{"uid":"cap_eLkpofVgO-Kan9gzYDx6L","slug":"x402-bazaar-base-transaction-decoder-4658d8af","name":"x402 Bazaar — Base Transaction Decoder","description":"Provide a Base transaction hash and get a structured summary: from/to, ETH value, status, gas used, block, method selector, and nonce — straight from Base RPC. Paid via x402: $0.01 in USDC on Base (eip155:8453) to 0x973a31858f4d2125f48c880542da11a2796f12d6. Returns 402 with payment requirements; pay and retry.","url":"https://api.relai.fi/relay/1782567677091/api/x402/tx-decode","method":"POST","headers":{},"bodySchema":{"type":"object","$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"],"type":"string"},"pathParams":{"type":"object"},"queryParams":{"type":"object","required":["hash"],"properties":{"hash":{"type":"string","description":"Transaction hash"}}}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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_np-f9q1oeQAV_0epWeK7e","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":"Accepts a Base blockchain transaction hash and returns a structured summary including from/to addresses, ETH value, status, gas used, block number, method selector, and nonce — fetched directly from Base RPC.","exampleAgentPrompt":"Can you decode Base transaction 0x4a3f...c9d2 for me and tell me the sender, receiver, ETH value, gas used, status, and what method was called?","exampleUseCases":null,"resultDescription":"A structured JSON object containing: from address, to address, ETH value transferred, transaction status (success/fail), gas used, block number, method selector (4-byte function signature), and nonce — all sourced directly from Base RPC.","failureModes":["Invalid or malformed transaction hash returns an error","Transaction hash not found on Base network returns not-found error","Payment not provided or insufficient results in 402 Payment Required with USDC payment instructions","Network issues with Base RPC may cause timeout or partial response","Transaction from a different chain (e.g. Ethereum mainnet) will not resolve correctly"],"whenToPreferThis":"Use this endpoint when you need quick, structured on-chain transaction details from the Base network without running your own RPC node. Ideal for agents that need to verify or summarize a specific Base transaction as part of a workflow, and that support the x402 micropayment protocol for per-call billing at $0.01 USDC.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:46:29.416Z","isFirstParty":false}