{"uid":"cap_DTvc_CufdGZH-eGFtUo-z","slug":"losbeto-chain-transaction-lookup-3716863b","name":"Losbeto Chain Transaction Lookup","description":"OpenAI-compatible LLM gateway at $0.005/call — change base_url, pay in USDC. Plus pay-per-call market data: multi-oracle price consensus, sentiment, forex, equities, commodities, Brazil macro (BCB/B3) and crypto. No API keys, no accounts. USDC on Base, Solana, Algorand and Polygon via x402.","url":"https://markets.losbeto.xyz/chain-tx?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","properties":{"queryParams":{"type":"object","required":["explain","hash"],"properties":{"hash":{"type":"string","description":"hash parameter"},"explain":{"type":"string","description":"explain parameter"}}}}},"output":{"type":"object","properties":{"example":{"type":"object","description":"Transaction receipt on Base: status, confirmations, gas used, fee paid, logs count, explorer link — plus optional plain-English explanation (explain=1) written by the node's LLM bandit (deterministic fallback)."}}}}},"responseSchema":{"type":"json"},"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_FNPC2XtiSr6IS_sIWmHvH","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 a blockchain transaction by hash on Base, returning receipt details (status, confirmations, gas, fee, logs) with optional plain-English LLM explanation.","exampleAgentPrompt":"Can you look up transaction hash 0xabc123...def on Base and explain in plain English what it did and whether it confirmed?","exampleUseCases":[{"title":"Verify USDC payment confirmation","prompt":"I just sent a USDC payment on Base — the hash is 0x4f2a...8c91. Can you check if it confirmed and how many confirmations it has so far?"},{"title":"Debug a failed on-chain transaction","prompt":"This transaction 0xde3b...77fa on Base shows as failed in my wallet. Can you pull the receipt and explain in plain English what went wrong?"},{"title":"Audit gas costs for a recent trade","prompt":"Can you look up tx hash 0x91cc...34be on Base and tell me exactly how much gas was used and the fee paid?"}],"resultDescription":"A JSON transaction receipt containing: confirmation status, number of confirmations, gas used, fee paid in ETH/USDC, log count, and a block explorer link. If explain=1 is passed, also includes a plain-English summary of what the transaction did, generated by the node's LLM.","failureModes":["Invalid or malformed transaction hash returns an error","Transaction hash not found on Base returns null or 404","explain parameter missing or malformed may return raw receipt without explanation","Network congestion may delay receipt retrieval for very recent transactions","Non-Base chain hashes will not resolve correctly"],"whenToPreferThis":"Use this endpoint when you need to verify, audit, or explain a specific Base chain transaction by hash without needing a full blockchain node or account setup. It is ideal for agents that need to confirm payment receipt, debug failures, or present human-readable transaction summaries, and works best when the transaction is already on Base. For other chains, use chain-specific alternatives.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-18T12:45:55.807Z","isFirstParty":false,"canonicalSlug":"losbeto-chain-transaction-lookup-3716863b"}