API DESIGN
API Design: REST vs GraphQL Guide
REST fits simple CRUD and CDN-friendly resources; GraphQL fits aggregated storefront queries (Shopify Storefront API). Design APIs with explicit errors, pagination, rate limits, and idempotent mutations.
Security basics
OAuth scopes, webhook signatures, and least-privilege tokens are mandatory on commerce platforms.
Frequently Asked Questions
When is GraphQL worth it?
When clients need flexible field selection and reduced over-fetching—common in headless commerce.