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Power Platform Community / Forums / Power Automate / Custom Connector Authe...
Power Automate
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Custom Connector Authentication Request Works in Connector Testing, but does not work in Workflow

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I am facing an issue with power automate.
I created a custom connection and it works fine in testing.
I can make the request and receive output.
However, when I try to make a request using this custom connector inside a workflow the process is not successful.
It returns an error saying that the 'Action Failed' with either a 401 or 403 errors.

I have looked into all credentials and the request should include all necessary information. 

Which is very strange because I am using the same auth authentication method and the same authorization token & account id.
I even tried creating a new connection on the spot inside the connector.
When the new window opened it showed that the authentication & connection request was successfully made and a new connection was created.

What could be causing this issue?
Why is this connection failing every time it becomes part of the workflow?


I am using oAuth 2.0 and I include scope https://www.googleapis.com/auth/adwords is already included in my oauth request.

I deleted all the available connections and created a new connection, but once again while the request from inside the custom connector settings works it does not work as expected when inside the workflow.


The login-customer-id points to a test account. This whole process worked fine yesterday. However, it no longer works when called upon inside this flow.
The developer token is not yet approved as basic. I am using it with the test account and trying to retrieve the data from there.
 
Yesterday the workflow worked fine, but today I just tried testing the same workflow that worked yesterday and it simply stopped.

 
I would really appreciate some support in the matter.
 
Best regards
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