diff --git a/src/stapi_fastapi/backends/product_backend.py b/src/stapi_fastapi/backends/product_backend.py
index 122382b..f7bc3c0 100644
--- a/src/stapi_fastapi/backends/product_backend.py
+++ b/src/stapi_fastapi/backends/product_backend.py
@@ -11,7 +11,7 @@
 from stapi_fastapi.routers.product_router import ProductRouter
 
 SearchOpportunities = Callable[
-    [ProductRouter, OpportunityRequest, Request, str | None, int],
+    [ProductRouter, OpportunityRequest, str | None, int, Request],
     Coroutine[Any, Any, ResultE[tuple[list[Opportunity], Maybe[str]]]],
 ]
 """
@@ -21,9 +21,9 @@
 Args:
     product_router (ProductRouter): The product router.
     search (OpportunityRequest): The search parameters.
-    request (Request): FastAPI's Request object.
     next (str | None): A pagination token.
     limit (int): The maximum number of opportunities to return in a page.
+    request (Request): FastAPI's Request object.
 
 Returns:
     A tuple containing a list of opportunities and a pagination token.
diff --git a/src/stapi_fastapi/backends/root_backend.py b/src/stapi_fastapi/backends/root_backend.py
index f072a93..5582f11 100644
--- a/src/stapi_fastapi/backends/root_backend.py
+++ b/src/stapi_fastapi/backends/root_backend.py
@@ -10,16 +10,16 @@
 )
 
 GetOrders = Callable[
-    [Request, str | None, int],
+    [str | None, int, Request],
     Coroutine[Any, Any, ResultE[tuple[list[Order], Maybe[str]]]],
 ]
 """
 Type alias for an async function that returns a list of existing Orders.
 
 Args:
-    request (Request): FastAPI's Request object.
     next (str | None): A pagination token.
     limit (int): The maximum number of orders to return in a page.
+    request (Request): FastAPI's Request object.
 
 Returns:
     A tuple containing a list of orders and a pagination token.
@@ -49,7 +49,7 @@
 
 
 GetOrderStatuses = Callable[
-    [str, Request, str | None, int],
+    [str, str | None, int, Request],
     Coroutine[Any, Any, ResultE[tuple[list[T], Maybe[str]]]],
 ]
 """
@@ -57,9 +57,9 @@
 
 Args:
     order_id (str): The order ID.
-    request (Request): FastAPI's Request object.
     next (str | None): A pagination token.
     limit (int): The maximum number of statuses to return in a page.
+    request (Request): FastAPI's Request object.
 
 Returns:
     A tuple containing a list of order statuses and a pagination token.
diff --git a/src/stapi_fastapi/routers/product_router.py b/src/stapi_fastapi/routers/product_router.py
index 9f7d0fe..8dbd031 100644
--- a/src/stapi_fastapi/routers/product_router.py
+++ b/src/stapi_fastapi/routers/product_router.py
@@ -173,7 +173,11 @@ async def search_opportunities(
         """
         links: list[Link] = []
         match await self.product._search_opportunities(
-            self, search, request, next, limit
+            self,
+            search,
+            next,
+            limit,
+            request,
         ):
             case Success((features, Some(pagination_token))):
                 links.append(self.order_link(request))
diff --git a/src/stapi_fastapi/routers/root_router.py b/src/stapi_fastapi/routers/root_router.py
index e441b21..4aed5da 100644
--- a/src/stapi_fastapi/routers/root_router.py
+++ b/src/stapi_fastapi/routers/root_router.py
@@ -181,7 +181,7 @@ async def get_orders(
         self, request: Request, next: str | None = None, limit: int = 10
     ) -> OrderCollection:
         links: list[Link] = []
-        match await self._get_orders(request, next, limit):
+        match await self._get_orders(next, limit, request):
             case Success((orders, Some(pagination_token))):
                 for order in orders:
                     order.links.append(self.order_link(request, order))
@@ -235,7 +235,7 @@ async def get_order_statuses(
         limit: int = 10,
     ) -> OrderStatuses:
         links: list[Link] = []
-        match await self._get_order_statuses(order_id, request, next, limit):
+        match await self._get_order_statuses(order_id, next, limit, request):
             case Success((statuses, Some(pagination_token))):
                 links.append(self.order_statuses_link(request, order_id))
                 links.append(self.pagination_link(request, pagination_token))
diff --git a/tests/backends.py b/tests/backends.py
index 0810bf7..7b17d92 100644
--- a/tests/backends.py
+++ b/tests/backends.py
@@ -21,7 +21,7 @@
 
 
 async def mock_get_orders(
-    request: Request, next: str | None, limit: int
+    next: str | None, limit: int, request: Request
 ) -> ResultE[tuple[list[Order], Maybe[str]]]:
     """
     Return orders from backend.  Handle pagination/limit if applicable
@@ -55,7 +55,7 @@ async def mock_get_order(order_id: str, request: Request) -> ResultE[Maybe[Order
 
 
 async def mock_get_order_statuses(
-    order_id: str, request: Request, next: str | None, limit: int
+    order_id: str, next: str | None, limit: int, request: Request
 ) -> ResultE[tuple[list[OrderStatus], Maybe[str]]]:
     try:
         start = 0
@@ -77,9 +77,9 @@ async def mock_get_order_statuses(
 async def mock_search_opportunities(
     product_router: ProductRouter,
     search: OpportunityRequest,
-    request: Request,
     next: str | None,
     limit: int,
+    request: Request,
 ) -> ResultE[tuple[list[Opportunity], Maybe[str]]]:
     try:
         start = 0