diff --git a/backend/diyhrt_models.go b/backend/diyhrt_models.go
index 40c5559..48b997f 100644
--- a/backend/diyhrt_models.go
+++ b/backend/diyhrt_models.go
@@ -1,41 +1,41 @@
 package backend
 
 type ActiveIngredient struct {
-	Name        string  `json:"name"`
-	Ester       *string `json:"ester,omitempty"`
-	DisplayName *string `json:"display_name,omitempty"`
+	Name        string `json:"name"`
+	Ester       string `json:"ester,omitempty"`
+	DisplayName string `json:"display_name,omitempty"`
 }
 
 type Product struct {
-	Id               *int             `json:"id,omitempty"`
+	Id               int              `json:"id,omitempty"`
 	Name             string           `json:"name"`
-	Image            *string          `json:"image,omitempty"`
+	Image            string           `json:"image,omitempty"`
 	ActiveIngredient ActiveIngredient `json:"active_ingredient"`
 }
 
 type Store struct {
-	Id                 *int     `json:"id,omitempty"`
+	Id                 int      `json:"id,omitempty"`
 	Name               string   `json:"name"`
 	Url                string   `json:"url"`
 	Description        string   `json:"description"`
-	ShipsFromCountry   *string  `json:"ships_from_country,omitempty"`
-	ShipsToCountry     *string  `json:"ships_to_country,omitempty"`
+	ShipsFromCountry   string   `json:"ships_from_country,omitempty"`
+	ShipsToCountry     string   `json:"ships_to_country,omitempty"`
 	ServiceStatus      string   `json:"service_status"`
-	ServiceStatusNotes *string  `json:"service_status_notes,omitempty"`
+	ServiceStatusNotes string   `json:"service_status_notes,omitempty"`
 	PaymentMethods     []string `json:"payment_methods,omitempty"`
-	CategoryName       *string  `json:"category_name,omitempty"`
+	CategoryName       string   `json:"category_name,omitempty"`
 }
 
 type Listing struct {
-	Id             *int    `json:"id,omitempty"`
-	ProductName    *string `json:"product_name,omitempty"`
+	Id             int     `json:"id,omitempty"`
+	ProductName    string  `json:"product_name,omitempty"`
 	StoreName      string  `json:"store_name"`
-	Price          *string `json:"price,omitempty"`
-	PriceCurrency  *string `json:"price_currency,omitempty"`
-	State          *string `json:"state,omitempty"`
+	Price          string  `json:"price,omitempty"`
+	PriceCurrency  string  `json:"price_currency,omitempty"`
+	State          string  `json:"state,omitempty"`
 	InStock        bool    `json:"in_stock"`
-	Url            *string `json:"url,omitempty"`
-	PricingPerUnit *string `json:"pricing_per_unit,omitempty"`
+	Url            string  `json:"url,omitempty"`
+	PricingPerUnit string  `json:"pricing_per_unit,omitempty"`
 	Product        Product `json:"product"`
 	Store          Store   `json:"store"`
 }