proof, and retries the request. The server verifies the payment and returns the data.","This guide covers what x402 is, how it works at the protocol level, which blockchains and stablecoins it supports, who is building with it, and how it fits alongside related standards like Google's Agent2Agent (A2A) and Agent Payments Protocol (AP2)."]},{"title":"h402 | The open standard for blockchain payments","url":"https://h402.xyz/","is_source_local":false,"is_source_both":false,"description":"H402 is designed as a frictionless machine-to-machine protocol that allows agents to pay for APIs, compute resources, and data using simple HTTP requests and native blockchain transactions scaling to billions of sub-cent micropayments.","profile":{"name":"H402","url":"https://h402.xyz/","long_name":"h402.xyz","img":"https://imgs.search.brave.com/3oMGOtA-rqhuCFTgEiHL9paRgLMzrclVw1_rRtXTfvI/rs:fit:32:32:1:0/g:ce/aHR0cDovL2Zhdmlj/b25zLnNlYXJjaC5i/cmF2ZS5jb20vaWNv/bnMvZjE5MGY5M2Vl/MWJiZGY5MGRiMzE2/MTkwYjcwNjM1NGIz/Mzc2YjhkOTQ5ZWU3/Y2U4YjhmNDQ5MmEx/NmM4NGNkZS9oNDAy/Lnh5ei8"},"language":"en","family_friendly":true,"type":"search_result","subtype":"generic","is_live":false,"meta_url":{"scheme":"https","netloc":"h402.xyz","hostname":"h402.xyz","favicon":"https://imgs.search.brave.com/3oMGOtA-rqhuCFTgEiHL9paRgLMzrclVw1_rRtXTfvI/rs:fit:32:32:1:0/g:ce/aHR0cDovL2Zhdmlj/b25zLnNlYXJjaC5i/cmF2ZS5jb20vaWNv/bnMvZjE5MGY5M2Vl/MWJiZGY5MGRiMzE2/MTkwYjcwNjM1NGIz/Mzc2YjhkOTQ5ZWU3/Y2U4YjhmNDQ5MmEx/NmM4NGNkZS9oNDAy/Lnh5ei8","path":""},"thumbnail":{"src":"https://imgs.search.brave.com/icIfmGYt2H58vEmt6_nMCIvqxKOrQV85O18bzsWsmnE/rs:fit:200:200:1:0/g:ce/aHR0cHM6Ly9oNDAy/Lnh5ei9pbWFnZXMv/cHJldmlldy5wbmc","original":"https://h402.xyz/images/preview.png","logo":false},"extra_snippets":["HTTP 402 is the web-native standard for payments. Our mission is to design a frictionless machine-to-machine protocol that allows agents to pay for APIs, compute resources, and data using simple HTTP requests and native blockchain transactions, scaling to billions of sub-cent microtransactions. This unlocks a previously unattainable economic layer for AI-native commerce, while simultaneously delivering a best-in-class user experience for humans. ... The h402 protocol, made by BitGPT, builds on top of x402, with minimal deviations from its schema to ensure the continuation and adoption of a true open standard.","We didn’t build h402 to compete with Coinbase, to \"win\" against them, or simply to be different. We built it because we believe the future of blockchain-native payments requires speed, openness, and a bold vision, and we weren’t going to wait for permission to shape it. Our goal is clear: enable a global network of agents that can communicate and transact on behalf of humans, frictionlessly and autonomously.","Linux opened the door to community innovation, global infrastructure, and modern open-source ecosystems. We see h402 following that same path for x402. Coinbase’s x402 is a strong starting point: a native web protocol for payments via HTTP 402, especially for agent-based and programmatic use cases."]},{"title":"x402, Agent to Agent Payments Protocol Summary | Delphi Digital","url":"https://members.delphidigital.io/feed/agent-to-agent-payments-protocol-report","is_source_local":false,"is_source_both":false,"description":"Their shared insight is that payment ... 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When a user (or agent) requests a monetized online resource, the server, instead of immediately granting access or showing a typical paywall, can reply with this 402 code.","This response includes a JSON descriptor detailing the acceptable cryptocurrencies (including stables), the required amount, and the blockchain network where the payment can be settled. This is particularly useful for AI agents as they can handle all this in just a few hundred milliseconds without relying on API keys, credit cards, or separate billing flows. x402 is the original, minimal schema. h402 is a newer superset built by BitGPT that keeps the x402 wire format but adds a richer five-stage lifecycle and multi-network settlement.","Quick Summary May 2025 x402 (Coinbase) and h402 (BitGPT) are new payment protocols that work by implementing the long-ignored HTTP 402PaymentRequired status code. Their shared insight is that payment can be treated as a standard HTTP concern, enabl"]}],"family_friendly":true}}},"h402":{"routeId":"web/search","provider":"locus-brave","selectedCandidateId":"web/search/locus-brave","routing":"manual","paidBy":"x402-exact"}}}}},"402":{"description":"Payment required. Paid routes first return an x402 challenge; pay in Base USDC and retry with the payment header. See /llms.txt."