{"slug":"x402-echo-service-onrender-com-chain-tx-e0316e","title":"Look up a transaction on Base by hash","host":"x402-echo-service.onrender.com","method":"POST","resource":"https://x402-echo-service.onrender.com/chain/tx","category":"market","description":"Look up a transaction on Base by hash. POST {\"hash\":\"0x...\"} and receive its status, block number, from and to addresses, value, gas used and effective gas price. Returns a clear not-found rather than an empty object when the hash is unknown.","price_listed":0.001,"price_asked":0.001,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":244,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"hash":"0x962895f4b604ce745b6cd76e588d62fcf4fb59f9d6e67d0a17a7769f6ab15e4e"},"bodyType":"json","method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"properties":{"body":{"additionalProperties":false,"properties":{"hash":{"description":"32-byte transaction hash.","type":"string"}},"required":["hash"],"type":"object"},"bodyType":{"enum":["json"]},"method":{"enum":["POST"],"type":"string"},"type":{"const":"http"}},"required":["type","bodyType","body","method"],"type":"object"},"output":{"properties":{"example":{"properties":{"blockNumber":{"type":"integer"},"found":{"type":"boolean"},"from":{"type":"string"},"gasUsed":{"type":"string"},"hash":{"type":"string"},"status":{"type":"string"},"to":{"type":"string"},"value":{"type":"string"}},"required":["hash","found"],"type":"object"},"type":{"const":"json"}},"required":["type","example"],"type":"object"}},"required":["input","output"],"type":"object"},"history":[{"day":"2026-09-24","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.001,"price_match":true,"latency_ms":244,"error":null}],"description_full":"Look up a transaction on Base by hash. POST {\"hash\":\"0x...\"} and receive its status, block number, from and to addresses, value, gas used and effective gas price. Returns a clear not-found rather than an empty object when the hash is unknown.","last_updated":"2026-08-30T15:19:28.984Z","schemes":["exact"]}