API Gateway Integration Patterns

Welcome! In this lesson, we'll explore how API Gateways act as central traffic cops for your microservices, especially for rate limiting.

An API Gateway is a single entry point for all client requests to your backend services. It sits between clients and your microservices, handling requests before they reach individual services.

Implementing rate limiting at the API Gateway offers significant advantages over doing it in each microservice:

• Consistency: Ensures uniform rate limiting rules across all APIs.
• Simplicity: Simplifies microservice logic, as they don't need to handle rate limiting.
• Performance: Prevents overloaded services by rejecting excessive requests early.
• Visibility: Provides a single point for monitoring and auditing rate limit activity.