}},"x-h402":{"price":{"type":"fixed","currency":"USD","includesH402Fee":true,"h402FeeBps":500,"amountUsd":0.03675,"providerAmountUsd":0.035,"h402FeeUsd":0.00175},"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}],"payment":{"scheme":"exact","network":"base","caip2":"eip155:8453","token":"USDC","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","payTo":"0x1677383A7Bec2cf618FC98aeF68b757BcFc37F27"},"upstreamPayment":{"protocols":["mpp"],"paymentNetworks":[{"chain":"tempo","token":"USDC"}]},"method":"POST","endpoint":"https://h402.hunt.town/routes/locus-brave/web/search"}}},"/routes/exa/web/search":{"post":{"operationId":"search__exa","summary":"Web search","description":"Search the web with the selected provider and return its native result fields.","tags":["web"],"requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","properties":{"query":{"type":"string","minLength":1,"description":"Natural-language search query."},"type":{"type":"string","description":"Exa search type.","enum":["instant","fast","auto","deep-lite","deep","deep-reasoning"],"default":"auto"},"numResults":{"type":"integer","minimum":1,"maximum":10,"default":10,"description":"Number of results; Exa caps x402 search requests at 10."},"category":{"type":"string","examples":["company","publication","news","personal site","financial report","people"],"description":"Data category hint. The listed values are known categories, but Exa also accepts other strings."},"userLocation":{"type":"string","minLength":2,"maxLength":2,"description":"Two-letter ISO country code for the user's location."},"includeDomains":{"type":"array","maxItems":1200,"items":{"type":"string"},"description":"Domains, domain paths, or wildcard subdomains to include."},"excludeDomains":{"type":"array","maxItems":1200,"items":{"type":"string"},"description":"Domains, domain paths, or wildcard subdomains to exclude."},"startPublishedDate":{"type":"string","format":"date-time","description":"Only return links published after this ISO 8601 date-time."},"endPublishedDate":{"type":"string","format":"date-time","description":"Only return links published before this ISO 8601 date-time."},"moderation":{"type":"boolean","default":false,"description":"Filter unsafe content from results."},"additionalQueries":{"type":"array","minItems":1,"maxItems":10,"items":{"type":"string"},"description":"Additional query variations used by deep search types."},"systemPrompt":{"type":"string","description":"Instructions for synthesized output and deep-search planning."},"outputSchema":{"type":"object","properties":{"type":{"type":"string","enum":["text","object"],"description":"Root synthesized-output type."},"description":{"type":"string","description":"Description of the synthesized output."},"properties":{"type":"object","additionalProperties":true,"description":"User-defined properties for object output."},"required":{"type":"array","items":{"type":"string"},"description":"Required user-defined property names."},"additionalProperties":{"type":"boolean","description":"Whether synthesized object output may contain undeclared properties."}},"required":["type"],"additionalProperties":true,"description":"JSON Schema for synthesized output. 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Successful responses are wrapped as `{ data, meta?, h402 }`; `data` is the provider-native response, `meta` is reserved optional envelope metadata, and `h402.followUp` contains pinned async polling paths when applicable.","content":{"application/json":{"schema":{"type":"object","additionalProperties":false,"required":["data","h402"],"properties":{"data":{},"meta":{},"h402":{"type":"object","additionalProperties":true,"required":["routeId","provider","selectedCandidateId","routing","paidBy"],"properties":{"routeId":{"type":"string"},"provider":{"type":"string"},"selectedCandidateId":{"type":"string"},"routing":{"type":"string","enum":["manual"]},"paidBy":{"type":"string"},"followUp":{"type":"object","additionalProperties":true,"properties":{"routeId":{"type":"string"},"method":{"type":"string"},"path":{"type":"string","description":"Provider-pinned polling path returned by the live response."