{"uid":"cap_-fgy37mi8GHu8O_y-1s4I","slug":"x402-web-probe-blockchain-transaction-lookup-hub-europe-germany-87e4a9d6","name":"x402 Web Probe – Blockchain 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://crystalbell.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_PKa98PjrVMFPtbiy0npOG","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 on-chain transaction details (status, block, gas, value, confirmations) for a given transaction hash on Base or Ethereum, paid per-call via USDC on Base using x402.","exampleAgentPrompt":"Can you check whether the Base transaction 0x142d15b73dfbf96c4a75a62079e8a1f4999916229734e0c28feafc752323e599 was successful, and tell me how many confirmations it has?","exampleUseCases":[{"title":"Verify a crypto payment receipt","prompt":"I sent USDC to a vendor on the Base network — the tx hash is 0x142d15b73dfbf96c4a75a62079e8a1f4999916229734e0c28feafc752323e599. Can you confirm it went through and how many confirmations it has?"},{"title":"Debug a failed smart contract call","prompt":"My smart contract interaction on Ethereum might have failed. The transaction hash is 0xabc123...def456. Can you look it up and tell me the status, gas used, and what block it landed in?"},{"title":"Audit trail for a DeFi transaction","prompt":"For our records, can you pull the full details of Base transaction 0xdeadbeef...1234 — including the sender, receiver, value in ETH, and block number?"}],"resultDescription":"Returns a JSON object with the transaction's to/from addresses, block number, status (success or failure), gas used, ETH value, and number of confirmations.","failureModes":["Invalid or malformed transaction hash returns an error","Unsupported chain name (not 'base' or 'ethereum') causes a validation failure","Transaction not yet indexed returns no result or pending status","Payment failure via x402 prevents the call from completing","Network timeouts if the RPC node is unresponsive"],"whenToPreferThis":"Use this endpoint when you need a lightweight, no-account-required way to look up individual transaction details on Base or Ethereum, especially in automated agent workflows where pay-per-call USDC pricing (via x402) is preferred over monthly API subscriptions. It is ideal for spot-checking transaction status, confirmation counts, or gas usage without setting up a full blockchain node client or third-party API key.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-27T06:36:31.678Z","isFirstParty":false,"canonicalSlug":"x402-web-probe-blockchain-transaction-lookup-hub-europe-germany-87e4a9d6"}