unauthorized during app cration

hello i have created an account in info bip and enabled the 2fa for my user and i constantly get unauthorized i have tried and with postman i get unatharized during the app creation thanks in advance

private static readonly string BASE_URL = "https://lz5kpj.api.infobip.com"; private static readonly string API_KEY = "924cf6c39fceeba5184822f7f3be3fa9-27a5aa73-1f35-462c-a541-92070c8c66da";

    var configuration = new Infobip.Api.Client.Configuration()
            {
                BasePath = BASE_URL,
                ApiKeyPrefix = "APP",
                ApiKey = API_KEY
    };

    var tfaApi = new TfaApi(configuration);
    TfaApplicationConfiguration configuration2 = new TfaApplicationConfiguration()
    {
     AllowMultiplePinVerifications = true,
    PinAttempts = 5,
    PinTimeToLive =  "15m",
    SendPinPerApplicationLimit =  "10000/1d",
    SendPinPerPhoneNumberLimit = "3/1d",
    VerifyPinLimit = "1/3s",

    };
   // Step 1: Create a 2FA application
    var tfaApplicationRequest = new TfaApplicationRequest(configuration: configuration2, name: "2FA Application edi", enabled: true);
    var tfaApplication = tfaApi.CreateTfaApplication(tfaApplicationRequest);

infobip / infobip-api-csharp-client

unauthorized during app cration #25