Get payment link

curl --request GET \
  --url https://api.shoppex.io/dev/v1/payment-links/{id} \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "payment_link": {
      "uniqid": "plink_1",
      "name": "Spring sale",
      "is_active": true,
      "show_confirmation_page": false,
      "shop_name": "Demo Shop",
      "url": "https://checkout.shoppex.io/pay/plink_1"
    },
    "products": [],
    "analytics": {
      "totalRevenue": 12.5
    }
  }
}