# Revenue Management System (RMS)

Your RMS sends rate and restriction updates to SiteMinder, which distributes them across all connected booking channels. Optionally, your RMS can also receive reservation data from SiteMinder to feed pricing models.

> **API used:**
>
> [**pmsXchange**](/pmsxchange-api/pmsxchange-api.md) - rate and restriction updates.\
> [**SMX**](/smx-api/smx-api.md) - reservation data access (optional).

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**RMS integrations require a pilot property before going live.**

A single property is connected to production to validate that everything works correctly in a live environment before scaling to additional properties.
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***

### What you need to build

#### Core

Core functionality enables your RMS to update pricing data in SiteMinder.

* [Rooms and Rates (SM → PMS](/pmsxchange-api/reference/rooms-and-rates/sm-to-pms.md))
* [Rates OBP or PDP (PMS → SM)](/pmsxchange-api/reference/rates/pms-to-sm.md)

#### Additional

Additional functionality enhances pricing strategies by incorporating more data inputs.Additional functionality enhances pricing strategies by incorporating more data inputs.

* [Restrictions (PMS → SM)](/pmsxchange-api/reference/restrictions/pms-to-sm.md)
* [Reservations](/smx-api/reference/reservations.md) (via [SMX](/smx-api/smx-api.md))

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

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

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## 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).
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