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The Invoke-WebRequest cmdlet sends HTTP and HTTPS requests to a web page or web service. It parses the response and returns collections of links, images, and other significant HTML elements.
Description. The Invoke-RestMethod cmdlet sends HTTP and HTTPS requests to Representational State Transfer (REST) web services that return richly structured data. PowerShell formats the response based to the data type. For an RSS or ATOM feed, PowerShell returns the Item or Entry XML nodes.
Invoke-RestMethod is perfect for quick APIs that have no special response information such as Headers or Status Codes, whereas Invoke-WebRequest gives you full access to the Response object and all the details it provides.
In Windows PowerShell 3.0 was introduced Invoke-RestMethod cmdlet.
Invoke-RestMethod cmdlet accepts -Body<Object> parameter for setting the body of the request.
Due to a certain limitations Invoke-RestMethod cmdlet could not be used in our case. From the other hand, an alternative solution described in article InvokeRestMethod for the Rest of Us suits our needs:
$request = [System.Net.WebRequest]::Create($url)
$request.Method="Get"
$response = $request.GetResponse()
$requestStream = $response.GetResponseStream()
$readStream = New-Object System.IO.StreamReader $requestStream
$data=$readStream.ReadToEnd()
if($response.ContentType -match "application/xml") {
$results = [xml]$data
} elseif($response.ContentType -match "application/json") {
$results = $data | ConvertFrom-Json
} else {
try {
$results = [xml]$data
} catch {
$results = $data | ConvertFrom-Json
}
}
$results
But it is intended for a GET method only.
Could you please suggest how to extend this code sample with the ability to send the body of the request using POST method (similar to Body parameter in Invoke-RestMethod)?
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