Storefront API — v1
The Storefront API is now publicly available. It covers the full
customer-facing booking flow:| Domain | Key endpoints |
|---|
| Products | List services, collections, variants |
| Staff members | List staff, per-staff availability |
| Locations | Multi-location support |
| Appointments | Real-time slot availability |
| Cart | Create and manage a booking cart |
| Checkout | Initiate and confirm checkout |
| Payments | Stripe-backed deposits and full payments |
| Customer self-service | View, reschedule, and cancel bookings |
| Webhooks | Signed event delivery (coming soon) |
Base URL: https://api.opencals.com · Authentication: Authorization: Bearer sfk_…The API is versioned via the X-Api-Version header. See the
full endpoint catalog.Last modified on June 21, 2026