diff --git a/Sources/AmiiboService/openapi.yaml b/Sources/AmiiboService/openapi.yaml
index 5806e11..bf6f7d9 100644
--- a/Sources/AmiiboService/openapi.yaml
+++ b/Sources/AmiiboService/openapi.yaml
@@ -153,6 +153,11 @@ paths:
       operationId: getAmiiboSeries
       tags:
         - Amiibo
+      parameters:
+        - $ref: '#/components/parameters/Key'
+          description: A key of an amiibo series to include in the response.
+        - $ref: '#/components/parameters/Name'
+          description: A name of an amiibo series key to include in the response.
       responses:
         '200':
           $ref: '#/components/responses/SuccessTuple'
@@ -162,27 +167,17 @@ paths:
           description: An amiibo series not found.
         '500':
           description: Service is not available.
-    parameters:
-      - name: key
-        in: query
-        description: The Amiibo series key to filter the response.
-        required: false
-        schema:
-          type: string
-        style: form
-      - name: name
-        in: query
-        description: The Amiibo series name to filter the response.
-        required: false
-        schema:
-          type: string
-        style: form
   /character:
     get:
       description: Get a list of all the game characters available in the database.
       operationId: getGameCharacters
       tags:
         - Game
+      parameters:
+        - $ref: '#/components/parameters/Key'
+          description: A key of a game character key to include in the response.
+        - $ref: '#/components/parameters/Name'
+          description: A name of a game character key to include in the response.
       responses:
         '200':
           $ref: '#/components/responses/SuccessTuple'
@@ -192,27 +187,17 @@ paths:
           description: A game character not found.
         '500':
           description: Service is not available.
-    parameters:
-      - name: key
-        in: query
-        description: The game character key to filter the response.
-        required: false
-        schema:
-          type: string
-        style: form
-      - name: name
-        in: query
-        description: The game character name to filter the response.
-        required: false
-        schema:
-          type: string
-        style: form
   /gameseries:
     get:
       description: Gets a list of all the game series available in the database.
       operationId: getGameSeries
       tags:
         - Game
+      parameters:
+        - $ref: '#/components/parameters/Key'
+          description: A key of a game series to include in the response.
+        - $ref: '#/components/parameters/Name'
+          description: A name of a game series to include in the response.
       responses:
         '200':
           $ref: '#/components/responses/SuccessTuple'
@@ -222,27 +207,17 @@ paths:
           description: A game series not found.
         '500':
           description: Service is not available.
-    parameters:
-      - name: key
-        in: query
-        description: The game series key to filter the response.
-        required: false
-        schema:
-          type: string
-        style: form
-      - name: name
-        in: query
-        description: The game series name to filter the response.
-        required: false
-        schema:
-          type: string
-        style: form
   /type:
     get:
       description: Gets a list of all the Amiibo types available in the database.
       operationId: getAmiiboTypes
       tags:
         - Amiibo
+      parameters:
+        - $ref: '#/components/parameters/Key'
+          description: A key of an amiibo type to include in the response.
+        - $ref: '#/components/parameters/Name'
+          description: A name of an amiibo type to include in the response.
       responses:
         '200':
           $ref: '#/components/responses/SuccessTuple'
@@ -252,21 +227,6 @@ paths:
           description: An amiibo type not found.
         '500':
           description: Service is not available.
-    parameters:
-      - name: key
-        in: query
-        description: The Amiibo type key to filter the response.
-        required: false
-        schema:
-          type: string
-        style: form
-      - name: name
-        in: query
-        description: The Amiibo type name to filter the response.
-        required: false
-        schema:
-          type: string
-        style: form
   /lastupdated:
     get:
       description: Gets a timestamp when the Amiibo data was last updated.
@@ -287,6 +247,21 @@ paths:
         '500':
           description: Service is not available.
 components:
+  parameters:
+    Key:
+      description: A key of a type to include in the response.
+      name: key
+      in: query
+      required: false
+      schema:
+        type: string
+    Name: 
+      description: A name of a type to include in the response.
+      name: name
+      in: query
+      required: false
+      schema:
+        type: string
   responses:
     SuccessTuple:
       description: Response that returns a JSON object containing requested `Tuple` data from a resource.