diff --git a/README.md b/README.md
index 2261ef2..dfb7591 100644
--- a/README.md
+++ b/README.md
@@ -92,7 +92,7 @@ To activate virtual environment:
 poetry shell
 ```
 
-WebSockets server runs on port **8011**. To run WS Server on different port, edit `settings.py` configuration. 
+WebSockets server runs on port **8011**. To run WS Server on different port, edit `settings.py` configuration.
 
 
 ## System overview
@@ -220,7 +220,7 @@ Response body:
 		}
 	},
 	"player": {
-		"uuid": "75bba7cd-a4c1-4b50-b0b5-6382c2822a25",
+		"id": "75bba7cd-a4c1-4b50-b0b5-6382c2822a25",
 		"name": "Pero",
 		"position": {
 			"x": 0,
@@ -234,17 +234,17 @@ Response body:
 
 ### Player Move
 
-- POST `/player/{uuid}/move/left`
-- POST `/player/{uuid}/move/right`
-- POST `/player/{uuid}/move/up`
-- POST `/player/{uuid}/move/down`
+- POST `/player/{id}/move/left`
+- POST `/player/{id}/move/right`
+- POST `/player/{id}/move/up`
+- POST `/player/{id}/move/down`
 
 Request body: None
 
 Response code:
 - 200 OK: Destination reached
 - 201 Created: Player moved successfully
-- 403 Forbidden: Player uuid not valid, probably timeout
+- 403 Forbidden: Player id not valid, probably timeout
 - 409 Conflict: Invalid move, obstacle or position out of board
 - 422 Unprocessable Content: Validation error
 
@@ -252,7 +252,7 @@ Response body:
 ```json
 {
 	"player": {
-		"uuid": "string",
+		"id": "string",
 		"name": "Pero",
 		"position": {
 			"x": 50,
@@ -266,7 +266,7 @@ Response body:
 
 ### Get Player Info
 
-GET `/player/{{uuid}}`
+GET `/player/{{id}}`
 
 Request body: None
 
@@ -274,7 +274,7 @@ Response body:
 ```json
 {
 	"player": {
-		"uuid": "string",
+		"id": "string",
 		"name": "Pero",
 		"position": {
 			"x": 50,
@@ -334,7 +334,7 @@ Data:
 	},
 	"players": [
 		{
-			"uuid": "test-player-id",
+			"id": "test-player-id",
 			"name": "Pero",
 			"active": true,
 			"position": {
@@ -345,7 +345,7 @@ Data:
 			"move_attempt_count": 3
 		},
 		{
-			"uuid": "95962b49-0003-4bf2-b205-71f2590f2318",
+			"id": "95962b49-0003-4bf2-b205-71f2590f2318",
 			"name": "Mirko",
 			"active": true,
 			"position": {
diff --git a/api_tests/requests.http b/api_tests/requests.http
index e2855a5..d84efb9 100644
--- a/api_tests/requests.http
+++ b/api_tests/requests.http
@@ -39,7 +39,7 @@ POST http://localhost:8010/player/test-player-pero/product/purchase
 Content-Type: application/json
 
 {
-  "product_uuid": "cocacola-id"
+  "product_id": "cocacola-id"
 }
 ###