}}}}}}},"example":{"data":{"requestId":"44518021bc9cb06436a2879c3d55a16e","resolvedSearchType":"","results":[{"id":"https://h402.xyz/","title":"h402 | The open standard for blockchain payments","url":"https://h402.xyz/"},{"id":"https://h402.dev/","title":"h402 — The Open Protocol for AI Agents That Need Humans","url":"https://h402.dev/","publishedDate":"2026-03-26T00:00:00.000Z","author":"Future Applied"},{"id":"https://github.com/bit-gpt/h402","title":"bit-gpt/h402","url":"https://github.com/bit-gpt/h402"}],"searchTime":1287.3,"costDollars":{"total":0.007,"search":{"neural":0.007}}},"h402":{"routeId":"web/search","provider":"exa","selectedCandidateId":"web/search/exa","routing":"manual","paidBy":"x402-exact"}}}}},"402":{"description":"Payment required. Paid routes first return an x402 challenge; pay in Base USDC and retry with the payment header. See /llms.txt."}},"x-h402":{"price":{"type":"range","currency":"USD","includesH402Fee":true,"h402FeeBps":500,"minUsd":0.00735,"maxUsd":0.02625,"providerMinUsd":0.007,"providerMaxUsd":0.025,"h402FeeMinUsd":0.00035,"h402FeeMaxUsd":0.00125},"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}],"payment":{"scheme":"exact","network":"base","caip2":"eip155:8453","token":"USDC","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","payTo":"0x1677383A7Bec2cf618FC98aeF68b757BcFc37F27"},"upstreamPayment":{"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}]},"method":"POST","endpoint":"https://h402.hunt.town/routes/exa/web/search"}}},"/routes/auorio-tavily/web/search":{"post":{"operationId":"search__auorio-tavily","summary":"Web search","description":"Search the web with the selected provider and return its native result fields.","tags":["web"],"requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","properties":{"query":{"type":"string","minLength":1,"maxLength":1000,"description":"Search query."},"maxResults":{"type":"integer","minimum":1,"maximum":20,"description":"Optional number of results."},"searchDepth":{"type":"string","enum":["advanced","basic","fast","ultra-fast"],"description":"Optional Tavily search depth."}},"required":["query"],"additionalProperties":false},"example":{"query":"h402 agent payments"}}}},"responses":{"200":{"description":"Successful response. Successful responses are wrapped as `{ data, meta?, h402 }`; `data` is the provider-native response, `meta` is reserved optional envelope metadata, and `h402.followUp` contains pinned async polling paths when applicable.","content":{"application/json":{"schema":{"type":"object","additionalProperties":false,"required":["data","h402"],"properties":{"data":{},"meta":{},"h402":{"type":"object","additionalProperties":true,"required":["routeId","provider","selectedCandidateId","routing","paidBy"],"properties":{"routeId":{"type":"string"},"provider":{"type":"string"},"selectedCandidateId":{"type":"string"},"routing":{"type":"string","enum":["manual"]},"paidBy":{"type":"string"},"followUp":{"type":"object","additionalProperties":true,"properties":{"routeId":{"type":"string"},"method":{"type":"string"},"path":{"type":"string","description":"Provider-pinned polling path returned by the live response."}}}}}}},"example":{"data":{"query":"h402 agent payments","follow_up_questions":null,"answer":null,"images":[],"results":[{"url":"https://members.delphidigital.io/feed/agent-to-agent-payments-protocol-report","title":"x402, Agent to Agent Payments Protocol Summary | Delphi Digital","content":"x402 (Coinbase) and h402 (BitGPT) are new payment protocols that work by implementing the long-ignored HTTP 402 Payment Required status code. x402 is the original, minimal schema put out by Coinbase a couple months ago. h402 is a newer superset built by BitGPT that keeps the x402 format but add a richer, five-stage lifecycle and works with more blockchains. When a user (or agent) requests a monetized online resource, the server, instead of immediately granting access or showing a typical paywall, can reply with this 402 code. This response includes a JSON descriptor detailing the acceptable cryptocurrencies (including stables), the required amount, and the blockchain network where the payment can be settled. **x402 is the original, minimal schema.