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Shopify

Complete Guide to Shopify App Development

Kapbytes Team
Mar 20, 2026
15 min read

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Shopify app development opens up endless possibilities for extending store functionality. Whether you're building a public app for the Shopify App Store or a private app for a specific merchant, this guide covers everything you need to know.

Types of Shopify Apps

  • Public Apps: Listed in Shopify App Store, can be installed by any merchant
  • Custom Apps: Built for a single merchant, not listed publicly
  • Private Apps: Deprecated in favor of Custom Apps

Setting Up Your Development Environment

  1. Create a Shopify Partner account
  2. Install Shopify CLI: npm install -g @shopify/cli
  3. Create a development store
  4. Set up your local development environment

Authentication with OAuth 2.0

const shopifyAuth = require('@shopify/shopify-api'); const client = new shopifyAuth.Shopify.Clients.Rest( shop, accessToken );

Working with Shopify APIs

  • REST Admin API: Traditional API for store management
  • GraphQL Admin API: Modern, flexible API with better performance
  • Storefront API: For building custom storefronts
  • AJAX API: Client-side cart operations

Conclusion

Shopify app development offers a lucrative opportunity for developers. By understanding the platform's architecture and following best practices, you can build apps that help merchants succeed while building a sustainable business.

Kapbytes Team

Web Development Experts at Kapbytes Technologies

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