ADK Vertex AI Issue · AI Developer Accelerator

ADK Vertex AI Issue

Hello, Can someone please help with this issue:

Getting an error when creating a basic agent with GOOGLE_GENAI_USE_VERTEXAI=TRUE

Followed all gcloud cli steps to authenticate and configure project, enable Vertex AI APIs etc.,

HTTP/1.1 401 Unauthorized"

2025-09-17 21:41:46,793 - ERROR - adk_web_server.py:1076 - Error in event_generator: 401 UNAUTHENTICATED. {'error': {'code': 401, 'message': 'API keys are not supported by this API. Expected OAuth2 access token or other authentication credentials that assert a principal.

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