Shopify App API Patterns

Use this skill when building frontend features that communicate with your app's backend in a Shopify Remix app.

When to Use

• Adding new pages that fetch data from Shopify or your database
• Creating forms that submit data (mutations)
• Using useFetcher for client-side data operations
• Handling authenticated sessions in routes
• Building APIs for app extensions or external services

Architecture Overview

┌─────────────────────────────────────────────────────────────┐
│                    Shopify Admin                             │
│  ┌─────────────────────────────────────────────────────┐    │
│  │              Your App (iframe)                       │    │