**. **h402 is a newer superset built by BitGPT that keeps the x402 wire format but adds a richer five-stage lifecycle and multi-network settlement.**. h402 inherits the x402 schema but layers on a deterministic, audit-friendly flow: Quote → Authorize → Broadcast → Validate → Settle.","score":0.8565368,"raw_content":null},{"url":"https://github.com/bit-gpt/h402","title":"GitHub - bit-gpt/h402: HTTP 402 is the web-native standard for payments. A frictionless machine-to-machine protocol that allows agents to pay for APIs, compute resources, and data. · GitHub","content":"You signed in with another tab or window. | pnpm-workspace.yaml | pnpm-workspace.yaml | | |. Our mission is to design a frictionless machine-to-machine protocol that allows agents to pay for APIs, compute resources, and data using simple HTTP requests and native blockchain transactions scaling to billions of sub-cent microtransactions. This protocol builds on top of the scheme from x402, to ensure the continuation and adoption of a true open standard. In the `example/` folder we've provided a simple demo of a Next webapp integrating both the facilitator (server) and the client to restrict access to a specific page under a 402 payment required response. * `pnpm build`: Builds all packages in the monorepo (use when you need to build everything). * `pnpm build:package`: Builds only the main `@bit-gpt/h402` package (sufficient for most development). * `pnpm dev:example`: Builds the main package and starts the example Next.js application. To add a new package to the monorepo:. 3. Add the package path to `pnpm-workspace.yaml`.","score":0.81347597,"raw_content":null},{"url":"https://nevermined.ai/blog/x402-ai-agent-billing","title":"X402 for AI Agent Billing | Nevermined","content":"# X402 for AI Agent Billing. A brief guide to using X402 for streamlined AI agent billing and payments. AI agents generate hundreds of micro-activities per conversation, each costing fractions of a cent, making legacy payment processors fundamentally incompatible with autonomous AI workflows. Companies can accelerate their path to profitability by leveraging a purpose-built payments platform that handles real-time metering, flexible pricing models, and instant settlement without requiring custom billing infrastructure. * Card processing commonly includes a fixed fee component (often around 30 cents per transaction) plus a percentage, making sub-cent AI agent billing economically impossible; x402 targets near-zero protocol fees on Base, with nominal gas cited around <$0.0001 in the x402 whitepaper. * HTTP 402 Payment Required is a reserved status code, and x402 explicitly repurposes it for autonomous stablecoin payments, with Nevermined adding smart account settlement, subscription models, and tamper-proof metering to create complete billing infrastructure. * Nevermined supports three flexible pricing models: usage-based (per-token, per-API-call), outcome-based (charging for results), and value-based (percentage of ROI).","score":0.69968605,"raw_content":null}],"response_time":0.91,"request_id":"31f0b32c-ddf0-42c6-baaa-2f8a4359f6f0"},"h402":{"routeId":"web/search","provider":"auorio-tavily","selectedCandidateId":"web/search/auorio-tavily","routing":"manual","paidBy":"x402-exact"}}}}},"402":{"description":"Payment required. Paid routes first return an x402 challenge; pay in Base USDC and retry with the payment header. See /llms.txt."}},"x-h402":{"price":{"type":"fixed","currency":"USD","includesH402Fee":true,"h402FeeBps":500,"amountUsd":0.021,"providerAmountUsd":0.02,"h402FeeUsd":0.001},"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}],"payment":{"scheme":"exact","network":"base","caip2":"eip155:8453","token":"USDC","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","payTo":"0x1677383A7Bec2cf618FC98aeF68b757BcFc37F27"},"upstreamPayment":{"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}]},"method":"POST","endpoint":"https://h402.hunt.town/routes/auorio-tavily/web/search"}}},"/routes/blockrun-grok/web/search":{"post":{"operationId":"search__blockrun-grok","summary":"Web search","description":"Search the web with the selected provider and return its native result fields.","tags":["web"],"requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","properties":{"query":{"type":"string","minLength":1,"maxLength":1000,"description":"Search query."},"sources":{"type":"array","items":{"type":"string","enum":["x","web","news"]},"description":"Sources to search."