POST Ratificacion/Login in https://apiadv.sintia.com.ar/Help/Api/POST-Ratificacion-Login

public class LoginPost
{
    public string User { get; set; }
    public string Password { get; set; }
}

[HttpPost]
public async Task<IActionResult> Login()
{
    var body = await Request.Body.ReadAsStringAsync();
    var data = JsonConvert.DeserializeObject<LoginPost>(body);

    var token = new TokenJWT();
    if (data.User == "admin" && data.Password == "admin")
    {
        string jwt = token.GenerateToken(data.User);
        return Ok(jwt);
    }
    return Unauthorized();
}