New `create_marketplace_app_discount` mutation

🏷️ API version: 2026-04

You can now use the create_marketplace_app_discount mutation to create a marketplace app discount via the API. This mutation can be used for both potential and existing customers.

create_marketplace_app_discount replaces the grant_marketplace_app_discount mutation, which will be deprecated in a future release.

mutation {
  create_marketplace_app_discount_offer(
    app_id: "12345"
    account_slug: "my-company"
    discount_data: {
      discount: 20
      days_valid: 30
      period: MONTHLY
      app_plan_ids: ["plan_001"]
    }
  ) {
    granted_discount {
      app_id
      app_plan_ids
      discount
      period
    }
  }
}