},"max_results":{"type":"integer","minimum":1,"maximum":50,"description":"Maximum results per source."}},"required":["query"],"additionalProperties":false},"example":{"query":"h402 agent payments"}}}},"responses":{"200":{"description":"Successful response. Successful responses are wrapped as `{ data, meta?, h402 }`; `data` is the provider-native response, `meta` is reserved optional envelope metadata, and `h402.followUp` contains pinned async polling paths when applicable.","content":{"application/json":{"schema":{"type":"object","additionalProperties":false,"required":["data","h402"],"properties":{"data":{},"meta":{},"h402":{"type":"object","additionalProperties":true,"required":["routeId","provider","selectedCandidateId","routing","paidBy"],"properties":{"routeId":{"type":"string"},"provider":{"type":"string"},"selectedCandidateId":{"type":"string"},"routing":{"type":"string","enum":["manual"]},"paidBy":{"type":"string"},"followUp":{"type":"object","additionalProperties":true,"properties":{"routeId":{"type":"string"},"method":{"type":"string"},"path":{"type":"string","description":"Provider-pinned polling path returned by the live response."}}}}}}},"example":{"data":{"query":"h402 agent payments","summary":"**h402 (or HTTP 402) is an open, web-native payment protocol developed by BitGPT for frictionless machine-to-machine (agent-to-agent) payments.** It repurposes the long-unused HTTP 402 \"Payment Required\" status code to enable AI agents and software to autonomously pay for APIs, compute resources, data, content, and other digital services using cryptocurrencies (especially stablecoins) directly over HTTP.[[1]](https://github.com/bit-gpt/h402)\n\nIt builds directly on **Coinbase’s x402** protocol (the original minimal implementation) as a superset/extension. h402 preserves the x402 wire format/schema for backward compatibility and interoperability while adding enhancements like a richer multi-stage lifecycle, support for more blockchains/networks, and additional payment schemes.[[2]](https://members.delphidigital.io/feed/agent-to-agent-payments-protocol-report)\n\n### Key Details\n- **Core Idea**: When an agent requests a paid resource, the server responds with HTTP 402 plus a JSON payload specifying payment details (amount, token/asset, network, pay-to address, expiry, etc.). The client/agent then pays (e.g., via signed permit, broadcast tx, or other methods) and retries the request with proof of payment in headers. This eliminates traditional billing flows, API keys, sign-ups, or slow fiat rails.[[2]](https://members.delphidigital.io/feed/agent-to-agent-payments-protocol-report)\n- **Lifecycle (h402-specific enhancement)**: Quote → Authorize → Broadcast → Validate → Settle. This is deterministic, audit-friendly, retry-safe, and supports post-broadcast validation/confirmations.[[2]](https://members.delphidigital.io/feed/agent-to-agent-payments-protocol-report)\n- **Supported Networks & Features** (as of latest info):\n - EVM-compatible chains (Ethereum, Base, BSC, etc.).\n - Solana (mainnet).\n - Arkade (Bitcoin mainnet).\n - Payment types: Signed payloads (e.g., permit-based like USDC), broadcasted transactions (e.g., USDT, natives like ETH/BNB), Solana tx with memo, Arkad… [truncated for committed sample]","citations":[],"sources_used":10,"model":"xai/grok-3-mini"},"h402":{"routeId":"web/search","provider":"blockrun-grok","selectedCandidateId":"web/search/blockrun-grok","routing":"manual","paidBy":"x402-exact"}}}}},"402":{"description":"Payment required. Paid routes first return an x402 challenge; pay in Base USDC and retry with the payment header. See /llms.txt."}},"x-h402":{"price":{"type":"range","currency":"USD","includesH402Fee":true,"h402FeeBps":500,"minUsd":0.02625,"maxUsd":1.3125,"providerMinUsd":0.025,"providerMaxUsd":1.25,"h402FeeMinUsd":0.00125,"h402FeeMaxUsd":0.0625},"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}],"payment":{"scheme":"exact","network":"base","caip2":"eip155:8453","token":"USDC","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","payTo":"0x1677383A7Bec2cf618FC98aeF68b757BcFc37F27"},"upstreamPayment":{"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}]},"method":"POST","endpoint":"https://h402.hunt.town/routes/blockrun-grok/web/search"}}},"/routes/sponge-perplexity/web/search":{"post":{"operationId":"search__sponge-perplexity","summary":"Web search","description":"Search the web with the selected provider and return its native result fields.","tags":["web"],"requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","properties":{"query":{"oneOf":[{"type":"string","minLength":1,"maxLength":1000,"description":"Single search query."