{"id":"t/nss_validate","kind":"forged","name":"nss_validate","description":"Offline validator for the Mexican IMSS Social Security Number (NSS): checks that the input is an 11-digit numeric string and that it satisfies the standard Luhn (mod-10) check-digit algorithm applied to the full number. Pure computation, no network access.","tags":["mexico","validation","nss","imss","offline","luhn"],"method":"POST","path":"/v1/t/nss_validate","url":"https://toll402.dev/v1/t/nss_validate","specUrl":"https://toll402.dev/v1/spec/t/nss_validate","price":"$0.001","priceUsd":0.001,"available":true,"inputSchema":{"type":"object","properties":{"nss":{"type":"string","description":"11-digit NSS, digits only"}},"required":["nss"],"additionalProperties":false},"example":{"nss":"12345678903"},"meta":{"creator":null,"createdAt":"2026-09-09T07:25:29.196Z","calls":15,"failures":13,"network":false,"notes":"Pure offline computation: validates 11-digit numeric format then applies the standard Luhn (mod-10) checksum over all digits including the check digit (doubling every second digit from the right, subtracting 9 if result exceeds 9, summing, and checking divisibility by 10); also returns a conventionally formatted NSS string (2-2-6-1 groups). No network calls."}}