Steps to configure Connect REST to act on OAuth protected resource :1) Create OAuth Client instance :

2) Create Authentication Profile instance :

3) Create Connect REST instance. Enable authentication flag.

4) Create a test activity to invoke Connect REST rule with POST as Method of invocation and Endpoint URL as https://api.twitter.com/1.1/account/settings.json?lang=en.

5) Execution results. 200 as status code and mapped base-64 encoded response.

6) Test Connectivity result after filling the Endpoint URL location in Connect REST instance.