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VB.NET

HTTP POST JSON (application/json)

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Demonstrates how to send a JSON POST using the application/json content-type.

Chilkat VB.NET Downloads

VB.NET
Dim success As Boolean = False

' This example requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

Dim req As New Chilkat.HttpRequest
Dim http As New Chilkat.Http

' If any custom headers need to be included with the POST, add them
' by calling SetRequestHeader

' Note: An application should never explicitly set the Content-Length header.
' The Content-Length is automatically computed and added by Chilkat.

' Here are some examples of custom headers.  

' Perhaps your particular app needs some sort of custom-computed Authorization header...
http.SetRequestHeader("Authorization","my-custom-computed-auth-value")

' Another custom header for some hypothetical app:
http.SetRequestHeader("X-Pass-Timestamp","my-custom-computed-timestamp-value")

' The following "Accept" header may be set, but it really isn't necessary:
http.SetRequestHeader("Accept","application/json")

Dim jsonText As String = "{ some JSON text ... }"

' To use SSL/TLS, simply use "https://" in the URL.

Dim resp As New Chilkat.HttpResponse
success = http.HttpStr("POST","http://www.someserver.com/someJsonEndpoint",jsonText,"utf-8","application/json",resp)
If (success = False) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If



' Display the JSON response.
Debug.WriteLine(resp.BodyStr)