> For the complete documentation index, see [llms.txt](https://help.openloyalty.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.openloyalty.io/technical-guide/api-fundamentals.md).

# API Fundamentals

- [Overview](https://help.openloyalty.io/technical-guide/api-fundamentals/overview.md)
- [Environments Capabilities](https://help.openloyalty.io/technical-guide/api-fundamentals/environments-capabilities.md): Capabilities, Limitations, and Environment Differences
- [How to Query](https://help.openloyalty.io/technical-guide/api-fundamentals/how-to-query.md): The listing endpoint allows you to sort, filter, and limit the amount of data returned. Below are the guidelines for effectively utilizing these features
- [Scroll Mechanism for Pages](https://help.openloyalty.io/technical-guide/api-fundamentals/scroll-mechanism-for-pages.md)
- [Limits](https://help.openloyalty.io/technical-guide/api-fundamentals/limits.md): This article outlines the technical limits of the Open Loyalty system. Understanding these limits will help you optimize your implementation and use of the platform to ensure smooth operation.
- [Best Practices](https://help.openloyalty.io/technical-guide/api-fundamentals/best-practices.md)


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# Agent Instructions
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## 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, and the optional `goal` query parameter:

```
GET https://help.openloyalty.io/technical-guide/api-fundamentals.md?ask=<question>&goal=<endgoal>
```

`ask` is the immediate question: it should be specific, self-contained, and written in natural language.
`goal` is optional and describes the broader end goal you are ultimately trying to accomplish on behalf of the user. GitBook uses it to tailor the answer towards what is most useful for that goal.

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.