shopify-developer

Complete API integration guide for Shopify including GraphQL Admin API, REST Admin API, Storefront API, Ajax API, OAuth authentication, rate limiting, and webhooks. Use when making API calls to Shopify, authenticating apps, fetching product/order/customer data programmatically, implementing cart operations, handling webhooks, or working with API version 2025-10. Requires fetch or axios for JavaScript implementations.

Custom Shopify app development using Shopify CLI, app architecture, OAuth authentication, app extensions, admin UI, Hydrogen/Remix frameworks, and deployment. Use when creating Shopify apps, setting up Shopify CLI, building app extensions, implementing OAuth flows, creating admin UI components, working with Hydrogen or Remix, deploying to Cloudflare Workers, or integrating third-party services with Shopify stores.

Complete debugging and troubleshooting guide for Shopify including Liquid errors, theme preview debugging, API error handling, JavaScript console debugging, network request inspection, cart issues, checkout problems, and common error codes. Use when debugging Liquid syntax errors, troubleshooting theme rendering issues, fixing API errors, debugging JavaScript, investigating cart problems, or resolving webhook failures.

Complete Liquid templating language reference including syntax, filters, objects, control flow, loops, and conditionals for Shopify themes. Use when working with .liquid files, creating theme templates, implementing dynamic content, debugging Liquid code, working with sections and snippets, or rendering product/collection/cart data in Shopify stores.

Performance optimization for Shopify stores including theme speed optimization, image optimization, JavaScript and CSS minification, lazy loading, CDN usage, caching strategies, Liquid template performance, and Core Web Vitals improvement. Use when optimizing store speed, reducing load times, improving Lighthouse scores, optimizing images, implementing lazy loading, reducing JavaScript bloat, or improving Core Web Vitals metrics (LCP, FID, CLS).

Complete theme development guide including file structure, JSON templates, sections, snippets, settings schema, and Online Store 2.0 architecture. Use when creating Shopify themes, organizing theme files, building sections and blocks, working with .json template files, configuring settings_schema.json, creating snippets, or implementing theme customization features.