{"slug":"tanod-dev-v1-chain-calldata-30d607","title":"chainpeek (Tanod) calldata decode","host":"tanod.dev","method":"POST","resource":"https://tanod.dev/v1/chain/calldata","category":"other","description":"chainpeek (Tanod) calldata decode: decode EVM transaction calldata with a given signature, or look the selector up and return every candidate that decodes cleanly (unverified hints). Read-only.","price_listed":0.003,"price_asked":null,"state":"effects","state_label":"Not tested: has real-world effects","checks_7d":0,"answered_7d":0,"latency_ms_median":null,"reported_calls_30d":2,"reported_payers_30d":2,"networks":["eip155:137","eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"calldata":"0xa9059cbb000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003e8","signature":"transfer(address,uint256)"},"bodyType":"json","method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"additionalProperties":false,"properties":{"calldata":{"description":"0x-prefixed calldata hex (at least a 4-byte selector).","type":"string"},"signature":{"anyOf":[{"type":"string"},{"type":"null"}],"default":null,"description":"Optional function signature, e.g. transfer(address,uint256); omit to look the selector up and return every clean decode."}},"required":["calldata"],"type":"object"},"bodyType":{"enum":["json","form-data","text"],"type":"string"},"method":{"enum":["POST"],"type":"string"},"type":{"const":"http","type":"string"}},"required":["type","method","bodyType","body"],"type":"object"},"output":{"properties":{"example":{"properties":{"best":{"type":["object","null"]},"bytes":{"type":"integer"},"candidates":{"type":"array"},"decoded":{"type":"array"},"note":{"type":["string","null"]},"selector":{"type":"string"}},"required":["selector","decoded"],"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[],"description_full":"chainpeek (Tanod) calldata decode: decode EVM transaction calldata with a given signature, or look the selector up and return every candidate that decodes cleanly (unverified hints). Read-only.","last_updated":"2026-10-08T20:47:18.983Z","schemes":["exact"]}