{"slug":"saylorinnovations-com-api-chain-proxy-3d173f","title":"Proxy contract resolver for 16 EVM chains","host":"saylorinnovations.com","method":"GET","resource":"https://saylorinnovations.com/api/chain/proxy","category":"other","description":"Proxy contract resolver for 16 EVM chains: EIP-1967, EIP-1822, EIP-1167 clone and legacy OpenZeppelin patterns, implementation, admin and beacon address.","price_listed":0.01,"price_asked":0.01,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":437,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:137","eip155:42161","eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"address":"0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","chain":"ethereum"},"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":"the contract address to resolve","type":"string"},"chain":{"description":"chain name (ethereum, base, arbitrum, optimism, polygon, bsc, avalanche, gnosis, linea, scroll, mantle, blast, sonic, celo, berachain, unichain) or chain id","type":"string"}},"required":["chain","address"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"properties":{"address":{"description":"the contract that was resolved","type":"string"},"admin":{"description":"EIP-1967 admin address when set","type":["string","null"]},"beacon":{"description":"beacon contract for beacon proxies","type":["string","null"]},"chain":{"description":"the chain name that was queried","type":"string"},"chain_id":{"description":"EIP-155 chain id of that network","type":"number"},"detail":{"description":"short explanation of the pattern","type":"string"},"implementation":{"description":"address the proxy delegates to","type":["string","null"]},"implementation_code_size_bytes":{"description":"size of the implementation's deployed code","type":["number","null"]},"is_proxy":{"description":"true when a standard proxy pattern matched","type":"boolean"},"note":{"description":"plain-language reading of the result"},"proxy_kind":{"description":"which pattern matched, or none","type":"string"},"source":{"description":"where the data was read from","type":"string"},"upgradeable":{"description":"false for fixed clones and non-proxies, true otherwise","type":"boolean"}},"required":["chain","chain_id","address","is_proxy","proxy_kind","upgradeable","detail","source"],"type":"object"},"type":{"const":"json","type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-10-21","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.01,"price_match":true,"latency_ms":437,"error":null}],"description_full":"Proxy contract resolver for 16 EVM chains: EIP-1967, EIP-1822, EIP-1167 clone and legacy OpenZeppelin patterns, implementation, admin and beacon address.","last_updated":"2026-10-21T04:11:12.592Z","schemes":["exact"]}