CNPJAPI

CNPJ Lookup for ERP

Outdated or incomplete customer and supplier records cause rework, tax errors, and invoices issued to a company with irregular status. CNPJAPI solves this by filling in and validating those records with official Receita Federal data, right in your ERP's workflow.

The problem

  • Manual entry of company name, address, and business activity, prone to error.
  • Suppliers and customers with irregular registration status going unnoticed.
  • Lack of standardization of data across ERP modules.

How the API solves it

When registering or updating a company, the ERP looks up the CNPJ and gets the data ready to save:

  • Company name and trade name
  • Registration status (active, closed, unfit, ...) to block irregular records
  • CNAE (primary and secondary activity)
  • Full address and contact
  • Shareholder structure (QSA) and legal nature

One call per CNPJ, JSON response. See the field dictionary and the integration guides.

Where to start

  1. Generate your API key at https://app.cnpjapi.com.br (see Authentication).
  2. In the ERP's partner registration, trigger the lookup by CNPJ and save the returned fields.
  3. For large batches, look up in batch while respecting the rate limit.

Create your free account and integrate in minutes.