The choice between GraphQL and REST is one of the most common architectural decisions API consumers face. Both approaches have their strengths, and the right choice depends on your specific use case. Let us break down the practical differences.
When REST Shines
REST is ideal for simple, resource-oriented interactions. If your application primarily reads and writes discrete resources (users, orders, products), REST provides a predictable, cacheable interface. REST APIs are easier to cache at the HTTP level, which can significantly improve performance for read-heavy workloads.
When GraphQL Wins
GraphQL excels when you need to fetch related data from multiple resources in a single request. Mobile applications benefit particularly from GraphQL because they can request exactly the fields they need, reducing payload sizes and network round trips. If your UI displays data from 3+ related resources on a single screen, GraphQL can simplify your data fetching significantly.
Performance Considerations
REST with HTTP caching can outperform GraphQL for cacheable queries. However, GraphQL reduces over-fetching and under-fetching, which matters for bandwidth-constrained clients. For write-heavy workloads, both approaches perform similarly — the bottleneck is usually the backend, not the API protocol.
Our Recommendation
We offer both REST and GraphQL endpoints for our APIs. Start with REST for its simplicity and cacheability. Consider GraphQL if you find yourself making many sequential requests to compose a single view, or if you need fine-grained control over response payloads. Both endpoints share the same authentication and rate limiting.