Transformando o Brasil em uma API

The BrasilAPI is a collaborative open-source project that centralizes and standardizes essential Brazilian public and business data. It makes information such as postal codes, banks, CNPJs, holidays, and financial indicators available via a unified REST API.

With XPack, BrasilAPI becomes an MCP service — enabling AI Agents to instantly query Brazil’s data ecosystem conversationally.

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📚 API Features

📍 CEP (Postal Codes)

• GET /cep/v1/{cep} → Retrieve address info (street, city, state) for a given ZIP code.
• Supports multiple providers for redundancy (Correios, ViaCEP, etc.).

🏦 Banks

• GET /banks/v1 → List all registered Brazilian banks.
• GET /banks/v1/{code} → Get details for a specific bank by code.

🆔 CNPJ (Company Registry)

• GET /cnpj/v1/{cnpj} → Retrieve company registration data, including name, address, and economic activity (CNAE).

🗓️ Holidays

• GET /feriados/v1/{ano} → List all national holidays for a given year.

💱 Financial Indicators

• GET /taxas/v1 → Access official rates and indicators (SELIC, CDI, etc.).

📚 ISBN

• GET /isbn/v1/{isbn} → Look up book metadata from ISBN codes.

🌐 Domain Info

• GET /registrobr/v1/{domain} → Check availability and registration info for .br domains.

🎨 Miscellaneous

• IBGE data, vehicle info, and other public datasets are available depending on provider updates.

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🚀 Example Use Cases

• 📱 E-commerce Apps — Auto-fill address fields by CEP lookup.
• 📊 Fintech Platforms — Validate bank codes, fetch SELIC/CDI rates, or verify CNPJs.
• 🏛️ GovTech Solutions — Build dashboards combining economic and registry data.
• 🤖 AI Assistants — Answer queries like “What are the holidays in Brazil for 2025?” or “Get info on bank code 237.”

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⚡ Powered by XPack

Normally, developers must integrate each dataset separately. With XPack, BrasilAPI is converted into a single MCP service, making it:

• 🚀 Plug-and-play for AI Agents.
• ⚡ Monetizable via per-call billing.
• 🌍 Part of a growing marketplace of conversational APIs.

👉 Just like BrasilAPI unified Brazilian open data, XPack unifies APIs into AI-ready MCP services. Learn more at XPack.