Open your Mautic settings sidebar and click on API credentials.
Create new oAuth2 credentials with the following values:
Name: As you like, e.g., Trello
Redirect URI: https://trello.aivie.ch
Click Save and Close
trello.aivie.ch adding to your CORS-Domains
If you have restricted your CORS Domains (recommended), please add https://trello.aivie.ch to your “Valid Domains” in Mautic > Settings > CORS Settings.
If you enabled CORS just now, make sure your website and other external services can still connect to Mautic.
