Client is unauthorized to retrieve access tokens using this method Gmail API C#

by

The service account needs to be authorized or it cant access the emails for the domain.

“Client is unauthorized to retrieve access tokens using this method”

Means that you have not authorized it properly check Delegating domain-wide authority to the service account

More Related Contents:

  1. How Google API V 3.0 .Net library and Google OAuth2 Handling refresh token
  2. How to programmatically remove a file from “share with me” in Google drive
  3. Smtp authentification required [duplicate]
  4. Sending email in .NET through Gmail
  5. Sending email through Gmail SMTP server with C#
  6. Gmail Error :The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.5.1 Authentication Required
  7. change sender address when sending mail through gmail in c#
  8. C# SmtpClient class not able to send email using gmail
  9. SmtpClient with Gmail
  10. Can’t auth to Gmail smtp via MailMessage & smtpClient
  11. Accessing Google Spreadsheets with C# using Google Data API
  12. GMail SMTP via C# .Net errors on all ports
  13. Reading emails from Gmail in C#
  14. Can we access GMAIL API using Service Account?
  15. Adding an attachment to email using C#
  16. GoogleWebAuthorizationBroker.AuthorizeAsync Hangs
  17. Google Weather API 403 Error [duplicate]
  18. Use Google Analytics API to show information in C#
  19. Validate Google Id Token
  20. SmtpClient: A connection attempt failed because the connected party did not properly respond after a period of time
  21. Google+ API: How can I use RefreshTokens to avoid requesting access every time my app launches?
  22. Google.GData.Client.GDataRequestException – Authentication suddenly fails in old code
  23. How to create a instance of UserCredential if I already have the value of Access Token?
  24. How to send an e-mail with C# through Gmail
  25. The source was not found, but some or all event logs could not be searched. Inaccessible logs: Security [duplicate]
  26. Get property of generic class
  27. Do I need to Dispose a SemaphoreSlim?
  28. How to remove additional padding from a WPF TextBlock?
  29. Use of ArgumentNullException when accessing arguments’ properties
  30. How do I get a C# WebBrowser control to show jpeg files (raw)?

Leave a Comment