{"uid":"cap_husCVRLeRahK3b0pZ-UCZ","slug":"crypto-shark-bazaar-chain-transaction-lookup-588952ed","name":"Crypto Shark Bazaar – Chain Transaction Lookup","description":"Low-cost x402 blockchain primitives, market intelligence, and AI utilities for autonomous agents","url":"https://cryptoshark.duckdns.org/chain/transaction?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"network":"base","observedAt":"2026-09-16T00:00:00.000Z"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.008","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":"$0.008/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_qcDYzqHWPZqhNp8VvQBUw","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.008","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves blockchain transaction data and on-chain primitives for a given transaction on the Base network via x402-gated GET request","exampleAgentPrompt":"Can you look up the on-chain details for a transaction on the Base network and tell me what happened — the network it was on and when it was observed?","exampleUseCases":[{"title":"Verify on-chain transaction for agent","prompt":"Check the Base network transaction details for my agent's last payment and tell me when it was observed on-chain."},{"title":"Audit blockchain activity log","prompt":"Fetch the on-chain record for that Base transaction I flagged earlier — I need the network name and the exact timestamp it was observed."},{"title":"Debug failed DeFi transaction","prompt":"Pull up the chain-level data for the transaction that failed in my DeFi workflow yesterday so I can see what the Base network recorded about it."}],"resultDescription":"Returns a JSON object containing the blockchain network name (e.g. 'base') and an ISO 8601 timestamp of when the transaction was observed on-chain, along with any available transaction primitives.","failureModes":["Missing or malformed transaction properties parameter returns an error or empty result","Transaction not found on the specified network returns null or empty data","Payment not processed (x402 402 response) if USDC payment fails","DuckDNS hostname may be temporarily unavailable leading to connection timeouts","Rate limiting or quota exhaustion may return 429 errors"],"whenToPreferThis":"Choose this endpoint when you need low-cost, x402-gated on-chain transaction lookups on the Base network for autonomous agent workflows, particularly when paying per-call in USDC is acceptable and you need raw blockchain primitives rather than a full-featured block explorer API.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T12:39:33.322Z","isFirstParty":false,"canonicalSlug":"crypto-shark-bazaar-chain-transaction-lookup-588952ed"}