---
title: "Upgrade Subscription"
method: POST
path: "/v1/billing/upgrade"
tags: ["billing"]
---

# Upgrade Subscription

`POST /v1/billing/upgrade`

## Request

- Base URL: `https://api.usekeel.io` (the document declares no server; this is the origin it was published from)
- URL: `https://api.usekeel.io/v1/billing/upgrade`
- Auth: none declared

Upgrade an existing subscription in-place with proration.

Modifies the Stripe subscription's price and updates the org's plan
immediately. The prorated difference is charged to the customer.

## Headers

- `Authorization` string, nullable
- `X-Org-Id` string, nullable

## Request body

- UpgradeRequest
  - `plan` string, required
  - `billing_cycle` string

## Response `200`

Successful Response

- UpgradeResponse
  - `plan` string, required
  - `status` string, required

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/usekeel/apis/keel-api.md) · [All operations](https://skmtc.dev/usekeel/apis/keel-api/llms.txt) · [OpenAPI document](https://skmtc.dev/usekeel/apis/keel-api/revisions/3191ca10b0ab?raw)