diff --git a/src/productcatalogservice/products.json b/src/productcatalogservice/products.json
index f41b2d9..27000d5 100644
--- a/src/productcatalogservice/products.json
+++ b/src/productcatalogservice/products.json
@@ -5,8 +5,8 @@
             "name": "Vintage Typewriter",
             "description": "This typewriter looks good in your living room.",
             "picture": "/static/img/products/typewriter.jpg",
-            "priceUsd": {
-                "currencyCode": "USD",
+            "price_usd": {
+                "currency_code": "USD",
                 "units": 67,
                 "nanos": 990000000
             },
@@ -17,8 +17,8 @@
             "name": "Vintage Camera Lens",
             "description": "You won't have a camera to use it and it probably doesn't work anyway.",
             "picture": "/static/img/products/camera-lens.jpg",
-            "priceUsd": {
-                "currencyCode": "USD",
+            "price_usd": {
+                "currency_code": "USD",
                 "units": 12,
                 "nanos": 490000000
             },
@@ -29,9 +29,10 @@
             "name": "Home Barista Kit",
             "description": "Always wanted to brew coffee with Chemex and Aeropress at home?",
             "picture": "/static/img/products/barista-kit.jpg",
-            "priceUsd": {
-                "currencyCode": "USD",
-                "units": 124
+            "price_usd": {
+                "currency_code": "USD",
+                "units": 124,
+                "nanos": 490000000
             },
             "categories": ["cookware"]
         },
@@ -40,8 +41,8 @@
             "name": "Terrarium",
             "description": "This terrarium will looks great in your white painted living room.",
             "picture": "/static/img/products/terrarium.jpg",
-            "priceUsd": {
-                "currencyCode": "USD",
+            "price_usd": {
+                "currency_code": "USD",
                 "units": 36,
                 "nanos": 450000000
             },
@@ -52,9 +53,10 @@
             "name": "Film Camera",
             "description": "This camera looks like it's a film camera, but it's actually digital.",
             "picture": "/static/img/products/film-camera.jpg",
-            "priceUsd": {
-                "currencyCode": "USD",
-                "units": 2245
+            "price_usd": {
+                "currency_code": "USD",
+                "units": 2245,
+                "nanos": 490000000
             },
             "categories": ["photography", "vintage"]
         },
@@ -63,8 +65,8 @@
             "name": "Vintage Record Player",
             "description": "It still works.",
             "picture": "/static/img/products/record-player.jpg",
-            "priceUsd": {
-                "currencyCode": "USD",
+            "price_usd": {
+                "currency_code": "USD",
                 "units": 65,
                 "nanos": 500000000
             },
@@ -75,8 +77,8 @@
             "name": "Metal Camping Mug",
             "description": "You probably don't go camping that often but this is better than plastic cups.",
             "picture": "/static/img/products/camp-mug.jpg",
-            "priceUsd": {
-                "currencyCode": "USD",
+            "price_usd": {
+                "currency_code": "USD",
                 "units": 24,
                 "nanos": 330000000
             },
@@ -87,8 +89,8 @@
             "name": "City Bike",
             "description": "This single gear bike probably cannot climb the hills of San Francisco.",
             "picture": "/static/img/products/city-bike.jpg",
-            "priceUsd": {
-                "currencyCode": "USD",
+            "price_usd": {
+                "currency_code": "USD",
                 "units": 789,
                 "nanos": 500000000
             },
@@ -99,8 +101,8 @@
             "name": "Air Plant",
             "description": "Have you ever wondered whether air plants need water? Buy one and figure out.",
             "picture": "/static/img/products/air-plant.jpg",
-            "priceUsd": {
-                "currencyCode": "USD",
+            "price_usd": {
+                "currency_code": "USD",
                 "units": 12,
                 "nanos": 300000000
             },