# Developers Guide

Reality Hub integrates the Reality world with external data sources such as **weather**, **finance**, **elections**, and **sports**. 

Powered by the **web-based dynamic user interface** and **highly customizable tools**, Reality Hub allows you to **define rules for your data**, **organize** the data sources and **customize** them to match your design.

The Developers Guide has the following sections:

{% content-ref url="/pages/5HNfQmATzZ3NmOMwfTSF" %}
[Reality Hub Open-Source SDK](/docs/reality-5.3-sp2/reality-5.3-sp2/developers-guide/reality-hub-open-source-sdk.md)
{% endcontent-ref %}

{% content-ref url="/pages/gF0C3MCr5HzkEsRT8ELj" %}
[REST API](/docs/reality-5.3-sp2/reality-5.3-sp2/developers-guide/rest-api.md)
{% endcontent-ref %}


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# 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://zerodensitydocumentation.gitbook.io/docs/reality-5.3-sp2/reality-5.3-sp2/developers-guide.md?ask=<question>
```

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.