{"uid":"cap_i0kTnNBhnmFe5VD5ZhJxK","slug":"sableforge-transaction-lookup-api-f76dc445","name":"SableForge Transaction Lookup API","description":"12 pay-per-call HTTP APIs settled in USDC on Base via x402 v2. No API keys, no accounts, no signup — $0.0005–$0.0020 per call. Includes a locally hosted 27B LLM endpoint.","url":"https://sableforge.servehttp.com/api/tx?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"hash":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"to":"0x..","from":"0x..","hash":"0xabc","value":0.001,"status":1}},"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_uZQyFnnBJ4eXO8divP3GR","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":"Looks up on-chain transaction details by hash on the Base blockchain, returning sender, recipient, value, and status.","exampleAgentPrompt":"Can you look up the details of this Base transaction — 0xabc123... — and tell me the sender, receiver, amount, and whether it succeeded?","exampleUseCases":[{"title":"Verify incoming USDC payment","prompt":"Check if transaction 0xdeadbeef... on Base went through and who sent it — I'm expecting a USDC payment from a client and want to confirm it arrived."},{"title":"Audit agent payment trail","prompt":"Pull up the details for Base tx hash 0x1234abcd... — I need to see the from address, to address, value transferred, and whether it confirmed."},{"title":"Investigate failed transfer","prompt":"Look up transaction 0xfailed99... on Base and tell me its status — I think a payment I sent earlier didn't go through and I need to verify."}],"resultDescription":"Returns a JSON object with the transaction's recipient address (to), sender address (from), transaction hash, value transferred (in ETH/USDC units), and confirmation status (1 = success, 0 = failed) for the queried Base chain transaction.","failureModes":["Transaction hash not found — returns error if hash does not exist on Base","Invalid hash format — malformed or non-hex hash string causes bad request","Transaction still pending — unconfirmed transactions may not yet be indexable","Payment failure — x402 USDC micropayment required; insufficient balance causes 402 response","Network timeout — self-hosted node may be temporarily unavailable"],"whenToPreferThis":"Use this endpoint when you need to look up a specific transaction on the Base blockchain by its hash and retrieve structured details (sender, receiver, value, status) without needing a full blockchain explorer or API key. Ideal for agents that need lightweight, pay-per-call on-chain transaction verification settled in USDC via x402.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T12:39:17.304Z","isFirstParty":false,"canonicalSlug":"sableforge-transaction-lookup-api-f76dc445"}