# Application

Your application gets data from SiteMinder — reservations, availability, and pricing — to feed tools like CRM platforms, guest messaging, upselling engines, and self check-in solutions.

> **API used:** 
>
> [**SMX**](/smx-api/smx-api.md) - access to reservation data, availability, pricing, and property information.

***

### What you need to build

#### Core

Core functionality enables your application to receive data in SiteMinder.

* [Reservations](/smx-api/reference/reservations.md)

#### Additional

Additional functionality extends your integration beyond core certification scope.

* [Availability and Rates](/smx-api/reference/availability-and-rates.md)

{% hint style="danger" %}
Availability and Rates data is not yet available for SiteMinder Platform and Little Hotelier properties.
{% endhint %}

→ View the full [SMX API Overview](/smx-api/guides/api-overview.md)

{% hint style="success" icon="sparkles" %}

## Still have questions?

Use the <i class="fa-gitbook-assistant">:gitbook-assistant:</i> **Ask** button at the top of the page to chat with our AI assistant — it can help you navigate the guide, understand requirements, and troubleshoot issues.

If you need more support, visit [Integration Support](/integration-support/integration-support.md).
{% endhint %}


---

# 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://developer.siteminder.com/get-started/integration-types/application.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.