---
title: "Portal Change Preview"
method: POST
path: "/v1/portal/billing/subscription/change/preview"
tags: ["portal-billing"]
---

# Portal Change Preview

`POST /v1/portal/billing/subscription/change/preview`

## Request

- Base URL: `https://app.mrtrades.com` (the document declares no server; this is the origin it was published from)
- URL: `https://app.mrtrades.com/v1/portal/billing/subscription/change/preview`
- Auth: none declared

## Headers

- `x-api-key` string, nullable
- `authorization` string, nullable

## Request body

- ChangeBody
  - `price_id` integer, required
  - `reason` string, nullable

## Response `200`

Successful Response

- object

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/mrtrades/apis/mtdp-api.md) · [All operations](https://skmtc.dev/mrtrades/apis/mtdp-api/llms.txt) · [OpenAPI document](https://skmtc.dev/mrtrades/apis/mtdp-api/revisions/ba2bad6ca261?raw)