JSFiddle - React, Tailwind, and code Playground

HTML

<a href="#" onclick="return runAjax();"> Set myProfile Check </a>

<div id="responseData">
Waiting for Action...
</div>

CSS

#responseData {
  margin-top: 15px;
  font-family: "Arial"
}

JavaScript

// handles the click event, sends the query
function runAjax() {
    $("#responseData").html("Collecting your Data...");
    $.ajax({
          url: "http://tiffintom.com/api/private/request/data",
          type: "POST",
          dataType: "json",
          data: {
                "RESTAURANT":{"APIKEY":"DoPUQBErcpKPtRmbjpcFvbb8YCMeBjr4w6OcyjtA"},
                "REQUESTPARAM":[
                    {
                        "MODULE":"putitem",
                        "METHOD":"myProfile",
                        "PARAMS":{
                            "CUSTOMERID": 530,
                            "STREET": "zmcbxnzxn mcbn",
                            "POSTCODE": "WS1 4BA",
                            "COUNTRY": "United Kingdom",
                            "MOBILE": "0987456123",
                            "TOWN" : "abc"  //optional
                        }
                    },
                ],
            },
            success:function(data) {
                console.log(data);
                $("#responseData").html(JSON.stringify(data));
            },
            error: function () {
                $('#responseData').html('There was an error!');
            }
    });
    
    return false;
}