//client
regid = {'reg':e.regid};
                    alert(regid['reg']);
                    //sending the regId to the server
                    $.ajax({
                    	type:'POST',
                    	url:'http://192.168.1.75:5000/api/v1.0/register_id',
                    	contentType:'application/json',
                    	data:JSON.stringify(regid),
                    	success: function(){
                    		alert('registration OK');
                    	}
                    });

//server

@app.route('/api/v1.0/register_id', methods=['POST'])
def registration():
    registration = request.get_json()
    print registration()
    return jsonify({})