How to create Google OAuth2 API

1. Go to https://console.cloud.google.com

2. Sign in
   

3. Country

4. Checkbox

5. Click - Agree and continue
   

6. Click - Select a project
   

7. Click - New Project or Select existing project
   

8. Search - OAuth

9. Click - OAuth consent screen
   

10. For new user

11. Click - Get started
    

12. App name

13. User support email

14. Click - Next
    

15. Choose - External

16. Click - Next
    

17. Email addresses

18. Click - Next
    

19. Checkbox

20. Click - Create
    

21. Click - Clients

22. Click - Create client
    

23. Application type - Web Application

24. Name

25. Click - Add URI (Authorized redirect URIs)
    

26. URIs 1 - https://[host]/rest/oauth2-credential/callback

27. Click - Create
    

28. Copy - Client ID

29. Copy - Client secret

30. Click - OK
    

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Product API

1. Enable - Gmail API
2. Enable - Google Drive API
3. Enable - Google Docs API
4. Enable - Google Sheets API
5. Enable - Google Slides API
6. Enable - Google Calendar API
7. Enable - Google Tasks API
8. Enable - Contacts API