# /v1beta1/projects/{}/locations/{}/extensions* stops working

Calls to /v1beta1/projects/{}/locations/{}/extensions* on Vertex AI (us-central1-aiplatform.googleapis.com) stop working on November 26, 2026.

On November 26, 2026, the provider will shut down Vertex AI Extensions. Calls to /v1beta1/projects/{}/locations/{}/extensions* will fail after that date.

- API: Vertex AI (us-central1-aiplatform.googleapis.com) (us-central1-aiplatform.googleapis.com)
- Kind: Endpoint removal
- Announced: May 26, 2026
- Takes effect: November 26, 2026
- Calls after that day: fail
- Calls it hits: `/v1beta1/projects/{}/locations/{}/extensions*`
- Source: [Announcement](https://docs.cloud.google.com/vertex-ai/docs/release-notes)
- Page: https://www.okapi.bot/providers/vertex-ai-2/breaking-changes/v1beta1-projects-locations-extensions-stops-working/

## What to use instead

Migrate to Agent Platform.

## Vertex AI (us-central1-aiplatform.googleapis.com)'s words

> Vertex AI Extensions is deprecated and will be shut down after November 26, 2026.