> For the complete documentation index, see [llms.txt](https://docs.getmesa.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.getmesa.com/connect/returnly.md).
# Returnly
### Authenticate
When you're setting up your first workflow with Returnly, you'll need to add your **API key** so that Returnly is a connected app within MESA.
To locate the **API key**, click on **Integration Tools** within the [Returnly dashboard](https://dashboard.returnly.com/dashboard/tools/api_token).
In the **API Token** tab, you can find your account's **API token**. Click on the copy icon to copy and paste the value into your workflow's Returnly **API Key** field.
Click **Add Connection** and you are all set! You can now re-use the newly created connection and select it for your future workflows!
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