{"uid":"cap_QTiIGL323zBM5eY9NqcFp","slug":"multi-source-transaction-verifier-lab-paidapis-net-68140148","name":"Multi-Source Transaction Verifier (lab.paidapis.net)","description":"Multi-source oracle: checks a Base tx hash against 3 independent RPC providers in parallel and only signs an attestation if all of them unanimously agree. If they disagree, the raw per-source breakdown is returned instead of a false attestation — stronger trust than the single-source oracle, priced accordingly.","url":"https://lab.paidapis.net/api/verify-tx-multi-source","method":"GET","headers":{},"bodySchema":{"type":"object","required":["txHash"],"properties":{"txHash":{"type":"string","description":"32-byte transaction hash to check."}}},"responseSchema":{"type":"object","properties":{"chain":{"type":"string"},"signed":{"type":"boolean"},"txHash":{"type":"string"},"sources":{"type":"array","items":{"type":"object"}},"checkedAt":{"type":"string"},"confirmed":{"type":["boolean","null"]},"signature":{"type":"string"},"blockNumber":{"type":["integer","null"]},"totalSources":{"type":"integer"},"signerAddress":{"type":"string"},"agreeingSources":{"type":"integer"},"consensusReached":{"type":"boolean"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_WVf91Pv9RsyHF5iYmU896","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Verifies a blockchain transaction hash against multiple independent sources and returns a consensus confirmation status with a cryptographic signature.","exampleAgentPrompt":"Can you verify transaction hash 0xabc123...def on Base mainnet by checking it against multiple sources and tell me whether consensus was reached and the block it was included in?","exampleUseCases":[{"title":"Payment confirmation before service delivery","prompt":"Before I release the digital download to this customer, can you verify that transaction 0x4f2c...8a1b is actually confirmed on-chain — check it across multiple sources so I know it's real?"},{"title":"DeFi settlement finality check","prompt":"I need to confirm that tx hash 0x9d3e...c72f has reached consensus across independent nodes before we mark this escrow as settled — can you check it and tell me how many sources agreed?"},{"title":"Fraud detection for suspicious transactions","prompt":"Someone sent me transaction hash 0x1b7a...e490 as proof of payment — can you run a multi-source verification on it and give me a signed attestation of whether it's actually confirmed on Base?"}],"resultDescription":"Returns a JSON object containing: the chain name, the transaction hash, confirmation status (boolean or null), block number, number of agreeing sources, total sources checked, whether consensus was reached, a signer address, a cryptographic signature over the result, and a timestamp of when the check was performed.","failureModes":["Invalid or malformed txHash returns an error","Transaction not yet indexed by any source returns confirmed=null and consensusReached=false","Fewer than threshold sources respond, leading to no consensus","Transaction hash not found on Base mainnet returns empty or null confirmation","Network timeout from upstream RPC/oracle sources causes partial results"],"whenToPreferThis":"Choose this endpoint when you need tamper-evident, multi-source confirmation of a blockchain transaction rather than trusting a single RPC node. Ideal for payment verification pipelines, escrow release triggers, or fraud checks where you want a signed attestation and consensus signal across independent data providers rather than a single-node response.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:47:00.002Z","isFirstParty":false}