---
title: "Changes to Start Subscription Checkout"
method: POST
path: "/api/v1/billing/checkout/subscription"
---

# Changes to Start Subscription Checkout

`POST /api/v1/billing/checkout/subscription`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 3 of 30 revisions.

- **2026-09-18** `73f618ba0a7e` — 1 warning
- **2026-09-16** `95495ef535bc` — 3 info
- **2026-09-15** `499d0b94aa94` — 1 info

## Changes

- **2026-09-18** `73f618ba0a7e` — 1 warning
  - added the new `price_not_found` enum value to the `code` response property for the response status `503`
- **2026-09-16** `95495ef535bc` — 3 info
  - the `code` response property const value `subscription_already_live` was added for the status `409`
  - removed the `no_paid_plan` enum value from the `code` response property for the response status `409`
  - removed the `subscription_already_live` enum value from the `code` response property for the response status `409`
- **2026-09-15** `499d0b94aa94` — 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/maia-analytics/apis/maia-api/docs/api/v1/billing/checkout/subscription/post.md) · [API](https://skmtc.dev/maia-analytics/apis/maia-api.md) · [Page](https://skmtc.dev/maia-analytics/apis/maia-api/changes/api/v1/billing/checkout/subscription/post)