diff --git a/README.md b/README.md
index 347d2d3..2b5f6e7 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,7 @@ BootBot is a simple but powerful JavaScript Framework to build Facebook Messenge
 $ npm install bootbot --save
 ```
 
+### Without express
 ```javascript
 'use strict';
 const BootBot = require('bootbot');
@@ -44,6 +45,30 @@ bot.on('message', (payload, chat) => {
 bot.start();
 ```
 
+### With an existent express instance
+```javascript
+'use strict';
+const BootBot = require('bootbot');
+const express = require('express');
+const app = express();
+
+const bot = new BootBot({
+  accessToken: 'FB_ACCESS_TOKEN',
+  verifyToken: 'FB_VERIFY_TOKEN',
+  appSecret: 'FB_APP_SECRET'
+});
+
+bot.on('message', (payload, chat) => {
+  const text = payload.message.text;
+  chat.say(`Echo: ${text}`);
+});
+
+app.use(bot.middleware());
+app.listen(3000, ()=>{
+	console.log('listen on port 3000');
+});
+```
+
 ## Video Example
 
 Creating a Giphy Chat Bot in 3 minutes:
diff --git a/examples/echo-express-example.js b/examples/echo-express-example.js
new file mode 100644
index 0000000..be0d3d2
--- /dev/null
+++ b/examples/echo-express-example.js
@@ -0,0 +1,21 @@
+const BootBot = require('../');
+const express = require('express');
+const app = express();
+const config = require('config');
+
+const bot = new BootBot({
+    accessToken: config.get('access_token'),
+    verifyToken: config.get('verify_token'),
+    appSecret: config.get('app_secret')
+});
+
+bot.on('message', (payload, chat) => {
+    const text = payload.message.text;
+    chat.say(`Echo: ${text}`);
+});
+
+app.use(bot.middleware());
+
+app.listen(3000, () => {
+    console.log(`Listen on port 3000`);
+});
diff --git a/lib/BootBot.js b/lib/BootBot.js
index 5df40f8..b36f9f1 100644
--- a/lib/BootBot.js
+++ b/lib/BootBot.js
@@ -3,7 +3,6 @@ const Chat = require('./Chat');
 const Conversation = require('./Conversation');
 const EventEmitter = require('eventemitter3');
 const express = require('express');
-const bodyParser = require('body-parser');
 const crypto = require('crypto');
 const fetch = require('node-fetch');
 const normalizeString = require('./utils/normalize-string');
@@ -20,7 +19,7 @@ class BootBot extends EventEmitter {
    * @param {Boolean} [options.broadcastEchoes=false]
    * @param {String} [options.graphApiVersion=v2.12]
    */
-  constructor(options) {
+  constructor (options) {
     super();
     if (!options || (options && (!options.accessToken || !options.verifyToken || !options.appSecret))) {
       throw new Error('You need to specify an accessToken, verifyToken and appSecret');
@@ -30,10 +29,8 @@ class BootBot extends EventEmitter {
     this.appSecret = options.appSecret;
     this.broadcastEchoes = options.broadcastEchoes || false;
     this.graphApiVersion = options.graphApiVersion || 'v2.12';
-    this.app = express();
     this.webhook = options.webhook || '/webhook';
     this.webhook = this.webhook.charAt(0) !== '/' ? `/${this.webhook}` : this.webhook;
-    this.app.use(this.webhook, bodyParser.json({ verify: this._verifyRequestSignature.bind(this) }));
     this._hearMap = [];
     this._conversations = [];
   }
@@ -43,6 +40,8 @@ class BootBot extends EventEmitter {
    * @param {Number} [port=3000]
    */
   start(port) {
+    this.app = express();
+    this.app.use(this.webhook, express.json({ verify: this._verifyRequestSignature.bind(this) }));
     this._initWebhook();
     this.app.set('port', port || 3000);
     this.server = this.app.listen(this.app.get('port'), () => {
@@ -59,6 +58,38 @@ class BootBot extends EventEmitter {
     this.server.close();
   }
 
+  /**
+   * getting a middleware for existent express instance
+   */
+  middleware() {
+    const router = express.Router();
+    router.use(express.json({ verify: this._verifyRequestSignature.bind(this) }));
+
+    router.get(this.webhook, (req, res) => {
+      if (req.query['hub.mode'] === 'subscribe' && req.query['hub.verify_token'] === this.verifyToken) {
+        console.log('Validation Succeded.')
