{"slug":"flat-rate-llm-kikoribera03-workers-dev-v1-util-selector-3aead2","title":"Turns a Solidity signature like transfer(address,uint256) into its 4-byte functi","host":"flat-rate-llm.kikoribera03.workers.dev","method":"GET","resource":"https://flat-rate-llm.kikoribera03.workers.dev/v1/util/selector","category":"other","description":"Turns a Solidity signature like transfer(address,uint256) into its 4-byte function selector and its 32-byte event topic0. What you need to build calldata by hand or to filter logs.","price_listed":0.0025,"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":1,"networks":["eip155:137","eip155:42161","eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"signature":"transfer(address,uint256)"},"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":{"signature":{"description":"Canonical signature: name(type1,type2), no spaces and no argument names.","type":"string"}},"required":["signature"],"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":[],"description_full":"Turns a Solidity signature like transfer(address,uint256) into its 4-byte function selector and its 32-byte event topic0. What you need to build calldata by hand or to filter logs.","last_updated":"2026-09-09T23:14:52.735Z","schemes":["exact"]}