---
title: "POST /v3/billing/previewUpdateSubscription"
method: POST
path: "/v3/billing/previewUpdateSubscription"
---

# POST /v3/billing/previewUpdateSubscription

`POST /v3/billing/previewUpdateSubscription`

## Request body

- object
  - `planId` string, required
  - `cancelAction` string

## Response `200`

Default Response

- object

## Changes

- **2026-09-18** `e0163b1c37cb` — 1 breaking, 1 info
  - api path removed without deprecation
  - endpoint added

[Change history](https://skmtc.dev/snowseo/apis/snowseo-api/changes/v3/billing/previewUpdateSubscription/post.md)

---

[API](https://skmtc.dev/snowseo/apis/snowseo-api.md) · [All operations](https://skmtc.dev/snowseo/apis/snowseo-api/llms.txt) · [OpenAPI document](https://skmtc.dev/snowseo/apis/snowseo-api/revisions/6f0b6cbb515f?raw)