User Name Password
Begin Test

Type	Data	Response
JSON
Multipart form-data
Form URL Encoded
XML

Example:

$.ajax({
    url: "/Auth/Login",
    method: "POST",
    contentType: false,
    processData: false,
    headers: { Accept: "application/json" },
    data: JSON.stringify({ username: "testuser", password: "12345" })
})