{"id":"t/nip_pl_validate","kind":"forged","name":"nip_pl_validate","description":"Offline validator for a Polish NIP (Numer Identyfikacji Podatkowej) tax identifier. Normalizes input (strips dashes/spaces), checks it is 10 digits, and verifies the checksum digit using weights 6,5,7,2,3,4,5,6,7 applied to the first 9 digits with mod-11 (checksum of 10 is invalid).","tags":["validator","poland","tax-id","nip","offline"],"method":"POST","path":"/v1/t/nip_pl_validate","url":"https://toll402.dev/v1/t/nip_pl_validate","specUrl":"https://toll402.dev/v1/spec/t/nip_pl_validate","price":"$0.001","priceUsd":0.001,"available":true,"inputSchema":{"type":"object","properties":{"nip":{"type":"string","description":"Polish NIP, digits with optional dashes/spaces"}},"required":["nip"],"additionalProperties":false},"example":{"nip":"123-456-32-18"},"meta":{"creator":null,"createdAt":"2026-09-09T22:24:07.752Z","calls":4,"failures":3,"network":false,"notes":"Pure offline validation: strips dashes/spaces from input, checks for exactly 10 digits, then computes the mod-11 checksum using weights 6,5,7,2,3,4,5,6,7 on the first 9 digits and compares to the 10th digit (checksum of 10 is treated as invalid)."}}