---
title: "Create a Stripe Checkout session for a paid API key subscription"
method: POST
path: "/api-keys/subscribe"
---

# Create a Stripe Checkout session for a paid API key subscription

`POST /api-keys/subscribe`

## Request body

- object
  - `email` string, email, required
  - `plan` 'unlimited', required

## Response `200`

Stripe Checkout URL and activation URL

## Other responses

- `503` — Stripe is not configured

## Changes

- **2026-08-02** `3cefca8a4968` — 3 breaking, 2 info
  - removed the enum value `pro` of the request property `plan`
  - removed the enum value `scale` of the request property `plan`
  - removed the enum value `starter` of the request property `plan`
  - the `plan` request property default value changed from `starter` to `unlimited`
  - …1 more

[Change history](https://skmtc.dev/nothumansearch/apis/not-human-search-api/changes/api-keys/subscribe/post.md)

---

[API](https://skmtc.dev/nothumansearch/apis/not-human-search-api.md) · [All operations](https://skmtc.dev/nothumansearch/apis/not-human-search-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/nothumansearch/not-human-search-api/revisions/129e69d16c7f/schema)