URLRead
URLRead[url] sends a request to a URL and reads back the response, returning it as a response object.
URLRead[assoc] sends a request to a URL built from an association of components and metadata elements.
URLRead[HTTPRequest[…]] sends a request specified by a symbolic HTTPRequest object.
URLRead[req,"elem"] returns only the element elem from the response.
URLRead[req,{elem1,elem2,…}] returns an association of the values of the elements elemi.
URLRead[{req1,req2,…},…] sends the requests reqi in parallel, giving a list of the results obtained.
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