# Guides - [API Cheat Sheet](https://chat-sdk.gitbook.io/chat-sdk/guides/api-cheatsheet.md): A quick reference guide to the Chat SDK API - [Best Practices and Troubleshooting](https://chat-sdk.gitbook.io/chat-sdk/guides/best-practices-and-troubleshooting.md) - [Custom Token Authentication](https://chat-sdk.gitbook.io/chat-sdk/guides/custom-token-authentication.md): Authenticate using a server generated JWT token - [Firebase Schema](https://chat-sdk.gitbook.io/chat-sdk/guides/firebase-schema.md): Firebase and Firestream schema - [Custom File Upload Handler](https://chat-sdk.gitbook.io/chat-sdk/guides/custom-file-upload-handler.md): How to upload files to a third party host or server --- # 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://chat-sdk.gitbook.io/chat-sdk/guides.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.