API Form Handler

<script runat="server">

Platform.Load("Core", "1.1.1");

// Client information

var client_id = "3MVG9CmdhfW8tOGBddolA7UcaOsauPSzjigUjZJNSW.FIgZzGrvFRGiA8qRf5ykEFVazTBy6McDO.AIXuSage";

var client_sc = "7448AA9D46E9A8351573F04B1EB7E1DD87A8FC2ACCE66AC179AE588F5B784415";

var rest_url = "https://economist--mcn.sandbox.my.salesforce.com/services/oauth2/token";

var Content_type = "application/x-www-form-urlencoded"

var payload = "grant_type=client_credentials&client_id=" + client_id + "&client_secret=" + client_sc;

// Get Access token

try {

var res = HTTP.Post(rest_url, Content_type, payload);

    res = Platform.Function.ParseJSON(res.Response[0]);

Write(Stringify(res));

  var accessToken = res.access_token;

  var submitUrl =

    "https://economist--mcn.sandbox.my.salesforce.com" +

    "/services/data/v67.0/connect/form-handler/" +

    "MCLMJCBWX6T5AI5OENF5SV5UQJQI/submit";

  var formPayload = {

    formData: {

        firstname: "Test4",

        lastname: "User4",

        email: "test.user4@example.com",

        leadstatus: "New",

        email_consent: true

    },

    uniqueId: Platform.Function.GUID()

};

  try {

    var formResult = HTTP.Post(

        submitUrl,

        "application/json",

        Stringify(formPayload),

        ["Authorization"],

        ["Bearer " + accessToken]

    );

    Write("<h2>Form Handler Response</h2>");

    Write("<pre>" + String(formResult.Response[0]) + "</pre>");

} catch (ex) {

    Write("<h2>Form Handler Error</h2>");

    Write("<pre>" + Stringify(ex) + "</pre>");

}

} catch (ex) {

    Write(Stringify(ex));

}

</script>