---
title: "Preview the Stripe subscription change"
method: POST
path: "/zephr/payment/stripe/subscription/{subscriptionId}/change-previews"
tags: ["Stripe Payments"]
---

# Preview the Stripe subscription change

`POST /zephr/payment/stripe/subscription/{subscriptionId}/change-previews`

Generates a preview of the invoice that Stripe will create for the customer if their
subscription is changed to a new plan. The invoice will be a prorated invoice for the
price difference between current and new subscription plans for the remainder of the current billing period.
The invoice will be billed immediately upon changing subscription.
The invoice amount may be negative if the customer is changing to a lower-priced plan.

**Note**: This method does not modify the user's subscription.

## Path parameters

- `subscriptionId` string, required

## Request body

- object
  - `plan_id` string, required — The new Stripe price plan ID.

## Response `200`

OK

## Other responses

- `400` — Bad Request
- `401` — Unauthorized

---

[API](https://skmtc.net/zuora/apis/public-api-reference.md) · [All operations](https://skmtc.net/zuora/apis/public-api-reference/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/zuora/public-api-reference/revisions/0400dd83950b/schema)