API Post funktioniert nicht per VBA

Symfony\Component\HttpKernel\Exception\MethodNotAllowedHttpException: The GET method is not supported for this route.

Sub POST()
Dim objRequest As Object
Dim strUrl As String
Dim blnAsync As Boolean
Dim strResponse As String
Set objRequest = CreateObject("MSXML2.XMLHTTP")
strUrl = "https://api.meinedomain.de/api/v1/post-test/?name=testname"
blnAsync = True
With objRequest
.Open "POST", strUrl, blnAsync
.SetRequestHeader "Content-Type", "application/json"
.Send
'spin wheels whilst waiting for response
While objRequest.readyState  4
DoEvents
Wend
strResponse = .ResponseText
End With
Debug.Print strResponse
End Sub