> For the complete documentation index, see [llms.txt](https://docs.chord.co/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.chord.co/connect-sources/data-sources.md).

# Data sources

## Data sources

Data sources are the origins from which Chord collects and processes your business data. By connecting your data sources to the Chord data platform, you can centralize information from across your tech stack and make it available for analytics, modeling, and activation.

Chord supports a growing list of connectors for SaaS applications, e-commerce platforms, advertising networks, and databases. Once connected, data from these sources is extracted, transformed, and loaded into the platform on a scheduled basis.

## What's in this section

Got it! Here's the updated **What's in this section** block based on the actual content of each page:

**What's in this section**

* **Connect data sources** — Learn how to add and manage data source connectors in the Chord platform, including setup steps, supported connectors, and troubleshooting guidance.
* **Ads module** — Overview of the ads explore for building custom reports and analyzing ad spend alongside Chord's marketing attribution data.
* **Messaging module** — Overview of the messaging explore for tracking campaign sends, opens, clicks, and subscription rates.
* **Sales channel module** — Organize and analyze revenue data across all your sales channels, including DTC storefronts, third-party marketplaces, and retail partnerships via Amazon Selling Partner. (Note: This module is only available for Shopify OMS brands.)
* **Subscriptions module** — Analyze subscription performance using Chord's suite of subscription explores. Covers metrics like churn, retention, LTV, and subscriber growth.
* **E-commerce data ingestion** — Learn how Chord ingests data from non-Shopify e-commerce platforms like Magento, BigCommerce, and Salesforce Commerce Cloud, including data mapping and sync details.


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