App UI references

Shopify apps can appear across multiple surfaces in the Shopify platform. Each surface has its own set of available APIs and components.

Apps use Polaris, Shopify's unified UI framework built on web components, to deliver a consistent experience across the platform.

Info

For an overview of all surfaces and how to build apps for them, refer to App surfaces.

App Home

Build your app's main page in Shopify admin using App Bridge and Polaris.

Admin UI extensions

Add custom actions and blocks from your app to resource pages in the Shopify admin, including products, orders, and customers.

Checkout UI extensions

Build custom functionality that merchants can install at defined points in the checkout flow, including product information, shipping, payment, order summary, and Shop Pay.

Customer account UI extensions

Build custom functionality that merchants can install at defined points on the order index, order status, and profile pages in customer accounts.

POS UI extensions

Build custom functionality that merchants can install at defined points in the Shopify Point of Sale (POS) app, including the smart grid, cart, and post-purchase screens.

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