diff --git a/src/controllers/clientController.js b/src/controllers/clientController.js
index d13f298..e286e18 100644
--- a/src/controllers/clientController.js
+++ b/src/controllers/clientController.js
@@ -665,6 +665,14 @@ const getChatLabels = async (req, res) => {
         }
       },
     }
+    #swagger.responses[200] = {
+    description: 'Retrieved all labels for the chat.',
+    content: {
+      'application/json': {
+        schema: { "$ref": "#/definitions/GetChatLabelsResponse" }
+      }
+    } 
+  }
   */
   try {
     const { chatId } = req.body
@@ -704,6 +712,14 @@ const getChatsByLabelId = async (req, res) => {
         }
       },
     }
+    #swagger.responses[200] = {
+      description: 'Retrieved all chats.',
+      content: {
+        'application/json': {
+          schema: { "$ref": "#/definitions/GetChatsResponse" }
+        }
+      } 
+    }
   */
   try {
     const { labelId } = req.body
@@ -859,6 +875,14 @@ const getLabelById = async (req, res) => {
         }
       },
     }
+    #swagger.responses[200] = {
+      description: 'Retrieved the label.',
+      content: {
+        'application/json': {
+          schema: { "$ref": "#/definitions/GetLabelResponse" }
+        }
+      } 
+    }
   */
   try {
     const { labelId } = req.body
@@ -883,6 +907,15 @@ const getLabelById = async (req, res) => {
 const getLabels = async (req, res) => {
   /*
     #swagger.summary = 'Get all current labels'
+    #swagger.description = 'Retrieve all labels for the given session ID.'
+    #swagger.responses[200] = {
+      description: 'Retrieved all labels.',
+      content: {
+        'application/json': {
+          schema: { "$ref": "#/definitions/GetLabelsResponse" }
+        }
+      } 
+    }
   */
   try {
     const client = sessions.get(req.params.sessionId)
@@ -923,6 +956,14 @@ const addOrRemoveLabels = async (req, res) => {
       }
     },
   }
+  #swagger.responses[200] = {
+    description: 'Labels changed successfully.',
+    content: {
+      'application/json': {
+        schema: { "$ref": "#/definitions/SuccessResponse" }
+      }
+    } 
+  }
   */
   try {
     const { labelIds, chatIds } = req.body
diff --git a/swagger.js b/swagger.js
index 0f2bed7..b1dd1a3 100644
--- a/swagger.js
+++ b/swagger.js
@@ -1,3 +1,5 @@
+const { getChatLabels } = require('./src/controllers/clientController')
+
 const swaggerAutogen = require('swagger-autogen')({ openapi: '3.0.0', autoBody: false })
 
 const outputFile = './swagger.json'
@@ -81,6 +83,9 @@ const doc = {
       success: true,
       result: ['session1', 'session2']
     },
+    SuccessResponse: {
+      success: true,
+    },
     ChatId: {
       server: 'c.us | g.us',
       user: '1234567890',
@@ -102,6 +107,22 @@ const doc = {
       success: true,
       chats: [ { $ref: '#/definitions/Chat' } ],
       error: 'error message if any',
+    },
+    Label: {
+      id: '1',
+      name: 'Not Read',
+    },
+    GetLabelResponse: {
+      success: true,
+      label: { $ref: '#/definitions/Label' },
+    },
+    GetLabelsResponse: {
+      success: true,
+      labels: [ { $ref: '#/definitions/Label' } ],
+    },
+    GetChatLabelsResponse: {
+      success: true,
+      chatLabels: [ { $ref: '#/definitions/Label' } ],
     }
   }
 }
diff --git a/swagger.json b/swagger.json
index f051151..5d89a1b 100644
--- a/swagger.json
+++ b/swagger.json
@@ -1456,7 +1456,14 @@
         ],
         "responses": {
           "200": {
-            "description": "OK"
+            "description": "Retrieved all labels for the chat.",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/GetChatLabelsResponse"
+                }
+              }
+            }
           },
           "403": {
             "description": "Forbidden.",
@@ -1757,7 +1764,14 @@
         ],
         "responses": {
           "200": {
-            "description": "OK"
+            "description": "Retrieved all chats.",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/GetChatsResponse"
+                }
+              }
+            }
           },
           "403": {
             "description": "Forbidden.",
@@ -2128,7 +2142,14 @@
         ],
         "responses": {
           "200": {
-            "description": "OK"
+            "description": "Labels changed successfully.",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/SuccessResponse"
+                }
+              }
+            }
           },
           "403": {
             "description": "Forbidden.",
@@ -2228,7 +2249,14 @@
         ],
         "responses": {
           "200": {
-            "description": "OK"
+            "description": "Retrieved the label.",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/GetLabelResponse"
+                }
+              }
+            }
           },
           "403": {
             "description": "Forbidden.",
@@ -2313,7 +2341,7 @@
           "Client"
         ],
         "summary": "Get all current labels",
-        "description": "",
+        "description": "Retrieve all labels for the given session ID.",
         "parameters": [
           {
             "name": "sessionId",
@@ -2328,7 +2356,14 @@
         ],
         "responses": {
           "200": {
-            "description": "OK"
+            "description": "Retrieved all labels.",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/GetLabelsResponse"
+                }
+              }
+            }
           },
           "403": {
             "description": "Forbidden.",
@@ -2399,7 +2434,14 @@
         ],
         "responses": {
           "200": {
-            "description": "OK"
+            "description": "Labels changed successfully.",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/SuccessResponse"
+                }
+              }
+            }
           },
           "403": {
             "description": "Forbidden.",
@@ -15196,6 +15238,18 @@
           "name": "GetSessionsResponse"
         }
       },
+      "SuccessResponse": {
+        "type": "object",
+        "properties": {
+          "success": {
+            "type": "boolean",
+            "example": true
+          }
+        },
+        "xml": {
+          "name": "SuccessResponse"
+        }
+      },
       "ChatId": {
         "type": "object",
         "properties": {
@@ -15286,6 +15340,82 @@
         "xml": {
           "name": "GetChatsResponse"
         }
+      },
+      "Label": {
+        "type": "object",
+        "properties": {
+          "id": {
+            "type": "string",
+            "example": "1"
+          },
+          "name": {
+            "type": "string",
+            "example": "Not Read"
+          }
+        },
+        "xml": {
+          "name": "Label"
+        }
+      },
+      "GetLabelResponse": {
+        "type": "object",
+        "properties": {
+          "success": {
+            "type": "boolean",
+            "example": true
+          },
+          "label": {
+            "xml": {
+              "name": "label"
+            },
+            "$ref": "#/components/schemas/Label"
+          }
+        },
+        "xml": {
+          "name": "GetLabelResponse"
+        }
+      },
+      "GetLabelsResponse": {
+        "type": "object",
+        "properties": {
+          "success": {
+            "type": "boolean",
+            "example": true
+          },
+          "labels": {
+            "type": "array",
+            "items": {
+              "xml": {
+                "name": "label"
+              },
+              "$ref": "#/components/schemas/Label"
+            }
+          }
+        },
+        "xml": {
+          "name": "GetLabelsResponse"
+        }
+      },
+      "GetChatLabelsResponse": {
+        "type": "object",
+        "properties": {
+          "success": {
+            "type": "boolean",
+            "example": true
+          },
+          "chatLabels": {
+            "type": "array",
+            "items": {
+              "xml": {
+                "name": "label"
+              },
+              "$ref": "#/components/schemas/Label"
+            }
+          }
+        },
+        "xml": {
+          "name": "GetChatLabelsResponse"
+        }
       }
     },
     "securitySchemes": {