You can use these credentials to authenticate the following nodes with Trello:
Create a Trello account.
Go to the Trello API Key {:target_blank .external-link} portal. The page 404s if you're not signed into Trello.
Copy your API key at the top.
Select generate a Token to create your token. When prompted, allow it all the permissions it asks for.
In Mosaic Workflows, open the Admin Panel (left menu)
Select Credentials > New.
Enter the API key and API token.
Select Save. Mosaic Workflows tests the connection.