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Build apps / themes / APIs with Shoplazza.

Learn how to build apps, design themes, and integrate with our versioned REST API. Whether you're just starting out or shipping to the Shoplazza App Store, our docs cover the full lifecycle.

Build appsDesign themesUse the API
Apps

Extend Shoplazza's core functionality with apps that integrate into the admin, storefront, and checkout.

for admin · checkout · storefrontBuild your first appThemes

Help merchants express their unique brand by building custom themes with liquid.

liquid · json sectionsBuild a themeAPI

A versioned REST API for products, orders, customers, and the rest of Shoplazza's commerce data.

v2026-01 · openapi 3.0Browse the API reference

Developer tools

CLI, SDK, and embedded app tools to streamline your development workflow.

CLIShoplazza CLI

Build, preview, and deploy apps and themes from the command line.

SDKApp Bridge

Embed your app in the Shoplazza admin with session tokens and actions.

LIBAPI libraries

Official SDK and client libraries for multiple languages.

Extend Shoplazza

Add your app to the online store, checkout, and more — without editing merchant code.

EXTTheme extensions

Inject app blocks and embeds into any compatible theme.

CHKCheckout extensions

Insert custom UI at checkout extension targets.

PAYBilling API

Charge merchants with one-time, recurring, or usage-based pricing.

References

API specs, Liquid docs, webhooks, and everything you need while building.

LIQLiquid

Objects, tags, and filters for rendering dynamic storefront content.

APIAjax API

Storefront endpoints for cart, product, collection, and search.

EVTWebhooks

Subscribe to store events and receive real-time notifications.