> ## Documentation Index
> Fetch the complete documentation index at: https://docs.dittofeed.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Data Sources

> Send Dittofeed data about your users and behaviors.

Data sources define the way you send data to Dittofeed, powering your messaging, segmentation and more.

## Available Data Sources

* [Dittofeed's REST API](/integrations/sources/api): Send data directly to Dittofeed's REST API, with [SDK's](/integrations/sdks) available for convenience.
* [Segment.com Integration](/integrations/sources/segment): Use segment.com's customer data platform (CDP) to send data to Dittofeed.
* [Polytomic Integration](/integrations/sources/polytomic): Pull data from databases and data warehouses into Dittofeed using reverse ETL.