Shopify Admin API Overview The Shopify Admin API gives apps full access to a merchant's store data — products, variants, orders, customers, inventory, metafields, and more. It is available in both GraphQL (recommended) and REST flavors, with GraphQL offering precise field selection, bulk operations, and better rate limiting via the calculated cost system. Use the Node.js library or direct HTTP calls with an Admin API access token. When to Use This Skill - When reading or writing product catalog data (titles, variants, pricing, images, inventory) - When fulfilling or updating orders programmat…