Gmail API

[Mr.Rubi]

I spent a whole week struggling with the Gmail API, but without success.

My task:

• create a mailbox with a custom domain;
• connect to this mailbox via Gmail API using service account.

What I did:

1. Created an account in Google Workspace (14 days free of charge) and verified the domain by receiving a work mailbox with a custom domain:

   

2. Gave the account the rights of the owner:

3. Created a project within the organization:

   

4. Created a service account in the project:

   

5. Added a key:

   

6. Added Gmail API to the project:

   

7. In Google Workspace, I added delegation of access to data in the domain:

   

8. Created a JWT token in a Wappler with full access to gmail:

   

9. Created OAuth2 provider:

   

10. Created an API action with a request for a list of messages:

    

However, I always get an error:

I note that I can easily recreate this manual without any errors:

Google Service Account Authorization with JWT

Some of the Google API libraries require authorization using a Service Account. Thanks to the JWT authorization options added to Oauth2 Provider in Wappler now you can use your Google Service Account to connect to different APIs. Google Service Account You need to have a Service Account set up in Google Cloud Platform. Open https://console.developers.google.com/ and click Credentials: [Screenshot_59] Then click Create Credentials: [Screenshot_60] And select Service Account: [Screensh…

Also, I have already read all the guides from google a hundred times and done everything that was indicated in them.

@Teodor, @psweb, @patrick what could I have missed?

I would be very grateful for any help to the community.