diff --git a/ajax/authenticateMe.php b/ajax/authenticateMe.php
new file mode 100644
index 0000000..adab01a
--- /dev/null
+++ b/ajax/authenticateMe.php
@@ -0,0 +1,86 @@
+<?php
+
+$std = new stdClass();
+$std->users = null;
+$std->cash = null;
+$std->bit = null;
+$std->message = array();
+$std->error = false;
+
+    if (isset($_POST['flo_id'], $_POST['flo_pub_key'], $_SESSION['session_id'], $_POST['signDataWithFlo'] )){
+        
+        ob_start();
+   
+            function callAPI($method, $url, $data){
+            $curl = curl_init();
+            switch ($method){
+                case "POST":
+                    curl_setopt($curl, CURLOPT_POST, 1);
+                    if ($data)
+                        curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
+                    break;
+                case "PUT":
+                    curl_setopt($curl, CURLOPT_CUSTOMREQUEST, "PUT");
+                    if ($data)
+                        curl_setopt($curl, CURLOPT_POSTFIELDS, $data);                              
+                    break;
+                default:
+                    if ($data)
+                        $url = sprintf("%s?%s", $url, http_build_query($data));
+            }
+            // OPTIONS:
+            curl_setopt($curl, CURLOPT_URL, $url);
+            curl_setopt($curl, CURLOPT_HTTPHEADER, array(
+                'APIKEY: 111111111111111111111',
+                'Content-Type: application/json',
+            ));
+            curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
+            curl_setopt($curl, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
+            // EXECUTE:
+            $result = curl_exec($curl);
+            if(!$result){die("Connection Failure");}
+            curl_close($curl);
+            return $result;
+            }
+    
+            $floID = $_POST['flo_id'];
+            $pubKey = $_POST['flo_pub_key'];
+            $s_id = $_SESSION['session_id'];
+            $signDataWithFlo = $_POST['signDataWithFlo'];
+    
+    
+            $data_array =  array( "floID"        => $floID, "pubKey" => $pubKey, "message" => $s_id, "sign" => $signDataWithFlo  );
+            $make_call = callAPI('POST', 'https://flo-sign-validator.duckdns.org', json_encode($data_array));
+            $response = json_decode($make_call, true);
+    
+    
+            if ($response['success'] == 1) {
+                
+                //store $s_id (session ID) in SQl
+                ob_end_clean();
+                ob_start();
+                $std->error = false;
+                setcookie("exchange[flo_id]", $floID, time () + (86400 * $cookie_life_days));
+                setcookie("exchange[session_id]", $s_id, time () + (86400 * $cookie_life_days));
+                setcookie("exchange[flo_pub_key]", $pubKey,time () + (86400 * $cookie_life_days)); 
+
+                echo json_encode($std);
+                return true;
+                }
+            
+                
+              else {
+                $std->message[] = "Authentication has failed. ";
+                $std->error = true;
+                echo json_encode($std);
+                return false;
+            }
+} else {
+    $std->message[] = "All data fields not present. ";
+    $std->error = true;
+    echo json_encode($std);
+    return false;
+}
+
+
+