+        res.status(200).send(req.query['hub.challenge']);
+      } else {
+        console.error('Failed validation. Make sure the validation tokens match.');
+        res.sendStatus(403);
+      }
+    });
+
+    router.post(this.webhook, (req, res) => {
+      var data = req.body;
+      if (data.object !== 'page') {
+        return;
+      }
+
+      this.handleFacebookData(data);
+
+      // Must send back a 200 within 20 seconds or the request will time out.
+      res.sendStatus(200);
+    }).bind(this);
+
+    return router;
+  }
+
   /**
    * See https://developers.facebook.com/docs/messenger-platform/reference/send-api/quick-replies/#quick_reply
    * @typedef {Object} QuickReply
@@ -279,15 +310,15 @@ class BootBot extends EventEmitter {
       },
       body: JSON.stringify(body)
     })
-    .then(res => res.json())
-    .then(res => {
-      if (res.error) {
-        console.log('Messenger Error received. For more information about error codes, see: https://goo.gl/d76uvB');
-        console.log(res.error);
-      }
-      return res;
-    })
-    .catch(err => console.log(`Error sending message: ${err}`));
+      .then(res => res.json())
+      .then(res => {
+        if (res.error) {
+          console.log('Messenger Error received. For more information about error codes, see: https://goo.gl/d76uvB');
+          console.log(res.error);
+        }
+        return res;
+      })
+      .catch(err => console.log(`Error sending message: ${err}`));
   }
 
   /**
diff --git a/package-lock.json b/package-lock.json
index de872ff..ca8e732 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.5.tgz",
       "integrity": "sha1-63d99gEXI6OxTopywIBcjoZ0a9I=",
       "requires": {
-        "mime-types": "2.1.18",
+        "mime-types": "~2.1.18",
         "negotiator": "0.6.1"
       }
     },
@@ -30,30 +30,13 @@
       "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
       "dev": true
     },
-    "body-parser": {
-      "version": "1.18.3",
-      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.18.3.tgz",
-      "integrity": "sha1-WykhmP/dVTs6DyDe0FkrlWlVyLQ=",
-      "requires": {
-        "bytes": "3.0.0",
-        "content-type": "1.0.4",
-        "debug": "2.6.9",
-        "depd": "1.1.2",
-        "http-errors": "1.6.3",
-        "iconv-lite": "0.4.23",
-        "on-finished": "2.3.0",
-        "qs": "6.5.2",
-        "raw-body": "2.3.3",
-        "type-is": "1.6.16"
-      }
-    },
     "brace-expansion": {
       "version": "1.1.11",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
       "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
       "dev": true,
       "requires": {
-        "balanced-match": "1.0.0",
+        "balanced-match": "^1.0.0",
         "concat-map": "0.0.1"
       }
     },
@@ -74,9 +57,9 @@
       "integrity": "sha1-TQJjewZ/6Vi9v906QOxW/vc3Mkc=",
       "dev": true,
       "requires": {
-        "assertion-error": "1.1.0",
-        "deep-eql": "0.1.3",
-        "type-detect": "1.0.0"
+        "assertion-error": "^1.0.1",
+        "deep-eql": "^0.1.3",
+        "type-detect": "^1.0.0"
       }
     },
     "commander": {
@@ -176,7 +159,7 @@
       "resolved": "https://registry.npmjs.org/encoding/-/encoding-0.1.12.tgz",
       "integrity": "sha1-U4tm8+5izRq1HsMjgp0flIDHS+s=",
       "requires": {
-        "iconv-lite": "0.4.23"
+        "iconv-lite": "~0.4.13"
       }
     },
     "escape-html": {
@@ -205,36 +188,36 @@
       "resolved": "https://registry.npmjs.org/express/-/express-4.16.3.tgz",
       "integrity": "sha1-avilAjUNsyRuzEvs9rWjTSL37VM=",
       "requires": {
-        "accepts": "1.3.5",
