{"uid":"cap_7OtVgHl9_eCSC4q29ZwC6","slug":"multichain-rpc-tx-transaction-lookup-f6c6c1b6","name":"Multichain RPC/tx — Transaction Lookup","description":"Cheap, factual EVM chain lookups priced per call in USDC. Base, Polygon, Arbitrum, Optimism and Ethereum.","url":"https://multichain-rpc.clankerceo.workers.dev/tx","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","queryParams"],"properties":{"type":{"enum":["http"],"type":"string"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{"hash":{"type":"string"},"chain":{"type":"string"}}}}},"output":{"type":"object","required":["type"],"properties":{"type":{"enum":["json"],"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"hash":"0x…","chain":"base","found":true,"status":"success","gas_used":21000}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_uwye9z3slizhYnheaazLJ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves full transaction details and receipt by hash on EVM chains, including status, block, from/to addresses, value, gas used, effective gas price, and decoded ERC-20 transfers.","exampleAgentPrompt":"Can you look up transaction 0x3f4a1b2c... on Base and tell me if it succeeded, how much gas was used, and whether any ERC-20 tokens were transferred?","exampleUseCases":[{"title":"Verify a crypto payment receipt","prompt":"I just sent a payment on Polygon — the transaction hash is 0xabc123... — can you confirm it went through, who received it, and how much gas was spent?"},{"title":"Debug a failed DeFi transaction","prompt":"My swap transaction 0xdeadbeef... on Arbitrum seems to have failed. Can you pull up the details and tell me the status, gas used, and what the transaction was trying to do?"},{"title":"Audit ERC-20 token transfers in a transaction","prompt":"Can you look up transaction 0x9f8e7d... on Ethereum and show me all the ERC-20 token transfers that happened inside it, including the token amounts and addresses?"}],"resultDescription":"Returns a JSON object with the transaction hash, chain, found flag, status (success/failed/pending), block number, from and to addresses, ETH value, gas used, effective gas price, and an array of decoded ERC-20 transfer events within the transaction.","failureModes":["Transaction hash not found on the specified chain — returns found: false","Invalid or malformed transaction hash format — likely returns an error response","Chain parameter not recognized or unsupported — may return an error or empty result","Network timeout or RPC node unavailability — transient failure","Transaction still pending — may return incomplete receipt data"],"whenToPreferThis":"Use this endpoint when you need on-chain transaction verification or receipt data across Base, Polygon, Arbitrum, Optimism, or Ethereum without running your own node. It is especially useful when you need decoded ERC-20 transfer events rather than raw log data, and when per-call USDC micropayment pricing is acceptable. Prefer over general-purpose RPC providers when you want a structured, pre-parsed response that includes human-readable transfer details.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:31:00.027Z","isFirstParty":false}