{"uid":"cap_yBSPbSoodrQHg-753dlK6","slug":"blockchain-transaction-receipt-lookup-e1d3b198","name":"Blockchain Transaction Receipt Lookup","description":"Evidence-backed npm package upgrade decisions for coding agents.","url":"https://x402-safe-upgrade-api.onrender.com/v1/transaction-receipt?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"chain":{"enum":["base","base-sepolia"],"type":"string"},"transactionHash":{"type":"string","description":"0x-prefixed 32-byte public transaction hash."}}},"responseSchema":{"type":"json","example":{"feeWei":"21000000000000","status":"success","explorerUrl":"https://basescan.org/tx/0x...","confirmation":"confirmed"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_9XvWKf6wq72TsV2-8x66w","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Looks up the on-chain transaction receipt for a given transaction hash on Base or Base Sepolia, returning status, fee, confirmation, and explorer URL.","exampleAgentPrompt":"Can you check whether transaction 0x3a7f...b2c1 went through on the Base mainnet — I need to know the status, confirmation, and how much the fee was in wei.","exampleUseCases":[{"title":"Verify payment confirmation after checkout","prompt":"I just sent a USDC payment on Base with transaction hash 0xabc123...def456 — can you confirm it went through and tell me the final status?"},{"title":"Debug failed transaction on testnet","prompt":"Check transaction 0x9f2e...1d3a on Base Sepolia for me and let me know if it failed and what fee was charged."},{"title":"Retrieve explorer link for record-keeping","prompt":"I need the Basescan explorer URL and fee details for transaction hash 0x5c8b...77fa on the Base mainnet — can you pull that receipt for me?"}],"resultDescription":"Returns a JSON object with the transaction status (e.g. 'success' or 'failed'), the fee paid in wei as a string, a Basescan/explorer URL for the transaction, and a confirmation field indicating whether the transaction is confirmed on-chain.","failureModes":["Invalid or malformed transaction hash returns an error response","Transaction hash not found on the specified chain returns a not-found error","Specifying an unsupported chain value returns a validation error","Network connectivity issues with the Base RPC may cause timeouts","Pending transactions may return unconfirmed status rather than success"],"whenToPreferThis":"Use this endpoint when you need to programmatically verify whether a specific Base or Base Sepolia transaction has been confirmed, retrieve its fee cost in wei, or get a direct block explorer link — especially useful in automated payment pipelines or agent workflows that need to confirm an x402 payment went through before proceeding.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:37:39.364Z","isFirstParty":false,"canonicalSlug":"blockchain-transaction-receipt-lookup-e1d3b198"}