---
title: "Checkout"
method: POST
path: "/api/parent/billing/checkout"
---

# Checkout

`POST /api/parent/billing/checkout`

## Request

- Base URL: `https://app.cardinalsquare.com` (the document declares no server; this is the origin it was published from)
- URL: `https://app.cardinalsquare.com/api/parent/billing/checkout`
- Auth: none declared

## Request body

- CheckoutSelection
  - `student_id` string, required
  - `subject` 'english' | 'math' | 'reading-writing'

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/cardinalsquare/apis/cardinal-square.md) - [All operations](https://skmtc.dev/cardinalsquare/apis/cardinal-square/llms.txt) - [OpenAPI document](https://skmtc.dev/cardinalsquare/apis/cardinal-square/revisions/7ff01aa4760f?raw)