API Gateway
API Gateway provides a managed entry point for exposing, securing, and controlling APIs in GCP environments.
What it does
API management.
When to use
Use API Gateway when you need a managed front door for backend APIs, authentication, and request control.
Key Concepts
API gateways centralize public access to backend services.
They often help with auth, routing, rate control, and visibility.
Useful for serverless and service-based API architectures.
They improve security and consistency for externally exposed APIs.
Common Use Cases
Exposing backend APIs to clients safely.
Applying auth and request management rules.
Managing API traffic for distributed services.
Interview Questions
What is API Gateway?
Why use an API gateway instead of exposing backend services directly?
What kinds of controls are commonly handled by API gateways?