# Developer Guide - [Generate an API Key](https://docs.propulsionhq.com/developer-guide/generate-an-api-key.md): To use the PropulsionAI services, you need an API key. Follow these steps to generate one - [Install PropulsionAI](https://docs.propulsionhq.com/developer-guide/install-propulsionai.md): You can interact with PropulsionAI either through our SDKs or directly via the REST API. - [Chat](https://docs.propulsionhq.com/developer-guide/chat.md): To perform a basic chat completion: - [Function Calling](https://docs.propulsionhq.com/developer-guide/function-calling.md): To perform a function calling: - [Knowledge base](https://docs.propulsionhq.com/developer-guide/knowledge-base.md): To use a private, secure and encrypted Knowledge base: - [Support](https://docs.propulsionhq.com/developer-guide/support.md): We're here to assist you with any questions or issues you may have. --- # 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.propulsionhq.com/developer-guide.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.