For Authorization against an API with oAuth 2.0 Bearer Token, you can use the following guideline.
Preparation – Setup Identity Provider
Create new Login Method
To pass your oAuth 2.0 Bearer Token to an Connector Call, you have to setup a new Login Method
It is important, that you choose the right Identity Provider in the DropDown Authentication Client.
Assigning Login Method to Connector
After you created the Login Method, you have to assign it to your connector.
Result
As a Result, Simplifier will add the following information in every Connector Call in the HTTP Header
Authorization: Bearer <Your Token>