# Stontato API Documentation

## POST /api/join

Submits an email address to the Stontato Christmas Guestlist.

### Content-Type
`application/x-www-form-urlencoded`

### Fields
- `email` — required, valid email address
- `hp_name` — honeypot, leave blank
- `hp_web` — honeypot, leave blank
- `hp_token` — storefront behavioral token

### Responses
- `200` Successfully registered.
- `400` Invalid or blocked submission.
- `403` Forbidden origin.
- `500` Registration failed. Please try again.