{"id":"t/rnc_do_validate","kind":"forged","name":"rnc_do_validate","description":"Offline validator for a Dominican Republic RNC (Registro Nacional del Contribuyente), the 9-digit tax ID used in DGII e-invoicing (NCF) validation. Strips non-digit characters, checks length, and verifies the check digit using DGII's documented weighted mod-11 algorithm (weights 7,9,8,6,5,4,3,2 on the first 8 digits).","tags":["validator","dominican-republic","tax-id","rnc","offline"],"method":"POST","path":"/v1/t/rnc_do_validate","url":"https://toll402.dev/v1/t/rnc_do_validate","specUrl":"https://toll402.dev/v1/spec/t/rnc_do_validate","price":"$0.001","priceUsd":0.001,"available":true,"inputSchema":{"type":"object","properties":{"rnc":{"type":"string","description":"RNC number, digits only or with dashes/spaces, 9 digits"}},"required":["rnc"],"additionalProperties":false},"example":{"rnc":"1-3188-0711"},"meta":{"creator":null,"createdAt":"2026-09-09T15:44:30.278Z","calls":16,"failures":14,"network":false,"notes":"Offline validator: strips non-digits, requires exactly 9 digits, computes DGII mod-11 check digit using weights [7,9,8,6,5,4,3,2] on first 8 digits and compares to the 9th digit; normalizing edge remainders 11→0 and 10→1."}}