# Migration v55

**Breaking change**: this release migrates the usage of Subscription Platform APIs to a new version.
SnP has introduced new API endpoints to replace some existing ones used for Subscription Transitions, Cancellations, and Subscribes. These updates are part of our Zuora Order API migration.
Endpoints updated:
 - From `transitions/subscription/transition` to -> `transitions/subscription/transition/v2`
 - From`transitions/subscriptions/cancel` to `transitions/subscriptions/cancel/v2`

### Including ratePlan and futureRatePlan 

ratePlan and futureRatePlan have been added to the user-subscription model and the subscription type to make the fields available in the mappers.

### Includes accountId in user model

The user model mapper now includes the accountId

### Includes termStartDate in SubscriptionRatePlan class

The SubscriptionRatePlan class and its mapper now includes the field termStartDate