Application Programming Interfaces (APIs)

Application Programming Interface (API)

a computing interface that defines interactions between multiple software intermediaries

cache-control

a dual-type HTTP header; its request type specifies caching behavior

query string

a part of a uniform resource locator (URL) that assigns values to specified parameters

user-agent

a request-type HTTP header that lets servers and network peers identify the application, operating system, vendor, and/or version of the requesting user agent

accept

a request-type HTTP header used to inform the server of what content type is understandable by the client (expressed as MIME-types)

access-control-allow-origin

a response-type HTTP header that indicates whether the response can be shared with requesting code from the given origin

allowed

a response-type HTTP header that is used in response to a preflight request which includes the Access-Control-Request-Headers to indicate which HTTP headers can be used during the actual request

get

an HTTP method used to request data from a specified resource

post

an HTTP method used to send data to a server to create/update a resource

response status codes

indicate whether a specific HTTP request has been successfully completed

HTTP headers

let the client and the server pass metadata with an HTTP request or response

URL

uniform