# API - Public This section contains documentation about the Public API, which allows querying information about Brazilian companies with specific usage limits. The documents include: * **Consulting CNPJ in the Public API**: Guide on how to query CNPJ information in the Public API. * **Limitations**: Information about the usage limitations of the Public API, such as request limits per minute. * **Validating Suframa Registration in the Public API**: Details on how to validate Suframa registrations using the Public API. These documents are intended for users who need public and limited access to company information. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.cnpj.ws/en/api-reference/api-publica.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.