Use Gmail Settings API with HTTP Make an OAuth 2.0 Request to get Signatures

This question was asked a couple of days ago, could you refer to this for additional information?

The endpoint is users.settings.sendAs.get and the scope is

and the Google OAuth instructions are as follows:

1a. Enable the relevant API

Direct Link: Google Cloud console

1b. Add the relevant scopes

Direct Link:

2. Insert all the known Google Redirect URIs for your app

Direct Link:

How to create an OAuth app in GCP: ← FOLLOW THIS

Here are all the known redirect URIs you need for your Google Cloud Console OAuth app. If you set these up, you can reuse the same GCP app for other Google apps and modules on Make.

Once you’ve set these up, you can use/reuse the same Make connection for all the supported Google apps & modules on Make - you’ll only have to enable the respective APIs for your custom app in Google Cloud.

3. Publish your GCP OAuth2 app

Direct Link:

You might need to set your OAuth application to “Production”, otherwise the credentials expire very frequently.

1. To do this, go to menu item “OAuth consent screen”

or click here

2. Then click the button below if the Publishing status is not “In production”

4. Configure the HTTP OAuth2 module

You need a “Authorize parameters” key of redirect_uri with the above Make OAuth2 callback URL.

You can find the Client ID and Client Secret in the OAuth2 app you created in GCP, on the right-hand side of where you inserted the 8 callback URLs in step 2: