Shopify ID Generator (cart/product)

Shopify cart, checkout and order numbers explained

Shopify is the Canadian e-commerce SaaS founded in 2006 in Toronto and IPO'd in 2015, today running over a million stores worldwide. Its data model uses several different identifiers for the same shopping journey, and people frequently confuse them. The cart token is an alphanumeric string of around 32 characters, generated server-side the moment a buyer adds the first item; it persists across page loads via a cookie. The legacy cart ID is a 13-digit numeric reference still returned by some endpoints. The checkout token is a separate identifier, created when the user starts checkout, and the order number is the sequential, customer-facing number assigned after payment — configurable with a prefix and zero padding (e.g. #1001, SHOP-001023).

Storefront API, Hydrogen and Liquid

For developers, Shopify exposes a Storefront API (GraphQL) that powers headless commerce and composable storefronts. Hydrogen is Shopify's official React + Vite framework for headless. Liquid is the server-side templating language used by traditional themes — open-sourced years ago and reused by Jekyll and others. The cart can also be manipulated through the legacy REST endpoint /cart.js, still widely used by themes and apps.

App Store, themes and Shopify Plus

The Shopify App Store hosts more than 13,000 apps — popular ones include Klaviyo (email + SMS), ReConvert (post-purchase upsells), Plug in SEO and Loop Subscriptions. Themes range from the free Dawn theme (the Online Store 2.0 reference implementation) to premium themes priced at US$ 100-380. Shopify Plus is the enterprise tier (starting around US$ 2000/month) with custom checkout flows, Shopify Functions, B2B features and Multipass SSO.

Competitors and Brazilian launch

Direct competitors include WooCommerce (WordPress plugin), BigCommerce, Magento (Adobe Commerce), Wix Stores, Squarespace Commerce and, in Brazil, Nuvemshop. Shopify officially launched in Brazil in 2024 with native BRL, Boleto and PIX support — a major shift for the local market. The average cart abandonment rate across e-commerce is around 70%, which is why recovery emails and web-push notifications are so heavily used.

FAQ

Do carts expire? Yes — Shopify carts expire after roughly 14 days of inactivity. Abandonment recovery flows must hit the user before that window.

Can I recover a cart by its ID? Yes, via the Storefront API or the legacy /cart.js endpoint, as long as the cart has not expired and the buyer's cookie is still valid.

Does Shopify integrate PIX in Brazil? Yes — since the 2024 Brazilian launch, PIX and Boleto are first-class payment methods alongside cards.

Are generated cart/order IDs real? No — they only match Shopify's format (cart token ~32 chars, numeric cart ID, sequential order number). They are useful for designing checkout UIs, app demos and integration tests, but they do not exist in any real store.