OdorikConfiguration.SetCredentials("https://www.odorik.cz/api/v1/", "{user}", "{apiPassword}");

ISMSService smsService = new SMSService();

var allowedSenders = await smsService.GetAllowedSendersAsync();
var sentSMS = await smsService.GetSentSMSsAsync(new SMSFilter { From = DateTime.MinValue, To = DateTime.Now });

await smsService.SendSmsAsync(allowedSenders.First(), "{Recipient number in format 00xxxx...}", "Message text");

ICreditService creditService = new CreditService();

var actualBalance = await creditService.GetBalanceAsync();

ISpeedDialService speedDialService = new SpeedDialService();

var speedDials = await speedDialService.GetSpeedDialsAsync();