AWS API Gateway

Basics

• Easy service to publish, maintain and monitor and secure APIs at any scale.
• “front door” to different backend services that runs on EC2 or Lambda, etc.
• Low cost and efficient
• Throttle api gtwy support to prevent attacks
• Cloudwatch integrations + logs
• Same-origin-policy support
• Cross-origin resource sharing support

API Caching

• improves the latency
• cache is expired on a certain TTL period