---
title: "Create Checkout Session"
method: POST
path: "/billing/checkout-session"
tags: ["authenticated", "billing"]
---

# Create Checkout Session

`POST /billing/checkout-session`

## Request

- Base URL: `https://api-docs.upsmith.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api-docs.upsmith.com/billing/checkout-session`
- Auth: one of:
  - API key in header `x-api-key`
  - HTTP bearer

## Headers

- `organization-id` string, nullable
- `x-user-id` string, nullable
- `timezone` string
- `x-actor-email` string, nullable
- `x-request-source` string, nullable
- `x-operation-id` string, nullable
- `x-commit-message` string, nullable
- `x-confirmation-id` string, nullable
- `x-chat-id` string, nullable

## Request body

- CreateCheckoutSessionBody
  - `price_id` string, required
  - `success_url` string, required
  - `cancel_url` string, required
  - `organization_id` string, nullable
  - `trial_days` integer, nullable

## Response `200`

Successful Response

- SessionUrl
  - `url` string, required

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/upsmith/apis/upsmith-api.md) - [All operations](https://skmtc.dev/upsmith/apis/upsmith-api/llms.txt) - [OpenAPI document](https://skmtc.dev/upsmith/apis/upsmith-api/revisions/86e2c2bd93af?raw)