Unirest

HttpResponse<String> response = Unirest.get("http://blizzcmsv2.fixcore.fx/api/ApiAccount/user/5") //this is my website url & method
  .header("content-type", "multipart/form-data; boundary=---011000010111000001101001")
  .header("x-api-key", "MYCODE@123") //this is my Api key
  .header("authorization", "Basic MYCREDENTIAL") //this is my credential
  .asString();