---
title: Create an app store version experiment treatment
framework: appstoreconnectapi
role: symbol
role_heading: Web Service Endpoint
path: appstoreconnectapi/post-v1-appstoreversionexperimenttreatments
---

# Create an app store version experiment treatment

Add a new treatment to an App Store version experiment.

## URL

POST https://api.appstoreconnect.apple.com/v1/appStoreVersionExperimentTreatments

## Response Codes

201 Created: 400 Bad Request: 401 Unauthorized: 403 Forbidden: 409 Conflict: 422 : 429 :

## See Also

### Endpoints

- [List all treatments for an app store experiment](appstoreconnectapi/get-v2-appstoreversionexperiments-_id_-appstoreversionexperimenttreatments.md)
- [List treatment IDs for an app store version experiment](appstoreconnectapi/get-v2-appstoreversionexperiments-_id_-relationships-appstoreversionexperimenttreatments.md)
- [Read app store version experiment treatment information](appstoreconnectapi/get-v1-appstoreversionexperimenttreatments-_id_.md)
- [List all localizations for an app store version experiment treatment](appstoreconnectapi/get-v1-appstoreversionexperimenttreatments-_id_-appstoreversionexperimenttreatmentlocalizations.md)
- [List localization IDs for an App Store version experiment treatment](appstoreconnectapi/get-v1-appstoreversionexperimenttreatments-_id_-relationships-appstoreversionexperimenttreatmentlocalizations.md)
- [Modify an app store version experiment treatment](appstoreconnectapi/patch-v1-appstoreversionexperimenttreatments-_id_.md)
- [Delete a treatment for an app store version experiment](appstoreconnectapi/delete-v1-appstoreversionexperimenttreatments-_id_.md)