# Developer Documentation - [Crypto link](https://www.happ.su/main/dev-docs/crypto-link.md) - [Limited Links](https://www.happ.su/main/dev-docs/limited-links.md) - [HWID Links](https://www.happ.su/main/dev-docs/hwid-links.md) - [App management](https://www.happ.su/main/dev-docs/app-management.md): Manage application settings through the subscription - [Provider ID](https://www.happ.su/main/dev-docs/provider-id.md) - [Routing](https://www.happ.su/main/dev-docs/routing.md) - [Displaying flags and smileys](https://www.happ.su/main/dev-docs/emoji.md) - [Examples of links and parameters](https://www.happ.su/main/dev-docs/examples-of-links-and-parameters.md): This document contains a description of supported protocols, methods for adding them, and detailed instructions for configuring connection parameters. - [Ping](https://www.happ.su/main/dev-docs/ping.md) - [Android TV API](https://www.happ.su/main/dev-docs/android-tv-api.md) --- # 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://www.happ.su/main/dev-docs.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.