🚀 Day 11 of My Shopify App Development Journey | Exploring Shopify APIs Before today, I thought Shopify only had one main API. But after diving into the documentation, I realized Shopify offers an entire suite of APIs each precision-engineered for a specific purpose. Understanding which API to use is just as critical as learning how to use it. Here is the breakdown of the Shopify APIs I explored today: 📚 1. Admin API (GraphQL) The backbone of Shopify app development. It's the primary way to interact with a store's backend data. Used for: Managing products, orders, customers, inventory, collections, discounts, and metafields. Note: GraphQL is heavily recommended by Shopify over REST for all modern app development. 🌐 2. Storefront API The go-to API for building custom, headless commerce experiences. Used for: Displaying products, searching collections, managing carts, completing checkouts, and handling customer accounts outside of a standard Liquid theme. ⚡ 3. Customer Account API Designed to build modern, seamless customer account experiences. Used for: Letting customers view order history, update profiles, manage shipping addresses, and securely access account info. 💳 4. Payments Apps API A specialized API used by payment providers to deeply integrate custom payment gateways into the Shopify checkout flow. 🚚 5. Fulfillment API Allows third-party logistics (3PL) and fulfillment services to automatically receive, accept, and manage fulfillment requests. 📦 6. Webhooks Not technically an API, but easily one of the most critical features. Webhooks automatically notify your app in real-time when events occur (e.g., New Orders, Product Updates, Customer Creation, or App Uninstalls). 💡 My Key Takeaways Today: Shopify’s ecosystem is massive; you don't need to build everything from scratch, you just need to orchestrate the right APIs. The GraphQL Admin API is the absolute standard for backend app logic. Webhooks are non-negotiable for keeping your app's database synchronized with store events efficiently. Next Up: Tomorrow, I'm writing my very first GraphQL query to fetch live product data from a development store! 🚀 💬 Question for Shopify Developers: Which Shopify API do you find yourself using the most in your daily projects, and what’s one optimization tip you wish you knew when you started? I'd love to hear your experiences below! 👇