Attach: Upsell & Cross‑Sell

Attach shows merchant-selected upsell and cross-sell products across the buying journey — on product pages, in the cart, and after checkout at post-purchase. You choose exactly which products each one shows, with a variant selector and compare-at pricing, so shoppers see relevant, complementary items rather than generic suggestions.The post-purchase step adds an accepted item to the existing order in one click, with no re-entered payment and no second order. When no product is configured for a