diff --git a/app/orders/routes.py b/app/orders/routes.py
index 3cb8372..d639ecb 100644
--- a/app/orders/routes.py
+++ b/app/orders/routes.py
@@ -1,12 +1,13 @@
-from fastapi import APIRouter
+from fastapi import APIRouter, Depends
 
 from ..schemas import Order
+from ..request_guards import require_json_body
 from ..services import OrdersService
 
 orders = APIRouter()
 
 
-@orders.post("/orders", status_code=201)
+@orders.post("/orders", status_code=201, dependencies=[Depends(require_json_body)])
 async def create_order(order: Order) -> dict[str, int]:
     new_order = await OrdersService.create_order(order)
     return {"id": new_order["id"]}
diff --git a/app/products/routes.py b/app/products/routes.py
index bc3309c..be6e883 100644
--- a/app/products/routes.py
+++ b/app/products/routes.py
@@ -1,7 +1,8 @@
-from fastapi import APIRouter, Header, HTTPException
+from fastapi import APIRouter, Depends, Header, HTTPException
 from fastapi.responses import JSONResponse
 
 from ..schemas import Product, ProductType
+from ..request_guards import require_json_body
 from ..services import ProductService
 
 products = APIRouter()
@@ -22,7 +23,7 @@ async def find_available_products(
     return JSONResponse(content=products)
 
 
-@products.post("/products", status_code=201)
+@products.post("/products", status_code=201, dependencies=[Depends(require_json_body)])
 async def add_product(data: Product) -> dict[str, int]:
     product = await ProductService.create_product(data)
     return {"id": product["id"]}
diff --git a/app/request_guards.py b/app/request_guards.py
new file mode 100644
index 0000000..688f1fd
--- /dev/null
+++ b/app/request_guards.py
@@ -0,0 +1,10 @@
+from fastapi import HTTPException, Request
+
+
+async def require_json_body(request: Request) -> None:
+    content_type = (request.headers.get("content-type") or "").split(";")[0].strip().lower()
+    if content_type != "application/json":
+        raise HTTPException(status_code=415, detail="Request body is required")
+
+    if not await request.body():
+        raise HTTPException(status_code=415, detail="Request body is required")
diff --git a/requirements.txt b/requirements.txt
index 713c18f..675a135 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 fastapi>=0.110
 pytest>=7.4
 python-dotenv>=1.0
-specmatic==2.39.6.post1
+specmatic==2.48.0
 redis==7.0.1
 testcontainers==4.13.2
-coverage==7.11.0
\ No newline at end of file
+coverage==7.11.0
diff --git a/specmatic.yaml b/specmatic.yaml
index 26656ca..682dc29 100644
--- a/specmatic.yaml
+++ b/specmatic.yaml
@@ -29,6 +29,7 @@ components:
     specmaticOrderContracts:
       git:
         url: https://github.com/specmatic/specmatic-order-contracts.git
+        branch: missing-response-codes
   services:
     productSearchBffService:
       description: Product Search BFF Service