# updateVariant

Endpoint: PUT /memberships/cp/api/subscription-contract-update-variant
Version: 0.0.1

## Query parameters:

  - `contractId` (integer, required)

  - `oldLineId` (string)

  - `oldVariantId` (string)

  - `newVariantId` (string, required)

  - `sellingPlanId` (string)

  - `skipBilling` (boolean)