{"id":"t/cui_ro_validate","kind":"forged","name":"cui_ro_validate","description":"Offline validator for a Romanian CUI (company tax ID). Strips an optional 'RO' prefix, applies weights 7-5-3-2-1-7-3-2 to the digits preceding the check digit (right-to-left), sums the weighted products, multiplies by 10, takes mod 11 (mapping a remainder of 10 to 0), and compares the result to the supplied check digit.","tags":["validator","romania","tax-id","offline","cui"],"method":"POST","path":"/v1/t/cui_ro_validate","url":"https://toll402.dev/v1/t/cui_ro_validate","specUrl":"https://toll402.dev/v1/spec/t/cui_ro_validate","price":"$0.001","priceUsd":0.001,"available":true,"inputSchema":{"type":"object","properties":{"cui":{"type":"string","description":"CUI, optionally prefixed with RO, 2-9 digits"}},"required":["cui"]},"example":{"cui":"RO12345670"},"meta":{"creator":null,"createdAt":"2026-09-10T00:48:16.590Z","calls":11,"failures":1,"network":false,"notes":"Offline arithmetic validator: strips RO prefix/non-digits, pads the digits preceding the check digit to 8 with leading zeros, applies weights 7-5-3-2-1-7-3-2 left-to-right, sums, multiplies by 10, takes mod 11 (10→0), and compares to the supplied check digit; no network calls used."}}