.NET & C# SDK

using Kkhay;
using Kkhay.Models;
 
var client = new KkhayClient("kkhay_live_YOUR_API_KEY");
 
var invoice = await client.CreateInvoiceAsync(new CreateInvoiceRequest
{
    Amount = 99.99m,
    Currency = "USD",
    PayNetwork = "bsc",
    PayToken = "USDT",
    OrderId = "NET-ORDER-001",
    Title = "Enterprise Cloud License",
    CustomerEmail = "dev@enterprise.net",
    RedirectUrl = "https://enterprise.net/billing/success"
});
 
Console.WriteLine($"Invoice ID: {invoice.Id}");
Console.WriteLine($"Checkout URL: {invoice.HostedUrl}");