{"uid":"cap_hvEdPCZ7VgbZ544idq1Ck","slug":"x402-web-probe-chain-transaction-lookup-hub-europe-germany-6f992140","name":"x402 Web Probe – Chain Transaction Lookup (Hub Europe, Germany)","description":"Pay-per-call website uptime/latency/TLS checks and fetch-to-Markdown, measured from Hub Europe (Germany). USDC on Base via x402. No account or API key.","url":"https://rabbitholeshot.ccwu.cc:8443/v1/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","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["chain","hash"],"properties":{"hash":{"type":"string","example":"0x142d15b73dfbf96c4a75a62079e8a1f4999916229734e0c28feafc752323e599","description":"0x transaction hash"},"chain":{"type":"string","example":"base","description":"base or ethereum"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"to":"0x...","from":"0x...","block":36000000,"status":"success","gas_used":"52000","value_eth":"0","confirmations":12}},"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_OfNg9cX7_FsCQJ1DPkj4j","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 blockchain transaction details (status, block, gas, value, confirmations) by transaction hash on Base or Ethereum, paid per-call via USDC on Base using x402.","exampleAgentPrompt":"Can you check whether transaction 0x142d15b73dfbf96c4a75a62079e8a1f4999916229734e0c28feafc752323e599 on Base went through and how many confirmations it has?","exampleUseCases":[{"title":"Verify crypto payment received","prompt":"Can you confirm that the Base transaction 0x142d15b73dfbf96c4a75a62079e8a1f4999916229734e0c28feafc752323e599 was successful and tell me the sender address and how many confirmations it has?"},{"title":"Debug failed on-chain transfer","prompt":"My Ethereum transaction 0xabc123...def456 doesn't seem to have gone through — can you look it up and tell me the status, block number, and gas used?"},{"title":"Audit smart contract interaction gas","prompt":"For the Base transaction hash 0x7f3a...b91c, what was the gas used and what block did it land in? I need this for a cost audit."}],"resultDescription":"Returns a JSON object containing the recipient address (to), sender address (from), block number, transaction status (success/fail), gas used, ETH value transferred, and number of confirmations for the queried transaction hash.","failureModes":["Invalid or malformed transaction hash returns an error","Unsupported chain value (not 'base' or 'ethereum') causes a validation error","Transaction not yet indexed or pending may return empty or partial data","Payment failure via x402 (insufficient USDC balance) blocks the request","Network timeout from the Germany hub endpoint"],"whenToPreferThis":"Use this endpoint when you need a pay-per-call, no-account blockchain transaction lookup from a European vantage point without managing API keys. Ideal for agents that only occasionally verify transactions and don't want a persistent subscription. Supports Base and Ethereum chains.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T06:44:52.438Z","isFirstParty":false,"canonicalSlug":"x402-web-probe-chain-transaction-lookup-hub-europe-germany-6f992140"}