Use access
token
generated from service agent. This can be used to access other Google
Cloud APIs after you grant required roles to
service-<PROJECT-NUMBER>@gcp-sa-dialogflow.iam.gserviceaccount.com.
IdToken
Use ID
token
generated from service agent. This can be used to access Cloud Function
and Cloud Run after you grant Invoker role to
service-<PROJECT-NUMBER>@gcp-sa-dialogflow.iam.gserviceaccount.com.
None
No token used.
Unspecified
Service agent auth type unspecified. Default to ID_TOKEN.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07 UTC."],[[["\u003cp\u003eThe latest version of the Dialogflow v3 API documentation available is 2.23.0, and this page is currently displaying the version 2.22.0.\u003c/p\u003e\n"],["\u003cp\u003eThis page provides documentation for the \u003ccode\u003eWebhook.Types.GenericWebService.Types.ServiceAgentAuth\u003c/code\u003e enum within the \u003ccode\u003eGoogle.Cloud.Dialogflow.Cx.V3\u003c/code\u003e namespace.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eServiceAgentAuth\u003c/code\u003e enum defines different authentication token types, including \u003ccode\u003eAccessToken\u003c/code\u003e, \u003ccode\u003eIdToken\u003c/code\u003e, \u003ccode\u003eNone\u003c/code\u003e, and \u003ccode\u003eUnspecified\u003c/code\u003e, for use with the Dialogflow service agent.\u003c/p\u003e\n"],["\u003cp\u003eThe documentation shows a comprehensive list of previous versions, ranging from 2.23.0 down to 1.0.0, with corresponding links to each version's documentation.\u003c/p\u003e\n"],["\u003cp\u003eThe documentation indicates that \u003ccode\u003eservice-<PROJECT-NUMBER>@gcp-sa-dialogflow.iam.gserviceaccount.com\u003c/code\u003e will require access roles in order to utilize \u003ccode\u003eAccessToken\u003c/code\u003e or \u003ccode\u003eIdToken\u003c/code\u003e.\u003c/p\u003e\n"]]],[],null,[]]