api-gateway.txt

API Gateway
- caches responses from endpoint for set period of time (TTL)
- low cost, efficient
- scales effortlessly
- throttle requests to prevent attacks
- connect to CloudWatch to log requests

Cross-Origin Resource Sharing (CORS)
- server on other end can relax same-origin policy
- mechanism that allows restricted resources on web apge to be from another domain


Exam Tips
^^^ See above