fully managed service makes it easier to pub maintain monitor apis at any scale
how it works? users
call to api gateway send that call over to lambda send that to ec2
high level some of the features api caching speed up the response rate reduce the # of calls to endpoint
there is ttl in seconds respond to the cache or making the api call
same call to api gateway
cache for 60 seconds dont need to make that call again cached that for you
what can api gateway do low cost efficient scale effortlessly throttle request to prevent attacks fake api calls connect to cloudwatch to log requests
understand troubleshooting same origin policy cross origin
cross-origin resource sharing multiple domains using cors one way the server on the other end can relax the same origin policy resricted resources request from another domain
fix that error message origin policy cannot read at the remote resource? need to enable cors on api gateway
enable corrs remember what api gateway is on a high level
increase overal performance
prevent from abusing log to cloud watch javascript and ajax
get an error message ensure cors turned on