{"slug":"saylorinnovations-com-api-chain-call-1f5bae","title":"Contract call simulation (eth_call) on 16 EVM chains","host":"saylorinnovations.com","method":"GET","resource":"https://saylorinnovations.com/api/chain/call","category":"other","description":"Contract call simulation (eth_call) on 16 EVM chains: raw result, uint, address and string readings, any block, and a decoded revert reason on failure.","price_listed":0.01,"price_asked":0.01,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":276,"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":{"chain":"ethereum","data":"0x95d89b41","to":"0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"},"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"},"data":{"description":"calldata as 0x hex (4-byte selector plus encoded arguments)","type":"string"},"to":{"description":"the contract address","type":"string"}},"required":["chain","to","data"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"properties":{"as_address":{"description":"result read as an address when it fits","type":["string","null"]},"as_string":{"description":"result read as an ABI-encoded string when it looks like one","type":["string","null"]},"as_uint":{"description":"result read as an unsigned integer when it is one 32-byte word","type":["string","null"]},"block":{"description":"block the call was run at","type":"string"},"chain":{"description":"the chain name that was queried","type":"string"},"chain_id":{"description":"EIP-155 chain id of that network","type":"number"},"from":{"description":"caller address used, if given","type":["string","null"]},"note":{"description":"plain-language reading of the result","type":"string"},"result":{"description":"returned bytes as hex","type":["string","null"]},"result_bytes":{"description":"length of the result in bytes","type":"number"},"result_truncated":{"description":"true when the result was cut at 8,192 bytes","type":"boolean"},"revert_reason":{"description":"error text from the node or decoded Error(string) or Panic","type":"string"},"reverted":{"description":"true when the call failed","type":"boolean"},"source":{"description":"where the data was read from","type":"string"},"to":{"description":"the contract that was called","type":"string"}},"required":["chain","chain_id","to","block","reverted","note","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":276,"error":null}],"description_full":"Contract call simulation (eth_call) on 16 EVM chains: raw result, uint, address and string readings, any block, and a decoded revert reason on failure.","last_updated":"2026-10-21T04:11:24.76Z","schemes":["exact"]}