curl --request GET \
  --url https://staging.api.commercengine.io/api/v1/{store_id}/storefront/pos/orders/{order_number}/payment-status \
  --header 'Authorization: Bearer <token>'

{
  "message": "order details",
  "success": true,
  "content": {
    "amount_paid": 123,
    "amount_unpaid": 123,
    "is_retry_available": true
  }
}