> For the complete documentation index, see [llms.txt](https://help.fulfilleo.solvenium.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.fulfilleo.solvenium.com/readme.md).

# What is Fulfilleo?

Fulfilleo is an app that automatically imports order tracking numbers from your supplier to your Shopify store.

You can use Fulfilleo to integrate with

* a dropshipping provider
* a fulfillment service
* a print-on-demand service

The app is able to integrate with nearly any external system.

Supported integration channels:

* Email
* [FTP](/settings/ftp.md)
* [HTTP](/settings/http.md)
  * REST API
  * SOAP API
  * Feed URL

Supported data formats:

* [CSV](/data-mapping/update-order-tracking-from-csv.md)
* [JSON](/data-mapping/update-order-tracking-from-json.md)
* [Text](/data-mapping/update-order-tracking-from-text.md)
* XLS
* [XML](/data-mapping/update-order-tracking-from-xml.md)