Cross-Origin Read Blocking (CORB) blocked cross-origin

Hi all,

I am calling external webservice in sharepoint office 365 using ajax call. I am using the following code to acces the external webservice.But i am getting the following error.

"Cross-Origin Read Blocking (CORB) blocked cross-origin response with MIME type application/json" . Any help would be helpful.Thanks in advance.

"https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js" type="text/javascript">
"text/javascript">
$(function () {
debugger;
try
{
$.ajax({
url: "https://api.printful.com/countries",
headers: {
'Access-Control-Allow-Credentials' : true,
'Access-Control-Allow-Origin': '*',
'Access-Control-Allow-Methods':'GET',
'Access-Control-Allow-Headers':'application/json',
},
type: "GET",
crossDomain: true,
dataType: "jsonp",
jsonp: 'jsonp-callback',
async: false,
success: function (data) {
debugger;
console.log("count= "+ data.d.results.length);
if(data.d.results.length>0){
alert("Results Count:"+data.d.results.length);
}else{
alert("no data");
}
},
error: function (data) {
console.log("Error");
console.log(data);
}
});
}
catch(e)
{
console.log(e);
}
});