diff --git a/docs/category/category-schema.yaml b/docs/category/category-schema.yaml
index 89fa7980..d77bc117 100644
--- a/docs/category/category-schema.yaml
+++ b/docs/category/category-schema.yaml
@@ -78,3 +78,12 @@ definitions:
       updatedAt:
         type: string
         format: date-time
+  categoriesSubjectsNames:
+    type: array
+    items:
+      type: object
+      properties:
+        _id:
+          type: string
+        name:
+          type: string
diff --git a/docs/category/category.yaml b/docs/category/category.yaml
index fcfe174f..400b1837 100644
--- a/docs/category/category.yaml
+++ b/docs/category/category.yaml
@@ -179,6 +179,42 @@ paths:
                 status: 401
                 code: UNAUTHORIZED
                 message: The requested URL requires user authorization.
+  /categories/subjects/names:
+    get:
+      security:
+        - cookieAuth: []
+      tags:
+        - Categories
+      summary: Finds and returns all subjects's names
+      description: Finds and returns names of all subjects in all categories.
+      produces:
+        - application/json
+      responses:
+        200:
+          description: OK
+          content:
+            application/json:
+              schema:
+                $ref: '#/definitions/categoriesSubjectsNames'
+              example:
+                - _id: 6422dbb9823be47b41eeb8d6
+                  name: Bass
+                - _id: 6422d995d898aa732d038e8f
+                  name: Guitar
+                - _id: 6675859059019cd05eb119ff
+                  name: Spanish
+                - _id: 6675878f59019cd05eb11a1e
+                  name: Product Design
+        401:
+          description: Unauthorized
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/Error'
+              example:
+                status: 401
+                code: UNAUTHORIZED
+                message: The requested URL requires user authorization.
   /categories/{id}:
     get:
       security: