# 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. ![](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! --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.getmesa.com/connect/returnly.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.