---
title: "Start Stripe Checkout for Pro (lifetime, one-time payment)"
method: POST
path: "/api/billing/checkout"
tags: ["Account"]
---

# Start Stripe Checkout for Pro (lifetime, one-time payment)

`POST /api/billing/checkout`

## Request

- Base URL: `https://whenmeet.me`
- URL: `https://whenmeet.me/api/billing/checkout`
- Auth: API key in cookie `__Host-session`

## Response `200`

{ url } — redirect the browser there

- object
  - `url` string, uri

## Other responses

- `401`: unauthenticated (no session or token), or invalid_token (a Bearer token that is malformed, unknown or revoked — never a silent anonymous fallback).
- `409`: already_pro | purchase_pending
- `503`: billing_not_configured

---

[API](https://skmtc.dev/whenmeet/apis/whenmeet-me-api.md) · [All operations](https://skmtc.dev/whenmeet/apis/whenmeet-me-api/llms.txt) · [OpenAPI document](https://skmtc.dev/whenmeet/apis/whenmeet-me-api/revisions/202b80022215?raw)