---
title: "Space Billing Plan Change"
method: GET
path: "/v1/space/billing/plan-change"
---

# Space Billing Plan Change

`GET /v1/space/billing/plan-change`

## Request

- Base URL: `https://api.app.membase.ai` (the document declares no server; this is the origin it was published from)
- URL: `https://api.app.membase.ai/v1/space/billing/plan-change`
- Auth: none declared

What switching to this plan would do, before the user commits to it: whether it
is an upgrade or a downgrade, the amount due after crediting the unused part of the
current period, and when it takes effect.

## Query parameters

- `plan_id` string, required

## Response `200`

Successful Response

- object

## Other responses

- `422`: Validation Error
- `default`: Error envelope (ADR 0027)

---

[API](https://skmtc.dev/membase/apis/membase-hosted-api.md) · [All operations](https://skmtc.dev/membase/apis/membase-hosted-api/llms.txt) · [OpenAPI document](https://skmtc.dev/membase/apis/membase-hosted-api/revisions/e0ac58cdb320?raw)