# Peru RUC Check (LatAm Tax ID API)

> Validate Peruvian company tax IDs (RUC) against SUNAT's public registry (Padrón Reducido del RUC). Returns legal name, taxpayer status, HABIDO / NO HABIDO address condition, fiscal address and a pass | review | fail verdict with reasons in English. REST API, remote MCP server and a browser lookup page. Operated by HALPII S.A.C. (Lima, Peru); not affiliated with SUNAT.

## API

- REST: GET https://taxid.halpii.com/v1/pe/ruc/{ruc}  (Authorization: Bearer <key>; 10 lookups/day per network without a key)
- MCP (Streamable HTTP): https://taxid.halpii.com/mcp  tool: validate_peru_ruc(ruc)
- API key (100 lookups/day, no card): POST https://taxid.halpii.com/v1/keys {"email": "..."}
- OpenAPI: https://taxid.halpii.com/openapi.json
- Interactive docs: https://taxid.halpii.com/docs

Response fields: format_valid, check_digit_valid, taxpayer_type, found, legal_name, status{code,label,active},
domicile_condition{code,label,located}, address{line,ubigeo,district,province,department}, assessment{verdict: pass|review|fail, reasons[]},
source{name,url,data_as_of}.

Only company RUCs (prefix 20) return registry data; natural-person RUCs (10, 15, 16, 17) return check-digit validation only (Peru Law 29733).
Prefix-20 RUCs registered under a person's name return status and district with the name and street withheld.

## Pages

- [Peru RUC Lookup: Check a Company in the SUNAT Registry](https://taxid.halpii.com/peru-ruc-lookup): Look up a Peruvian company's RUC: legal name, SUNAT status, HABIDO or NO HABIDO condition, fiscal address and a pass, review or fail verdict.
- [Peru RUC Check API](https://taxid.halpii.com/): overview, pricing and FAQ.

## Guides

- [What Is a Peru RUC? Format, Prefixes and Check Digit](https://taxid.halpii.com/guides/what-is-a-peru-ruc): Peru's RUC is the 11-digit taxpayer number issued by SUNAT. Learn what the 10, 15, 16, 17 and 20 prefixes mean and how the check digit is calculated.
- [HABIDO vs NO HABIDO: What SUNAT Address Status Means](https://taxid.halpii.com/guides/habido-vs-no-habido): HABIDO means SUNAT can locate a taxpayer at its fiscal address; NO HABIDO means it cannot. What it means before you pay a Peruvian supplier.
- [How to Verify a Peruvian Supplier Before You Pay](https://taxid.halpii.com/guides/verify-a-peruvian-supplier): A checklist for U.S. AP and procurement teams: confirm the RUC, SUNAT status, HABIDO condition, legal name and bank account before paying in Peru.
- [SUNAT RUC Status Codes Explained in English](https://taxid.halpii.com/guides/sunat-ruc-status-codes): ACTIVO, BAJA DE OFICIO, BAJA DEFINITIVA, SUSPENSION TEMPORAL and every other SUNAT taxpayer status and address condition, explained in English.