},{"type":"array","minItems":1,"maxItems":5,"items":{"type":"string","minLength":1,"maxLength":1000,"description":"Search query."}}],"description":"One search query or an array of up to five search queries."},"max_results":{"type":"integer","minimum":1,"maximum":20,"default":10,"description":"Number of results to return (Perplexity max_results)."},"country":{"type":"string","minLength":2,"maxLength":2,"description":"Optional ISO 3166-1 alpha-2 country code to bias results.","examples":["US","GB"]},"search_context_size":{"type":"string","enum":["low","medium","high"],"default":"high","description":"Amount of search context to retrieve."},"max_tokens":{"type":"integer","minimum":1,"maximum":1000000,"description":"Maximum total tokens across all search results. Do not combine with search_context_size."},"max_tokens_per_page":{"type":"integer","minimum":1,"maximum":1000000,"description":"Maximum tokens extracted from each page. Do not combine with search_context_size."},"search_language_filter":{"type":"array","maxItems":10,"items":{"type":"string","minLength":2,"maxLength":2,"pattern":"^[a-z]{2}$"},"description":"ISO 639-1 language codes to include, with at most ten languages."},"search_domain_filter":{"type":"array","maxItems":20,"items":{"type":"string","minLength":1,"maxLength":253},"description":"Up to 20 domains to allow, or domains prefixed with - to deny. Do not mix allowlist and denylist entries."},"last_updated_after_filter":{"type":"string","pattern":"^(0?[1-9]|1[0-2])/(0?[1-9]|[12][0-9]|3[01])/[0-9]{4}$","description":"Return pages last updated after this date in MM/DD/YYYY format."},"last_updated_before_filter":{"type":"string","pattern":"^(0?[1-9]|1[0-2])/(0?[1-9]|[12][0-9]|3[01])/[0-9]{4}$","description":"Return pages last updated before this date in MM/DD/YYYY format."},"search_after_date_filter":{"type":"string","pattern":"^(0?[1-9]|1[0-2])/(0?[1-9]|[12][0-9]|3[01])/[0-9]{4}$","description":"Return pages published after this date in MM/DD/YYYY format."},"search_before_date_filter":{"type":"string","pattern":"^(0?[1-9]|1[0-2])/(0?[1-9]|[12][0-9]|3[01])/[0-9]{4}$","description":"Return pages published before this date in MM/DD/YYYY format."},"search_recency_filter":{"type":"string","enum":["hour","day","week","month","year"],"description":"Limit results to pages published within this recency window."}},"required":["query"],"additionalProperties":false,"not":{"anyOf":[{"required":["search_context_size","max_tokens"]},{"required":["search_context_size","max_tokens_per_page"]},{"required":["search_recency_filter","last_updated_after_filter"]},{"required":["search_recency_filter","last_updated_before_filter"]},{"required":["search_recency_filter","search_after_date_filter"]},{"required":["search_recency_filter","search_before_date_filter"]}]}},"example":{"query":"h402 agent payments"}}}},"responses":{"200":{"description":"Successful response. Successful responses are wrapped as `{ data, meta?, h402 }`; `data` is the provider-native response, `meta` is reserved optional envelope metadata, and `h402.followUp` contains pinned async polling paths when applicable.","content":{"application/json":{"schema":{"type":"object","additionalProperties":false,"required":["data","h402"],"properties":{"data":{},"meta":{},"h402":{"type":"object","additionalProperties":true,"required":["routeId","provider","selectedCandidateId","routing","paidBy"],"properties":{"routeId":{"type":"string"},"provider":{"type":"string"},"selectedCandidateId":{"type":"string"},"routing":{"type":"string","enum":["manual"]},"paidBy":{"type":"string"},"followUp":{"type":"object","additionalProperties":true,"properties":{"routeId":{"type":"string"},"method":{"type":"string"},"path":{"type":"string","description":"Provider-pinned polling path returned by the live response."}}}}}}},"example":{"data":{"id":"7b493bb5-720c-47f4-b864-b3394feae637","results":[{"date":"2025-05-06","last_updated":"2026-02-19","snippet":"x402 (Coinbase) and h402 (BitGPT) are new payment protocols that work by implementing the long-ignored HTTP 402 Payment Required status code.