Vertex AI
/v1beta1/projects/{id}/locations/{id}/extensions* endpoint removal
Stops workingSubscribe to Vertex AIShare
On November 26, 2026, Vertex AI will shut down Vertex AI Extensions. Calls to /v1beta1/projects/{id}/locations/{id}/extensions* will fail after that date.
Calls it hits
/v1beta1/projects/{id}/locations/{id}/extensions*
What to use instead of these calls
Migrate to Agent Platform.
In Vertex AI's words
Vertex AI Extensions is deprecated and will be shut down after November 26, 2026.
Facts
- API
- Vertex AI
aiplatform.googleapis.com - Kind
- Endpoint removal
- Announced
- May 26, 2026
- Takes effect
- November 26, 2026
- Calls after that day
- Fail
- Source
- Announcement
- Last updated
- Verified
- , against Vertex AI's own pages
Questions
When does this change take effect?
Calls to /v1beta1/projects/{id}/locations/{id}/extensions* on Vertex AI stop working on November 26, 2026.
What happens to calls after November 26, 2026?
They fail from that day.
How do I find the calls this hits in my code?
Okapi reads your repository, finds the calls this change hits and opens a pull request with the fix. It never commits to your branches: every change comes as a pull request you review.
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Is your code calling this?
Okapi finds the calls this change hits in your repo and opens the pull request with the fix before November 26, 2026.