{"resource":"https://402.com.tr/api/x402/encode-selector","service":"Function Selector Encoder","areas":["onchain_reads"],"answering":true,"http_status":402,"latency_ms":343,"price_usdc":0.01,"buyers_30d":3,"calls_30d":6,"description":"Computes the 4-byte selector for a function signature (e.g. transfer(address,uint256) → 0xa9059cbb). The inverse of the decoder — useful for agents building or matching calldata.","id":"0482e47c5cb8","category":"Unclassified","accuracy":null,"tool_calls":null,"checked_day":"2026-10-11","page":"https://velliumandco.com/sellers/0482e47c5cb8"}