The Wolfram Language provides detailed control over HTTP requests and responses, based on symbolic representations of the requests and responses.

HTTPRequest — symbolic representation of an HTTP request

HTTPResponse — symbolic representation of an HTTP response

Special HTTP Responses

HTTPRedirect   ▪ HTTPErrorResponse

URLDispatcher — deliver content based on URL structure

Functions Setting Up Special HTTP Responses »

CloudDeploy   ▪ APIFunction   ▪ Delayed   ▪ ResponseForm   ▪ ...

GenerateHTTPResponse — generate the full HTTP response from an API function etc.

Accessing Request Metadata in Cloud Functions »

HTTPRequestData — complete information on an incoming HTTP request

$UserAgentString   ▪ $GeoLocation   ▪ $WolframID   ▪ ...

Functions Making HTTP Requests

URLRead — send an HTTP request and read back the HTTP response

URLExecute — execute an HTTP request, importing the results

URLDownload — execute an HTTP request, downloading the results

Asynchronous HTTP Requests

URLSubmit — submit an HTTP request for asynchronous execution

URLDownloadSubmit — submit an HTTP request, downloading the results

HandlerFunctions   ▪ HandlerFunctionsKeys

Options to HTTP Requests

TimeConstraint   ▪ FollowRedirects   ▪ VerifySecurityCertificates

Cookie Management »

CookieFunction — what to do with cookies received in an HTTP response

SetCookies   ▪ FindCookies   ▪ $Cookies   ▪ ...

Authentication

Authentication — specify login and other authentication credentials

AuthenticationDialog   ▪ PermissionsKey   ▪ SecuredAuthenticationKey

URL Utilities »

URLEncode   ▪ URLParse   ▪ URLShorten   ▪ ...

Low-Level Network Operations »

URLResponseTime — find timings for URL responses

$NetworkConnected   ▪ PingTime   ▪ SocketConnect   ▪ SocketObject   ▪ ...

Web Browser Automation »

StartWebSession — start a web session, returning a web session object

WebExecute — execute commands through a web browser

WebSessionObject   ▪ $CurrentWebSession   ▪ WebElementObject   ▪ ...