{"id":"t/ruc_py_validate","kind":"forged","name":"ruc_py_validate","description":"Offline validator for a Paraguayan RUC (Registro Único de Contribuyentes): parses the base number (3-8 digits) and its hyphenated check digit, recomputes the check digit using the modulo-11 algorithm (cyclic weights 2-7 from the rightmost digit, sum mod 11, subtract from 11, mapping 10 and 11 to 0), and compares it to the supplied check digit.","tags":["validator","paraguay","ruc","tax-id","offline"],"method":"POST","path":"/v1/t/ruc_py_validate","url":"https://toll402.dev/v1/t/ruc_py_validate","specUrl":"https://toll402.dev/v1/spec/t/ruc_py_validate","price":"$0.001","priceUsd":0.001,"available":true,"inputSchema":{"type":"object","properties":{"ruc":{"type":"string","description":"RUC in format BASE-DV, e.g. 80028098-2","pattern":"^[0-9]{3,8}-[0-9]$"}},"required":["ruc"],"additionalProperties":false},"example":{"ruc":"80028098-2"},"meta":{"creator":null,"createdAt":"2026-09-09T15:28:43.716Z","calls":9,"failures":8,"network":false,"notes":"Pure offline computation: parses BASE-DV via regex, applies Paraguayan RUC modulo-11 algorithm with cyclic weights 2-7 from the rightmost digit, maps remainders 10/11 to 0, and compares to the supplied check digit; no network calls used."}}