> For the complete documentation index, see [llms.txt](https://discontx.arvest.digital/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://discontx.arvest.digital/discountx-stack-combine-popup.md).

# DiscountX: Stack Combine Popup

Applying a discount code correctly at the cart stage is critical to conversion and good customer service, and DiscountX handles it without asking customers to juggle multiple codes at checkout. Customers can enter several discount codes right in the cart or mini-cart, and the app combines them and sums the totals automatically, so the discount is already applied before they even reach checkout.

No custom development needed to get started: install the widget through the theme editor and set your rules, no coding required. For teams who want more control, the popup includes a built-in visual customizer for colors, text, and positioning, and advanced users can further restyle the cart form with optional Custom CSS and JS. Every promo code is validated with the same logic Shopify uses at checkout, so restrictions, eligibility, and totals stay accurate no matter how many codes a customer combines.

<table data-view="cards"><thead><tr><th></th><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><h3><i class="fa-rocket" style="color:$primary;">:rocket:</i></h3></td><td><strong>Getting Started</strong></td><td>Install the widget in your store and get it running in a few minutes.</td><td><a href="/pages/6oolzOYGhG33gRCNSbid">/pages/6oolzOYGhG33gRCNSbid</a></td></tr><tr><td><h3><i class="fa-star" style="color:$primary;">:star:</i></h3></td><td><strong>Features</strong></td><td>Discount stacking, restrictions, exclusions, popups, and statistics.</td><td><a href="/pages/ZeA3MPhNp1A1PfvcKxx3">/pages/ZeA3MPhNp1A1PfvcKxx3</a></td></tr><tr><td><h3><i class="fa-play" style="color:$primary;">:play:</i></h3></td><td><strong>Demo</strong></td><td>Try the app on a live test store before installing it on yours.</td><td><a href="/pages/lOjRmWtovOe7odZK2gMp">/pages/lOjRmWtovOe7odZK2gMp</a></td></tr><tr><td><h3><i class="fa-circle-question" style="color:$primary;">:circle-question:</i></h3></td><td><strong>FAQ</strong></td><td>Quick answers to common merchant questions.</td><td><a href="/pages/OWJY3NnVL9t28uG0bE5W">/pages/OWJY3NnVL9t28uG0bE5W</a></td></tr><tr><td><h3><i class="fa-shield" style="color:$primary;">:shield:</i></h3></td><td><strong>Privacy Policy</strong></td><td>What data the app accesses and how it's used.</td><td><a href="/pages/MSbOlKs1HgNHm2aZ02OH">/pages/MSbOlKs1HgNHm2aZ02OH</a></td></tr></tbody></table>


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