# Returnly

### Authenticate <a href="#connect" id="connect"></a>

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.

![](https://3425906282-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F1H6u1HQc3Iew7ATmmiCi%2Fuploads%2Fgit-blob-c883dd007acc5b499191499a0e0fbd18a6c2ffef%2Ffile-mfy56mekvm.png?alt=media)

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.

![](https://3425906282-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F1H6u1HQc3Iew7ATmmiCi%2Fuploads%2Fgit-blob-d524ded479954089e57eb8fb5f9a4a902f512bce%2Ffile-vrmivzpyss.png?alt=media)

Click **Add Connection** and you are all set! You can now re-use the newly created connection and select it for your future workflows!