# App Store Version Experiment Treatment Localizations Manage the localized assets, including screenshots and previews, for an App Store version experiment treatment. ## Topics ### Endpoints [`GET /v1/appStoreVersionExperimentTreatmentLocalizations/{id}`](/documentation/AppStoreConnectAPI/GET-v1-appStoreVersionExperimentTreatmentLocalizations-_id_) Get information about a specific App Store version experiment treatment localization. [`GET /v1/appStoreVersionExperimentTreatmentLocalizations/{id}/appScreenshotSets`](/documentation/AppStoreConnectAPI/GET-v1-appStoreVersionExperimentTreatmentLocalizations-_id_-appScreenshotSets) Get a list of screenshot sets for a specific App Store version experiment treatment localization. [`GET /v1/appStoreVersionExperimentTreatmentLocalizations/{id}/appPreviewSets`](/documentation/AppStoreConnectAPI/GET-v1-appStoreVersionExperimentTreatmentLocalizations-_id_-appPreviewSets) Get a list of preview sets for a specific App Store version experiment treatment localization. [`GET /v1/appStoreVersionExperimentTreatmentLocalizations/{id}/relationships/appPreviewSets`](/documentation/AppStoreConnectAPI/GET-v1-appStoreVersionExperimentTreatmentLocalizations-_id_-relationships-appPreviewSets) [`GET /v1/appStoreVersionExperimentTreatmentLocalizations/{id}/relationships/appScreenshotSets`](/documentation/AppStoreConnectAPI/GET-v1-appStoreVersionExperimentTreatmentLocalizations-_id_-relationships-appScreenshotSets) [`POST /v1/appStoreVersionExperimentTreatmentLocalizations`](/documentation/AppStoreConnectAPI/POST-v1-appStoreVersionExperimentTreatmentLocalizations) Add a new localization for an App Store version experiment treatment. [`DELETE /v1/appStoreVersionExperimentTreatmentLocalizations/{id}`](/documentation/AppStoreConnectAPI/DELETE-v1-appStoreVersionExperimentTreatmentLocalizations-_id_) Delete localized metatdata that you configured for an App Store Version experiment treatment. ### Objects [`AppStoreVersionExperimentTreatmentLocalization`](/documentation/AppStoreConnectAPI/AppStoreVersionExperimentTreatmentLocalization) The localized screenshots, previews, and text for one treatment variant in an App Store product page A/B experiment. [`AppStoreVersionExperimentTreatmentLocalizationCreateRequest`](/documentation/AppStoreConnectAPI/AppStoreVersionExperimentTreatmentLocalizationCreateRequest) The request body you use to create an App Store version experiment treatment localization. [`AppStoreVersionExperimentTreatmentLocalizationResponse`](/documentation/AppStoreConnectAPI/AppStoreVersionExperimentTreatmentLocalizationResponse) The response body for endpoints that create, read, or modify a localized treatment for an App Store experiment. [`AppStoreVersionExperimentTreatmentLocalizationsResponse`](/documentation/AppStoreConnectAPI/AppStoreVersionExperimentTreatmentLocalizationsResponse) The response body for endpoints that list localized treatments for an App Store version experiment. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)