{"slug":"saylorinnovations-com-api-chain-chain-id-4e45d3","title":"EVM chain id lookup for 16 chains","host":"saylorinnovations.com","method":"GET","resource":"https://saylorinnovations.com/api/chain/chain-id","category":"company","description":"EVM chain id lookup for 16 chains: EIP-155 id in decimal and hex, native currency symbol, and whether the node matches the registry.","price_listed":0.01,"price_asked":0.01,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":776,"reported_calls_30d":2,"reported_payers_30d":2,"networks":["eip155:137","eip155:42161","eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"chain":"arbitrum"},"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":{"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"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"properties":{"chain":{"description":"the chain name that was queried","type":"string"},"chain_id":{"description":"chain id reported by the node itself","type":"number"},"chain_id_hex":{"description":"the chain id in hex, as used in wallet network switching","type":"string"},"layer":{"description":"L1 or L2","type":"string"},"matches_registry":{"description":"true when the node reports the id this service has on record for the chain","type":"boolean"},"native_symbol":{"description":"ticker of the coin that pays gas","type":"string"},"source":{"description":"where the data was read from","type":"string"}},"required":["chain","chain_id","chain_id_hex","native_symbol","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":776,"error":null}],"description_full":"EVM chain id lookup for 16 chains: EIP-155 id in decimal and hex, native currency symbol, and whether the node matches the registry.","last_updated":"2026-10-21T02:12:44.822Z","schemes":["exact"]}