---
title: "Post Billing Packs Checkout"
method: POST
path: "/v1/billing/packs/checkout"
tags: ["billing"]
---

# Post Billing Packs Checkout

`POST /v1/billing/packs/checkout`

## Request

- Base URL: `https://api.lithtrix.ai` (the document declares no server; this is the origin it was published from)
- URL: `https://api.lithtrix.ai/v1/billing/packs/checkout`
- Auth: none declared

**Deprecated (D173/D174)** — fixed pack checkout retired in favor of slider credits.

Route and Stripe helpers retained for historical webhook rows only.

## Headers

- `authorization` string, nullable

## Request body

- PackCheckoutRequest: Credit pack selection for Stripe Checkout (one-time payment).
  - `pack` 'spark' | 'sprint' | 'mission' | 'deploy', required: Pack code: "spark" ($5), "sprint" ($25), "mission" ($50), "deploy" ($100).

## Response `200`

Successful Response

- PackCheckoutResponse: Hosted Stripe Checkout URL for the pack purchase.
  - `checkout_url` string, required

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/lithtrix/apis/lithtrix-api.md) · [All operations](https://skmtc.dev/lithtrix/apis/lithtrix-api/llms.txt) · [OpenAPI document](https://skmtc.dev/lithtrix/apis/lithtrix-api/revisions/be5de51bf4f8?raw)