{"slug":"api-ishob-com-v1-crypto-contract-abi-f9a509","title":"Verified smart-contract ABI (+ optional Solidity/Vyper source) for Ethereum, Bas","host":"api.ishob.com","method":"GET","resource":"https://api.ishob.com/v1/crypto/contract-abi","category":"company","description":"Verified smart-contract ABI (+ optional Solidity/Vyper source) for Ethereum, Base, Arbitrum, Optimism, Polygon and BNB Chain from the open Sourcify registry: compiler, deployment, read/write function and event signatures, and proxy resolution to the implementation ABI. Unverified contracts return 40","price_listed":0.001,"price_asked":0.001,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":27,"reported_calls_30d":2,"reported_payers_30d":2,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"address":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","chain":"base"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"address":{"description":"Contract address","pattern":"^0x[0-9a-fA-F]{40}$","type":"string"},"chain":{"description":"EVM chain","enum":["ethereum","base","arbitrum","optimism","polygon","bsc"],"type":"string"},"include_source":{"default":false,"description":"Include verified source files (up to 600k characters)","type":"boolean"},"resolve_proxy":{"default":true,"description":"Also return the implementation ABI of a proxy","type":"boolean"}},"required":["chain","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":"2026-10-18","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.001,"price_match":true,"latency_ms":27,"error":null}],"description_full":"Verified smart-contract ABI (+ optional Solidity/Vyper source) for Ethereum, Base, Arbitrum, Optimism, Polygon and BNB Chain from the open Sourcify registry: compiler, deployment, read/write function and event signatures, and proxy resolution to the implementation ABI. Unverified contracts return 404 (not charged).","last_updated":"2026-10-14T16:44:23.441Z","schemes":["exact"]}