# PATCH /v1/appStoreVersionExperiments/{} is deprecated

App Store Connect API deprecated PATCH /v1/appStoreVersionExperiments/{id} without giving a shutdown date yet.

The PATCH /v1/appStoreVersionExperiments/{id} endpoint has been deprecated without a shutdown date. Calls made to this route will eventually fail. App Store Connect API notes that the Modify an app store experiment v1 endpoint is now deprecated and replaced.

## What to use instead

Use PATCH /v2/appStoreVersionExperiments/{id} instead.

- API: App Store Connect API (api.appstoreconnect.apple.com)
- Kind: Endpoint removal
- Takes effect: no date given yet
- Calls after that day: fail
- Calls it hits: `PATCH /v1/appStoreVersionExperiments/{id}`
- Source: [Announcement](https://developer.apple.com/documentation/appstoreconnectapi/app-store-connect-api-2-4-release-notes.md)
- Verified: November 6, 2026, against App Store Connect API's own pages
- Page: https://www.okapi.bot/providers/app-store-connect-api/breaking-changes/patch-v1-appstoreversionexperiments-is-deprecated/

## App Store Connect API's words

> The Modify an app store experiment v1 endpoint is now deprecated and replaced with Modify an app store experiment.

Okapi finds the calls this change hits in your repo and opens the pull request with the fix: https://github.com/apps/okapi-agent