Trello Authentication

Does Trello only support OAuth 1 authentication for interacting with the API? I’m trying to use Workato to integrate Trello and Google Sheets and am using Workato’s universal HTTP connector because their built-in connector for Trello does not pick up custom fields. Could I use a Basic Authentication to interact with Trello’s API?

Attached are screenshots of my authentication options in Workato.



There are also these last couple authenticators as options: