Select the Workspace the Power-Up should have access to.
Leave the iframe connector URL blank.
Enter appropriate contact information.
Select Create.
This should open the Power-Up to the API Key page. (If it doesn’t, open that page.)
Select Generate a new API Key.
Copy the API key from Trello and enter it in your credential.
In your Trello API key page, enter your Stigg base URL as an Allowed origin.
In Capabilities make sure to select the necessary options.
Select the Token link next to your Trello API Key.
When prompted, select Allow to grant all the permissions asked for.
Copy the Trello Token and enter it as the Stigg API Token.
Refer to Trello’s API Introduction for more information on API keys and tokens. Refer to Trello’s Power-Up Admin Portal for more information on creating Power-Ups.