diff --git a/internal/service/checkout/service.go b/internal/service/checkout/service.go
new file mode 100644
index 0000000..c8c2db2
--- /dev/null
+++ b/internal/service/checkout/service.go
@@ -0,0 +1,14 @@
+package checkout
+
+import "context"
+
+type CheckoutService struct{}
+
+func NewCheckoutService() *CheckoutService {
+	return &CheckoutService{}
+}
+
+func (s *CheckoutService) Checkout(ctx context.Context, cartID string) error {
+	// Do some business logic
+	return nil
+}