\nTheir shared insight is that\n*payment can be treated as a standard HTTP concern*, enabling the next generation of autonomous, metered, accurate commerce over the public Internet.\nx402 is the original, minimal schema put out by Coinbase a couple months ago.\nh402 is a newer superset built by BitGPT that keeps the x402 format but add a richer, five-stage lifecycle and works with more blockchains.\nWhen a user (or agent) requests a monetized online resource, the server, instead of immediately granting access or showing a typical paywall, can reply with this 402 code.\nThis response includes a JSON descriptor detailing the acceptable cryptocurrencies (including stables), the required amount, and the blockchain network where the payment can be settled.\nThis is particularly useful for AI agents as they can handle all this in just a few hundred milliseconds without relying on API keys, credit cards, or separate billing flows.\n...\nh402 inherits the x402 schema but layers on a deterministic, audit-friendly flow: Quote → Authorize → Broadcast → Validate → Settle\n|Stage|Artifact (hash-stable)|Retry-safe?|\n|--|--|--|\n|Quote|quote.json (price, routes, nonce, expiry)|✅|\n|Authorise|auth.sig (permit, PSBT, delegated spend)|✅|\n|Broadcast|txHash / Lightning pre-image|✅|\n|Validate|receipt.json (confirmations)|✅|\n|Settle|settled.json (FX, status)|✅|\nEnhancements over x402\n- Multi-treasury out of the box – EVM, Solana, Bitcoin, and Lightning, not just permit-based ERC-20s.\n- Post-broadcast validation & polling so Bitcoin-style confirmation logic is possible.\n- Header-only option for edge functions: all artifacts can travel inside standard HTTP headers, no body parsing required.\n- Built-in pathways for future payment schemes (upto, streamed, subscription) and facilitator smart-contracts.\n...\n- This unlocks agent-to-agent commerce: an LLM script can sp… [truncated for committed sample]","title":"x402, Agent to Agent Payments Protocol Summary - Delphi Digital","url":"https://members.delphidigital.io/feed/agent-to-agent-payments-protocol-report"},{"date":"2025-04-18","last_updated":"2025-06-12","snippet":"HTTP 402 is the web-native standard for payments.\nOur mission is to design a frictionless machine-to-machine protocol that allows agents to pay for APIs, compute resources, and data using simple HTTP requests and native blockchain transactions scaling to billions of sub-cent microtransactions.\n...\nCurrently, h402 supports:\nNetworks:\n- All EVM-compatible chains (Ethereum, Binance Smart Chain, Base, etc.)\n- Solana (mainnet)\nPayment Types:\n- Signed payloads (permit-based tokens like USDC)\n- Broadcasted transactions (for tokens like USDT and native currencies like BNB/ETH)\n- Solana transactions with memo (for SOL and SPL tokens)\nPayment schemes:\n- ```\nexact\n```\n: Fixed amount payments with predefined values\nWe're actively expanding support for additional networks, tokens, and payment schemes.\nSee our roadmap for upcoming implementations including Bitcoin, and new payment models like\n```\nupto\n```\n,\n```\nstreamed\n```\n, and\n```\nsubscription\n```","title":"bit-gpt/h402: HTTP 402 is the web-native standard for payments. A ...","url":"https://github.com/bit-gpt/h402"},{"date":"2026-06-24","last_updated":"2026-07-03","snippet":"Same 402 handshake, but settling onchain in stablecoins (USDC and ERC-20 tokens across Base, Solana, Polygon, and others).\nEach request is a standalone payment with no account, no API key, no prior relationship needed.\nAn agent can hit a cold endpoint and pay.\n...\n### How an HTTP 402 payment actually works, step by step\n- **Step 1 (Discovery):** The agent initiates a GET request.\n- **Step 2 (Challenge):** The server returns an HTTP 402 Payment Required status code, injecting payment parameters directly into the response payload (amount, network, destination address).\n- **Step 3 (Settlement):** The agent reads the response, executes an onchain transaction on the network, and secures a deterministic token, while settling the transaction.\n- **Step 4 (Access):** The agent attaches the token to the header of a renewed GET request.\nThe server verifies it and serves the requested data payload under an HTTP 200 OK status.\n...\n- H402 (BitGPT): forks x402 to add Bitcoin and Lightning with a 0.25% fee.\n...