{"uid":"cap_FKaY5GR0e7dvTHx4-2pqe","slug":"blockrun-on-chain-transaction-lookup-95c5150c","name":"BlockRun On-Chain Transaction Lookup","description":"Pay for the outcome. One endpoint for every model, tool and data source an agent needs — each call priced before it runs, at the best value per dollar. 103 models and 100 data and tool APIs.","url":"https://blockrun.ai/api/v1/surf/onchain/tx","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"hash":{"type":"string","description":"Required query param"},"chain":{"type":"string","description":"Required query param"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0075","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.0075/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0085","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0085","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_4kVk7GjguJ_1kupYDssYK","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0085","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches detailed data for a specific on-chain transaction by hash and chain identifier","exampleAgentPrompt":"Can you look up the details of this Solana transaction for me — hash 5xK9...abc — and tell me what was transferred, who sent it, and whether it confirmed?","exampleUseCases":null,"resultDescription":"Returns structured data about the specified on-chain transaction including block number, timestamp, sender, recipient, value, token transfers, gas used, and confirmation status for the requested chain.","failureModes":["Invalid or malformed transaction hash returns an error response","Unsupported chain identifier returns a 400 or similar error","Transaction not yet indexed or very recent may return not-found","Payment failure (402) if USDC balance is insufficient for the $0.0075 per-call fee","Network timeout if the underlying RPC is slow"],"whenToPreferThis":"Choose this endpoint when you need to resolve a specific transaction hash to its full on-chain details across Base or Solana without managing your own RPC infrastructure or API keys — especially useful for AI agents that need pay-per-call access with no setup overhead.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:46:39.108Z","isFirstParty":false}