---
title: "Create account and get sandbox API key instantly (no payment required)"
method: POST
path: "/auth/register"
---

# Create account and get sandbox API key instantly (no payment required)

`POST /auth/register`

## Request

- Base URL: `https://developer.usepopup.com/api/v0`
- URL: `https://developer.usepopup.com/api/v0/auth/register`
- Auth: none required

## Request body

- object
  - `email` string, email, required

## Response `201`

Account created with sandbox API key

- RegistrationResponse
  - `data` object
    - `token` string
    - `checkout_url` string, uri
    - `expires_at` string, date-time

---

[API](https://skmtc.dev/usepopup/apis/flowcheck-api.md) · [All operations](https://skmtc.dev/usepopup/apis/flowcheck-api/llms.txt) · [OpenAPI document](https://skmtc.dev/usepopup/apis/flowcheck-api/revisions/fb3e2d989d8e?raw)