{"uid":"cap_62rt1tFBIZTubcbK6y6Al","slug":"cairnworks-verify-transaction-receipt-verifier-fa7ffa3b","name":"Cairnworks Verify — Transaction Receipt Verifier","description":"Verify a Base/BSC transaction receipt for a payout or claim: status, block, sender, gas, decoded ERC-20 Transfer logs and a sha256 evidence digest. 0.01 USDC via x402 on Base. POST only. Free sample: /samples","url":"https://cairnworks-verify.run402.com/verify?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"chain":{"enum":["base","base-sepolia","bsc"],"type":"string"},"txHash":{"type":"string","pattern":"^0x[0-9a-fA-F]{64}$"}}},"responseSchema":{"type":"json","example":{"from":"0x8186bdC89E5893393136265f88bA3719BF453527","chain":"base","verdict":"success","chain_id":8453,"gas_used":86230,"verified":true,"status_hex":"0x1","block_number":52779560,"erc20_transfers":[{"to":"0xAd62f03C7514bb8c51f1eA70C2b75C37404695c8","from":"0x8186bdC89E5893393136265f88bA3719BF453527","token":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","value_raw":"5000","value_human":0.005}],"evidence_sha256":"…"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_4fzcVa9bt6_yko32KZ5ni","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Verifies a Base or BSC blockchain transaction receipt, returning status, block info, decoded ERC-20 transfers, and a SHA-256 evidence digest for agent payouts or claims.","exampleAgentPrompt":"Can you verify this Base transaction for me — 0x8186bdC89E5893393136265f88bA3719BF453527 sent a payout and I need to confirm it went through on Base mainnet? The tx hash is 0xabc123...def456.","exampleUseCases":[{"title":"Confirm agent payout receipt on Base","prompt":"An AI agent just claimed it paid out USDC to my wallet on Base mainnet — can you verify transaction hash 0xabc123...def456 and tell me the status, block number, and how much ERC-20 was actually transferred?"},{"title":"Audit BSC claim before releasing funds","prompt":"Before I release the next batch of rewards, verify this BSC transaction hash 0xdef789...abc123 to make sure the previous payout really went through and show me the decoded token transfer details."},{"title":"Generate tamper-proof payment evidence","prompt":"I need a SHA-256 evidence digest proving that transaction 0x1234...5678 on Base Sepolia testnet succeeded — can you run the verification and give me the evidence hash I can store for our records?"}],"resultDescription":"A JSON object containing: verified (boolean), verdict (e.g. 'success'), status_hex (e.g. '0x1'), block_number, chain, chain_id, from address, gas_used, an array of decoded erc20_transfers (each with to, from, token contract, value_raw, value_human), and a SHA-256 evidence_sha256 digest of the receipt.","failureModes":["Invalid or malformed tx hash (not matching 0x + 64 hex chars) returns validation error","Unsupported chain value returns enum validation error","Transaction not found on specified chain returns unverified or error response","Network timeout or RPC failure may cause slow or failed response","Payment failure (x402 USDC not provided) blocks access to the endpoint"],"whenToPreferThis":"Use this endpoint when an AI agent needs to cryptographically confirm that a specific on-chain transaction (especially a USDC or ERC-20 payout) succeeded on Base mainnet, Base Sepolia testnet, or BSC — particularly when you need decoded transfer logs and a tamper-evident SHA-256 evidence digest rather than just a raw RPC call. Prefer this over generic blockchain explorers when you need a structured, agent-ready JSON response with a pre-computed evidence hash for audit trails.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-28T12:34:01.974Z","isFirstParty":false,"canonicalSlug":"cairnworks-verify-transaction-receipt-verifier-fa7ffa3b"}