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Dialogflow connection failed

1 minuteread

If you are getting “Connecton Failed.” message for “Test Dialogflow Connection” button that means there could be any of these following problems.

  • Necessary IAM permission for your google service account is missing
  • Wrong setup of Dialogflow API V2

Owner permission for your service account is required.

Please see the below video for creating a google Service Account with owner permission and create a dialogflow agent with this Service Account.


Please see the below video for setup the dialogflow API V2 connection for the newly created agent above.