{"slug":"api-chainmarket-api-workers-dev-api-crypto-smart-contract-ve-3316f2","title":"EVM contract verification status from Sourcify (open, no key)","host":"api.chainmarket-api.workers.dev","method":"GET","resource":"https://api.chainmarket-api.workers.dev/api/crypto/smart-contract-verify","category":"market","description":"EVM contract verification status from Sourcify (open, no key): match type (exact/partial), compiler, contract name, ABI function and event counts, proxy implementations. Only verified contracts; source files are not returned. Unverified contracts give a 404.","price_listed":0.002,"price_asked":0.002,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":34,"reported_calls_30d":2,"reported_payers_30d":2,"networks":["eip155:10","eip155:137","eip155:143","eip155:42161","eip155:42220","eip155:480","eip155:5042","eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","xrpl:0"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"address":"0xdAC17F958D2ee523a2206206994597C13D831ec7","chainId":"1"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"address":{"description":"Contract address, 0x + 40 hex characters","type":"string"},"chainId":{"description":"EVM chain id as a number (default 1 = Ethereum mainnet)","type":"string"}},"required":["address"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-10-24","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.002,"price_match":true,"latency_ms":34,"error":null}],"description_full":"EVM contract verification status from Sourcify (open, no key): match type (exact/partial), compiler, contract name, ABI function and event counts, proxy implementations. Only verified contracts; source files are not returned. Unverified contracts give a 404.","last_updated":"2026-10-23T21:10:00.271Z","schemes":["exact"]}