{"id":"t/tckn_validate","kind":"forged","name":"tckn_validate","description":"Offline validator for a Turkish TCKN (T.C. Kimlik No, 11-digit national identity number). Checks length, leading digit non-zero, and the official checksum: digit10 = ((sum of digits 1,3,5,7,9 * 7) - sum of digits 2,4,6,8) mod 10, digit11 = (sum of first 10 digits) mod 10.","tags":["validator","turkey","tckn","national-id","offline"],"method":"POST","path":"/v1/t/tckn_validate","url":"https://toll402.dev/v1/t/tckn_validate","specUrl":"https://toll402.dev/v1/spec/t/tckn_validate","price":"$0.001","priceUsd":0.001,"available":true,"inputSchema":{"type":"object","properties":{"tckn":{"type":"string","description":"11-digit Turkish national ID number, digits only"}},"required":["tckn"],"additionalProperties":false},"example":{"tckn":"10000000146"},"meta":{"creator":null,"createdAt":"2026-09-10T00:20:47.655Z","calls":5,"failures":4,"network":false,"notes":"Pure offline validation using the official TCKN checksum algorithm: checks 11-digit format, non-zero leading digit, and the two checksum digits computed from weighted sums of odd/even positioned digits."}}