---
title: "Create Checkout"
method: POST
path: "/subscription/checkout"
tags: ["subscription"]
---

# Create Checkout

`POST /subscription/checkout`

## Request

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

Create Stripe Checkout Session for family unit subscription.

Gets or creates family unit, associates Stripe customer with it, returns checkout URL.
Accepts optional billing_period ('monthly' or 'annual') to select price.

## Request body

- CheckoutRequest
  - `billing_period` 'monthly' | 'monthly_pif' | 'annual'

## Response `200`

Successful Response

- CheckoutResponse
  - `url` string, required

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/projectindi/apis/indi-agent-api-first-principles.md) - [All operations](https://skmtc.dev/projectindi/apis/indi-agent-api-first-principles/llms.txt) - [OpenAPI document](https://skmtc.dev/projectindi/apis/indi-agent-api-first-principles/revisions/25a7813e21fd?raw)