\nA: HTTP 402 is a status code built into the original web specification in the 1990s, designed to signal that a resource requires payment before access is granted.\nIt matters for crypto because AI agents - which pay per API call rather than per monthly subscription - are the first web clients that genuinely need a machine-native payment layer, and crypto protocols like x402 and L402 are the first practical implementations of that layer.\n...\nA: The agent sends a standard GET request; the server responds with a 402 status and payment details (amount, network, address); the agent executes the payment onchain and receives a cryptographic token as proof; it then retries the request with that token in the header, and the server delivers the resource.","title":"How AI agents are unlocking HTTP 402 as a payment standard","url":"https://www.21shares.com/pt-br/insights/http-402-ai-agent-payments"}]},"h402":{"routeId":"web/search","provider":"sponge-perplexity","selectedCandidateId":"web/search/sponge-perplexity","routing":"manual","paidBy":"x402-exact"}}}}},"402":{"description":"Payment required. Paid routes first return an x402 challenge; pay in Base USDC and retry with the payment header. See /llms.txt."}},"x-h402":{"price":{"type":"fixed","currency":"USD","includesH402Fee":true,"h402FeeBps":500,"amountUsd":0.0105,"providerAmountUsd":0.01,"h402FeeUsd":0.0005},"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}],"payment":{"scheme":"exact","network":"base","caip2":"eip155:8453","token":"USDC","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","payTo":"0x1677383A7Bec2cf618FC98aeF68b757BcFc37F27"},"upstreamPayment":{"protocols":["x402"],"paymentNetworks":[{"chain":"base","caip2":"eip155:8453","token":"USDC"}]},"method":"POST","endpoint":"https://h402.hunt.town/routes/sponge-perplexity/web/search"}}},"/routes/stableenrich-exa/web/contents":{"post":{"operationId":"contents__stableenrich-exa","summary":"Page contents","description":"Extract clean content from one or more URLs at lower cost for bulk reads.","tags":["web"],"requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","properties":{"urls":{"type":"array","items":{"type":"string","format":"uri"},"minItems":1,"description":"URLs to extract readable page content from."}},"required":["urls"],"additionalProperties":false},"example":{"urls":["https://react.dev/learn"]}}}},"responses":{"200":{"description":"Successful response. Successful responses are wrapped as `{ data, meta?, h402 }`; `data` is the provider-native response, `meta` is reserved optional envelope metadata, and `h402.followUp` contains pinned async polling paths when applicable.","content":{"application/json":{"schema":{"type":"object","additionalProperties":false,"required":["data","h402"],"properties":{"data":{},"meta":{},"h402":{"type":"object","additionalProperties":true,"required":["routeId","provider","selectedCandidateId","routing","paidBy"],"properties":{"routeId":{"type":"string"},"provider":{"type":"string"},"selectedCandidateId":{"type":"string"},"routing":{"type":"string","enum":["manual"]},"paidBy":{"type":"string"},"followUp":{"type":"object","additionalProperties":true,"properties":{"routeId":{"type":"string"},"method":{"type":"string"},"path":{"type":"string","description":"Provider-pinned polling path returned by the live response."}}}}}}},"example":{"data":{"requestId":"1266a9da7e5bda9d9f1a03e6abb42c95","results":[{"id":"https://react.dev/learn","title":"Quick Start – React","url":"https://react.dev/learn","author":null,"text":"Welcome to the React documentation! This page will give you an introduction to 80% of the React concepts that you will use on a daily basis.\n\n- How to create and nest components\n- How to add markup and styles\n- How to display data\n- How to render conditions and lists\n- How to respond to events and update the screen\n- How to share data between components\n\n## Creating and nesting components {/ components/}\n\nReact apps are made out of components. A component is a piece of the UI (user interface) that has its own logic and appearance. A component can be as small as a button, or as large as an entire page.\n\nReact components are JavaScript functions that return markup:\n\n```js\nfunction MyButton() {\n return (\n \n );\n}\n\n```\n\nNow that you've declared `MyButton`, you can nest it into another component:\n\n```js\nexport default function MyApp() {\n return (\n