Guides | Developers | Next Commerce

Complete implementations for common campaign page use cases.

Sell Buy 1 / Buy 2 / Buy 3 bundles with automatic cart swapping, per-bundle discount codes, and backend pricing.

Offer optional warranties, insurance, and accessories visitors can toggle on or off, with quantity sync support.

Classic pick-your-option + button pattern: selector cards track the choice, one button adds to cart.

Display a live cart totals block with subtotal, discounts, shipping, and line item breakdown.

Build a complete single-page checkout with address fields, credit card, payment method tabs, billing address toggle, and express checkout.

Split checkout across pages — contact and shipping on step 1, payment on step 2 — with data preserved automatically between steps.