Free CNPJ Lookup: Brazilian Company Data via AI

Free CNPJ Lookup: Brazilian Company Data via AI

This AI agent skill enables free access to detailed information about Brazilian companies through public open-data CNPJ APIs, including BrasilAPI, minhareceita.org, and ReceitaWS. Users can retrieve data such as "razao social" (legal name), "nome fantasia" (trade name), "situacao cadastral" (registration status), CNAE activity codes, natureza juridica (legal nature), capital social (share capital), company addresses, and the QSA partner list, which includes shareholders and administrators. This data is sourced from the Receita Federal's public open dataset and requires no API key, providing a streamlined approach to Brazilian company verification.

What this skill does

• Initiates a lookup of Brazilian companies using their CNPJ from public open-data APIs.
• Extracts and displays essential company information including legal and trade names, registration status, and activity codes.
• Provides details on a company's legal nature and share capital.
• Accesses and lists partners or administrators via the QSA listing.
• Uses open endpoints to provide data without the need for paid services or API keys.

Who it is for

• KYB (Know Your Business) analysts performing due diligence on Brazilian companies.
• Developers and teams employing AI coding agents such as Claude Code, Cursor, and Codex for business verification tasks.
• Business professionals involved in counterparty verification and partner discovery in Brazilian markets.

Use cases

• Verify the activity status and legitimacy of potential business partners in Brazil.
• Gather foundational information on Brazilian companies for due diligence reports.
• Identify and confirm partners and administrators of Brazilian entities.

Technical details

• Integrates with CNPJ APIs: BrasilAPI, minhareceita.org, and ReceitaWS.
• Part of the AI agent capability package, compatible with Claude Code, Cursor, and Codex.
• Operates on public open-data sets requiring no paid services or authentication.

This provides general workflow assistance only and is not legal, tax, accounting or financial advice.

Source & Licence

This package is built on open-source work published by Nolpak14 (Nolpak14/getregdata) and distributed under MIT. The original licence text and copyright notice are included in your download.

Personal and commercial use, modification and redistribution are permitted, provided the original copyright and licence notice are retained.

Your purchase covers curation, licence verification, packaging, documentation and instant delivery. It does not grant exclusive rights to the underlying open-source code, which remains available under its original licence.

Delivery & Support

• Delivery: instant — a secure download link is emailed to you as soon as payment is confirmed.
• Format: ZIP archive containing the skill files, documentation and the original licence.
• Support: support@mcpcart.com — we aim to reply within 2 business days.
• Updates: updates are included only where stated on this page.

Refunds

This is a digital product delivered immediately after purchase. By completing your order you request immediate delivery and acknowledge that, once the download has been accessed, the statutory right to cancel no longer applies to the extent permitted by law. Refund requests are handled in accordance with our published Refund Policy.

Claude, Codex, Gemini and Cursor are trademarks of their respective owners. MCP Cart is an independent marketplace and is not affiliated with, endorsed by, or sponsored by any of them. Compatibility references describe interoperability only.