{"uid":"cap_JvsdlAGN0KFC6C7VyXGCL","slug":"obol-cardano-transaction-lookup-1c278c8a","name":"Obol Cardano Transaction Lookup","description":"Obol sells verified blockchain data over x402, settled in USDC on Base.","url":"https://obol.danieldutoit.net/v1/cardano/transaction","method":"GET","headers":{},"bodySchema":null,"responseSchema":{"type":"json","example":{"found":false,"network":"cardano-mainnet","coverage":{"match_type":"exact_transaction_hash","maximum_results":1},"transaction":null,"transaction_hash":"a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_GVnilZAA-AdyROdySWU4O","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches verified details for a specific Cardano mainnet transaction by its transaction hash.","exampleAgentPrompt":"Can you look up the Cardano mainnet transaction with hash a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0 and tell me whether it was found and what its details are?","exampleUseCases":[{"title":"Verify ADA payment received","prompt":"I need to confirm that a Cardano payment went through — the transaction hash is f3c2b1a0d4e5f6a7b8c9d0e1f2a3b4c5d6e7f8a9b0c1d2e3f4a5b6c7d8e9f0a1. Can you check if it's on the Cardano mainnet and show me the transaction details?"},{"title":"Audit blockchain transaction trail","prompt":"I'm auditing some on-chain activity and need to pull verified data for Cardano transaction hash 9b8c7d6e5f4a3b2c1d0e9f8a7b6c5d4e3f2a1b0c9d8e7f6a5b4c3d2e1f0a9b8. Can you fetch the full transaction record from Cardano mainnet?"},{"title":"Smart contract execution confirmation","prompt":"Our dApp just submitted a Cardano smart contract transaction — hash is 1234abcd5678efgh9012ijkl3456mnop7890qrst1234uvwx5678yzab9012cdef. Can you verify it landed on Cardano mainnet and return what Obol found?"}],"resultDescription":"Returns a JSON object indicating whether the transaction was found on Cardano mainnet, the network identifier ('cardano-mainnet'), coverage metadata including match type ('exact_transaction_hash') and maximum results (1), the queried transaction hash, and a 'transaction' field containing full transaction details if found or null if not found.","failureModes":["Transaction hash not found — returns found: false with transaction: null","Invalid or malformed transaction hash — may return an error or not-found response","Network unavailability — service may be temporarily unreachable","Payment failure — x402 USDC payment on Base not settled, request blocked","Hash exists on a different Cardano network (testnet vs mainnet) — returns not found"],"whenToPreferThis":"Use this endpoint when you need verified, on-chain Cardano transaction data by exact transaction hash on mainnet. Prefer this over generic blockchain explorers when you need a paid, programmatic, API-accessible result settled via x402/USDC — especially in automated agent workflows that require a structured JSON response rather than a web scrape. Not suitable for Ethereum, Bitcoin, or other non-Cardano chains.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:41:53.946Z","isFirstParty":false}