- It's the
front door of your application by providing a endpoint for your application running in AWS
- It's
serverless, so it's low cost and scales automatically
- It supports
throttling, so it prevents your application on being overloaded with too many requests
- Everything is logged into
CloudWatch, such as API calls, latency and errors
- API Gateway can transform
HTTP requests and responses using parameter mapping
- Change the header, query string, or request path of an API
request
- Change the header or a status code of a API
response
- API Gateway improve performance by caching output of the API
- By default the TTL of the cache is 300 seconds (5 minutes)
- Reduce the number of calls you receive by serving the cache instead
- API Gateway use throttling to prevent your backend to be overwhelmed with too many requests
- Default limit is
10,000 rps and 5,000 concurrent requests
- If you exceed the limit, API Gateway will return
429, Too Many Requests