/// <inheritdoc /> public override async Task <IPaymentRequestResult> RequestAsync(Invoice invoice, CancellationToken cancellationToken = default) { if (invoice == null) { throw new ArgumentNullException(nameof(invoice)); } var account = await GetAccountAsync(invoice).ConfigureAwaitFalse(); var data = SepehrHelper.CreateRequestData(invoice, account); var responseMessage = await _httpClient .PostJsonAsync(SepehrHelper.ApiTokenUrl, data, DefaultSerializerSettings, cancellationToken) .ConfigureAwaitFalse(); return(await SepehrHelper.CreateRequestResult(responseMessage, _httpContextAccessor.HttpContext, account, _options.Messages)); }