Integration with Mailchimp
To export to Mailchimp, you need to create an API key. Go to User/Profile:

On the opened page, select Extras/API keys. In the Your API keys section, click Create A Key, provide a name for the key, and click Generate Key.
Copy the API key and specify it when adding the integration in Pixcraft:

After adding the integration, select it from the list and click Export. The browser will open the exported email in the Mailchimp interface.