Live availability, re-checked at pay
The proprietary calendar API is queried at payment time (with a short safety cache) so a slot can't be double-sold between browse and book.
travel / production case studyMalta's leading tour operator rebuilt on a mobile-first design system, with a custom checkout against their proprietary booking API.

The proprietary calendar API is queried at payment time (with a short safety cache) so a slot can't be double-sold between browse and book.
Customers pay a deposit to reserve, with the payment session signed and verified — the reservation only completes once the payment and availability both clear.
A coupon engine on the total, and affiliate credit carried through the booking — every existing affiliate URL preserved through the migration, because that is where the bookings come from.
For quad and buggy tours, the checkout validates vehicles against drivers and passengers, shifting the price tier to match — driver-only or driver-plus.
Adult, child and infant counts cross-checked against each tour's rules, validated inline before payment is ever attempted.
A guided quiz — when you'd like to start, preferred time of day — that routes visitors to the right tour instead of a category wall.

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