The Shopify Admin API is the most powerful tool for managing your entire Shopify store programmatically. In this guide, you’ll learn how the Admin API works, how to get API access tokens, the difference between REST and GraphQL, how to create products, manage orders, customers, metafields, and more. This post also covers API versions, authentication methods, rate limits, best practices, and real-world use cases for Shopify app developers and store owners. A perfect beginner-to-advanced guide for anyone building Shopify apps or automating store workflows.