{"id":"t/nino_validate","kind":"forged","name":"nino_validate","description":"Offline validator for a UK National Insurance Number (NINO). Normalizes input (strips spaces/dashes, uppercases) and checks the LL999999L pattern: two letters, six digits, one suffix letter (A-D). Rejects first letter D,F,I,Q,U,V; second letter D,F,I,Q,U,V,O; and reserved prefixes BG,GB,NK,KN,TN,NT,ZZ.","tags":["validator","uk","nino","identity","offline"],"method":"POST","path":"/v1/t/nino_validate","url":"https://toll402.dev/v1/t/nino_validate","specUrl":"https://toll402.dev/v1/spec/t/nino_validate","price":"$0.001","priceUsd":0.001,"available":true,"inputSchema":{"type":"object","properties":{"value":{"type":"string","description":"NINO string, e.g. 'AB123456C' or 'AB 12 34 56 C'"}},"required":["value"],"additionalProperties":false},"example":{"value":"AB 12 34 56 C"},"meta":{"creator":null,"createdAt":"2026-09-09T20:40:46.027Z","calls":7,"failures":6,"network":false,"notes":"Pure offline regex/string validation of UK NINO format LL999999L, checking reserved prefixes and disallowed first/second letters; no network calls used."}}