---
title: "Upgrade/downgrade subscription"
method: POST
path: "/subscriptions/v2/change-plan"
tags: ["Subscriptions V2"]
---

# Upgrade/downgrade subscription

`POST /subscriptions/v2/change-plan`

Upgrade/downgrade subscription

## Request body

- object
  - `newPriceIds` object[] — Array of price IDs for updating both user seats and task usage.
    - `priceId` string, required — The Stripe price ID for user seats or tasks usage.
    - `for` 'user seats' | 'tasks usage', required — Indicates whether the price ID is for user seats or task usage.
  - `isUserAcknowledged` boolean

## Response `200`

subscription session

- ResponseMessage
  - `message` string

---

[API](https://skmtc.net/smythos/apis/smyth-api.md) · [All operations](https://skmtc.net/smythos/apis/smyth-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/smythos/smyth-api/versions/1475e078fb4a/schema)