Go (Golang) SDK

package main
 
import (
	"context"
	"fmt"
	"log"
	"os"
 
	kkhay "github.com/boboaungdev/kkhay-go"
)
 
func main() {
	client := kkhay.NewClient(os.Getenv("KKHAY_API_KEY"))
 
	// Create an invoice
	invoice, err := client.CreateInvoice(context.Background(), &kkhay.CreateInvoiceParams{
		Amount:        49.99,
		Currency:      "USD",
		PayNetwork:    "bsc",       // Optional network (bsc, base, solana, btc)
		PayToken:      "USDT",      // Optional token
		OrderID:       "ORDER-8821",
		Title:         "Pro Cloud Server",
		CustomerEmail: "ops@company.io",
		RedirectURL:   "https://company.io/billing/success",
	})
	if err != nil {
		log.Fatalf("Failed to create invoice: %v", err)
	}
 
	fmt.Printf("Invoice Created: %s\n", invoice.ID)
	fmt.Printf("Checkout URL: %s\n", invoice.HostedURL)
}

package main
 
import (
	"io"
	"net/http"
	"os"
 
	kkhay "github.com/boboaungdev/kkhay-go"
)
 
func handleWebhook(w http.ResponseWriter, r *http.Request) {
	body, err := io.ReadAll(r.Body)
	if err != nil {
		http.Error(w, "Cannot read body", http.StatusBadRequest)
		return
	}
 
	signature := r.Header.Get("x-kkhay-signature")
	secret := os.Getenv("KKHAY_WEBHOOK_SECRET")
 
	event, err := kkhay.ParseWebhookEvent(body, signature, secret)
	if err != nil {
		http.Error(w, "Invalid signature", http.StatusUnauthorized)
		return
	}
 
	if event.Event == "payment.finished" || event.Event == "payment.paid" {
		// Fulfill order in database: event.OrderID, event.TxHash
	}
 
	w.WriteHeader(http.StatusOK)
}