{"slug":"abi-cyberwarex-com-abi-d47824","title":"Fetch a verified contract's ABI and metadata by address, keylessly, from Sourcif","host":"abi.cyberwarex.com","method":"GET","resource":"https://abi.cyberwarex.com/abi","category":"market","description":"Fetch a verified contract's ABI and metadata by address, keylessly, from Sourcify. Returns the ABI plus a summarized list of function and event signatures, the contract name and compiler, and proxy detection (is_proxy + implementation address). Block explorers gate the ABI behind an API key; this do","price_listed":0.003,"price_asked":0.003,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":1274,"reported_calls_30d":21,"reported_payers_30d":2,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"address":"0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2","chain":"ethereum"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"additionalProperties":false,"properties":{"address":{"description":"Contract address (0x + 40 hex chars, required).","pattern":"^0x[a-fA-F0-9]{40}$","type":"string"},"chain":{"description":"EVM chain (default base).","enum":["arbitrum","avalanche","base","bsc","ethereum","optimism","polygon"],"type":"string"}},"required":["address"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"properties":{"abi":{"description":"the full ABI (JSON array).","type":"array"},"abi_entries":{"type":"integer"},"address":{"type":"string"},"chain":{"type":"string"},"compiler":{"type":["string","null"]},"events":{"items":{"type":"string"},"type":"array"},"functions":{"items":{"type":"string"},"type":"array"},"implementation":{"description":"logic address if proxy.","type":["string","null"]},"is_proxy":{"type":"boolean"},"match":{"description":"exact_match or match.","type":["string","null"]},"name":{"type":["string","null"]},"source":{"type":"string"},"verified":{"description":"true if Sourcify has verified source.","type":"boolean"}},"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-09-24","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.003,"price_match":true,"latency_ms":1274,"error":null}],"description_full":"Fetch a verified contract's ABI and metadata by address, keylessly, from Sourcify. Returns the ABI plus a summarized list of function and event signatures, the contract name and compiler, and proxy detection (is_proxy + implementation address). Block explorers gate the ABI behind an API key; this does not. Chains: base, ethereum, arbitrum, optimism, polygon, bsc, avalanche. No API keys, no LLM, one x402 USDC micropayment per call.","last_updated":"2026-09-24T07:36:09.77Z","schemes":["exact"]}