400 Bad Request from a REST Service - ajax

Question

I am trying to interact with a REST service by passing Json data to the operation contract URL using AJAX, but I keep getting a Bad Request and don't understand why.
I am cureently coding in Typescript, here is the method to do the Ajax Request:
AjaxLogin = (e: JQueryEventObject) : boolean =>
{
let email = $("#login-email").val();
let pwd = $("#login-pwd").val();
$.ajax({
cache: false,
type: "GET",
url: "http://localhost:57522/PizzaService.svc/Login",
data: '{"email":"' + email + '", "pwd":"' + pwd + '" }',
contentType: "application/json; charset=utf-8",
dataType: "json",
success: this.LoginSuccess,
error: this.LoginError
});
e.preventDefault();
return false;
}
The operation contract in the REST service:
[OperationContract]
[WebGet(BodyStyle = WebMessageBodyStyle.Bare,
RequestFormat = WebMessageFormat.Json,
ResponseFormat = WebMessageFormat.Json,
UriTemplate = "/Login")]
Entities.User LoginUser(string email, string pwd);
implemented C# method:
public User LoginUser(string email, string pwd)
{
SqlConnection db;
SqlCommand cmd;
SqlDataReader reader;
db = new SqlConnection(WebConfigurationManager.ConnectionStrings["DatabaseConnectionString"].ConnectionString);
cmd = new SqlCommand("SELECT * FROM Customer WHERE customerEmail = #email AND customerPassword = #pwd",db);
cmd.Parameters.AddWithValue("#email", email);
cmd.Parameters.AddWithValue("#pwd", pwd);
using (db)
{
db.Open();
reader = cmd.ExecuteReader();
if(reader.HasRows)
{
reader.Read();
int id = (int)reader["Id"];
string firstname = reader["customerFirstname"].ToString();
string lastname = reader["customerLastname"].ToString();
int houseno = (int)reader["customerHouseno"];
string postcode = reader["customerPostcode"].ToString();
string tel = reader["customerTel"].ToString();
return new User(id, firstname, lastname, houseno, postcode, tel, email, pwd);
}
else
{
return null;
}
}
}
Thanks, I really appreciate it.