Backend
API Gateway
A server that acts as a single entry point for API requests, handling routing, authentication, and more.
Why it matters
- Centralizes cross-cutting concerns like auth and rate limiting
- Simplifies client-facing API surface
- Enables backend evolution without client changes
When to use
- When managing multiple backend services
- When you need centralized authentication
- When rate limiting and throttling are required
Common mistakes
- Putting too much business logic in the gateway
- Creating a single point of failure
- Not handling gateway failures gracefully
Related terms
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