# account42 — app.account42.com

app.account42.com is the application origin of account42, a class booking system for businesses that sell seats at a fixed time. It serves the booking widget (booking.js and the <a42-booking> custom element), every studio's hosted booking page, the v1 JSON API, the connect handshake used by the WordPress, Wix and Shopify apps, and these developer docs. The product, pricing and company pages are on account42.com.

## Developer docs

- https://app.account42.com/docs: account42 for developers. What account42 is to a developer, the sandbox studio, and where the embed, API, webhook and sandbox pages are.
- https://app.account42.com/docs/embed: Embedding the widget. The two tags, the WordPress, Wix and Shopify apps, the connect handshake every platform uses, the origin and Reconnect rules, and how a booking returns to the page.
- https://app.account42.com/docs/api: API reference. Every v1 route with its auth, request and response shape, every error code with its HTTP status, rate limits, idempotency keys and CORS. The route and error tables are generated from the source.
- https://app.account42.com/docs/webhooks: Webhooks. What account42 sends to connectors (nothing, today) and what it receives from Stripe, PayPal, Shopify and Wix.
- https://app.account42.com/docs/sandbox: The sandbox. How to get a key for the sandbox studio, the test cards, the nightly reset, and what is sent for real.
- https://app.account42.com/docs/status: Status. Where account42's status page is and what it checks.
- https://app.account42.com/docs/privacy: Privacy and data retention. What account42 holds about a studio's customers, how long it keeps it, the 24-month and 7-year rules, the Terms acceptance at sign-in, and where the policies are.

## Sandbox

- https://app.account42.com/b/account42-sandbox-3bc6c7: The sandbox studio's hosted booking page: live, Stripe test mode, seeded nightly. Book a class and pay with test card 4242 4242 4242 4242.

## Endpoints

- https://app.account42.com/widget/v1/booking.js: The booking widget. <script src="https://app.account42.com/widget/v1/booking.js" defer></script> then <a42-booking key="a42pk_…"></a42-booking>.
- https://app.account42.com/api/v1/health: Liveness. ?deep=1 also checks the database.
- https://app.account42.com/connect: The consent page of the connect handshake (platform, origin, return, state).

## Elsewhere

- https://account42.com/: The marketing site: what account42 is, features, pricing, industries.
- https://account42.com/llms.txt: Its index for AI visitors.
- https://status.account42.com: Status page.
- https://account42.com/privacy/: Privacy policy.
- https://account42.com/terms/: Terms of service.