A number representing a communication endpoint. There are 65,535 port numbers to choose from.
A prefix to apply to every path. A Base Path + Endpoint Path = Full Path For example
/api/v1 + /resouce = /api/v1/resource
Formerly known as SSL, TLS is an encryption protocol used to enable HTTPS service
Response header indicates whether the response can be shared with requesting code from the given method, origin, and header
There are reserved port numbers that can not be used. Refer to commonly made mistakes for details.