# API - Commercial

This section contains detailed documentation about the Commercial API, which offers various functionalities related to CNPJ queries, API consumption, and Suframa registration validation. Here are the included files:

* **Consulting CNPJ in the Commercial API**: Guide on how to query CNPJ information in the Commercial API.
* **Consulting Monthly Request Consumption**: Instructions for checking monthly request consumption.
* **Consulting by CNPJ Root**: Explanation on how to query by CNPJ root and return all associated branches.
* **Company Search**: Information on how to perform company searches using filters.
* **Validating Suframa Registration**: Details on validating Suframa registrations.

These files provide usage examples, including code in different languages, and describe the responses returned by the API.