リクエスト側（クライアント）


	Imports System.ServiceModel.Channels
	Imports System.Net
	Imports System.Collections.Generic
	Imports System.Runtime.Serialization.Json
	Imports System.Runtime.InteropServices
	Imports System.Security.Cryptography.X509Certificates
	Imports System.Text
	Imports System.IO
	Imports System.ServiceModel.Web
	Private Function RequestToPz3(ByRef json As RequestJson3) As String
        '--- 文字コードを指定する
        Dim enc As System.Text.Encoding = System.Text.Encoding.GetEncoding("UTF-8")
        '--- WebClientクラスの定義
        Dim wc As New System.Net.WebClient
        '--- ヘッダ（Content-Type）
        wc.Headers.Add("Content-Type", "application/json; charset=utf-8")
        Dim eMsg As String = ""
        Try
            Dim result As String
            Using stream As New IO.MemoryStream
                '---    シリアライズ実行
                Dim serializer As New DataContractJsonSerializer(json.GetType)
                serializer.WriteObject(stream, json)
                '---    結果を取得
                result = System.Text.Encoding.UTF8.GetString(stream.ToArray())
            End Using
            '*****  データを送信し、結果を受信する *****
            reqCount = reqCount + 1
            Dim resData As Byte()
            Try
                '---    これで漢字も送れた
                Dim postDataBytes2 As Byte() = enc.GetBytes(result)
                resData = wc.UploadData(tmpRequestUrl, postDataBytes2)      '成功
            Catch ex As Exception
            End Try
            wc.Dispose()
            '受信した結果(JSONデータ)を表示する
            Dim resText As String = enc.GetString(resData)
            Console.WriteLine(resText)
        Catch e As WebException
            ' 予期せぬエラー
        Catch e As System.Exception
        End Try
        Return eMsg
    End Function

受取側（コントローラ）


	Option Strict On
	Imports System.ServiceModel
	Imports System.ServiceModel.Activation
	Imports System.ServiceModel.Web
	Imports System.Runtime.Serialization
	Imports System.Collections.Generic
	Imports System.Net
	Imports System.ServiceModel.Channels
	Imports System.Text

	'*******************************************************************************************************
	'   処理概要：コントローラー
	'*******************************************************************************************************
	<ServiceContract(namespace:="http://aaaaaaa/bbb/api/assets/")>
	<AspNetCompatibilityRequirements(RequirementsMode:=AspNetCompatibilityRequirementsMode.Allowed)>
	Public Class ss09030r

	    Inherits System.Web.UI.Page
	    Private Const X_REQUEST_ID = "X-request-id"
	    '--------------------------------------------------------------------
	    '   reportコントローラー	ここでリクエストを受取る
	    '--------------------------------------------------------------------
	    <OperationContract(), WebInvoke()>
	    Public Function report(req As RequestJson3) As RequestJson3
	        Dim RequestHeaders = WebOperationContext.Current.IncomingRequest.Headers        '   リクエストヘッダー
	        Return req
	    End Function
	End Class