+        "accepts": "~1.3.5",
         "array-flatten": "1.1.1",
         "body-parser": "1.18.2",
         "content-disposition": "0.5.2",
-        "content-type": "1.0.4",
+        "content-type": "~1.0.4",
         "cookie": "0.3.1",
         "cookie-signature": "1.0.6",
         "debug": "2.6.9",
-        "depd": "1.1.2",
-        "encodeurl": "1.0.2",
-        "escape-html": "1.0.3",
-        "etag": "1.8.1",
+        "depd": "~1.1.2",
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "etag": "~1.8.1",
         "finalhandler": "1.1.1",
         "fresh": "0.5.2",
         "merge-descriptors": "1.0.1",
-        "methods": "1.1.2",
-        "on-finished": "2.3.0",
-        "parseurl": "1.3.2",
+        "methods": "~1.1.2",
+        "on-finished": "~2.3.0",
+        "parseurl": "~1.3.2",
         "path-to-regexp": "0.1.7",
-        "proxy-addr": "2.0.3",
+        "proxy-addr": "~2.0.3",
         "qs": "6.5.1",
-        "range-parser": "1.2.0",
+        "range-parser": "~1.2.0",
         "safe-buffer": "5.1.1",
         "send": "0.16.2",
         "serve-static": "1.13.2",
         "setprototypeof": "1.1.0",
-        "statuses": "1.4.0",
-        "type-is": "1.6.16",
+        "statuses": "~1.4.0",
+        "type-is": "~1.6.16",
         "utils-merge": "1.0.1",
-        "vary": "1.1.2"
+        "vary": "~1.1.2"
       },
       "dependencies": {
         "body-parser": {
@@ -243,15 +226,15 @@
           "integrity": "sha1-h2eKGdhLR9hZuDGZvVm84iKxBFQ=",
           "requires": {
             "bytes": "3.0.0",
-            "content-type": "1.0.4",
+            "content-type": "~1.0.4",
             "debug": "2.6.9",
-            "depd": "1.1.2",
-            "http-errors": "1.6.3",
+            "depd": "~1.1.1",
+            "http-errors": "~1.6.2",
             "iconv-lite": "0.4.19",
-            "on-finished": "2.3.0",
+            "on-finished": "~2.3.0",
             "qs": "6.5.1",
             "raw-body": "2.3.2",
-            "type-is": "1.6.16"
+            "type-is": "~1.6.15"
           }
         },
         "iconv-lite": {
@@ -288,7 +271,7 @@
                 "depd": "1.1.1",
                 "inherits": "2.0.3",
                 "setprototypeof": "1.0.3",
-                "statuses": "1.4.0"
+                "statuses": ">= 1.3.1 < 2"
               }
             },
             "setprototypeof": {
@@ -311,12 +294,12 @@
       "integrity": "sha512-Y1GUDo39ez4aHAw7MysnUD5JzYX+WaIj8I57kO3aEPT1fFRL4sr7mjei97FgnwhAyyzRYmQZaTHb2+9uZ1dPtg==",
       "requires": {
         "debug": "2.6.9",
-        "encodeurl": "1.0.2",
-        "escape-html": "1.0.3",
-        "on-finished": "2.3.0",
-        "parseurl": "1.3.2",
-        "statuses": "1.4.0",
-        "unpipe": "1.0.0"
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "on-finished": "~2.3.0",
+        "parseurl": "~1.3.2",
+        "statuses": "~1.4.0",
+        "unpipe": "~1.0.0"
       },
       "dependencies": {
         "statuses": {
@@ -332,7 +315,7 @@
       "integrity": "sha1-XtPM1jZVEJc4NGXZlhmRAOhhYek=",
       "dev": true,
       "requires": {
-        "samsam": "1.1.2"
+        "samsam": "~1.1"
       }
     },
     "forwarded": {
@@ -357,12 +340,12 @@
       "integrity": "sha512-MJTUg1kjuLeQCJ+ccE4Vpa6kKVXkPYJ2mOCQyUuKLcLQsdrMCpBPUi8qVE6+YuaJkozeA9NusTAw3hLr8Xe5EQ==",
       "dev": true,
       "requires": {
-        "fs.realpath": "1.0.0",
-        "inflight": "1.0.6",
-        "inherits": "2.0.3",
-        "minimatch": "3.0.4",
-        "once": "1.4.0",
-        "path-is-absolute": "1.0.1"
+        "fs.realpath": "^1.0.0",
+        "inflight": "^1.0.4",
+        "inherits": "2",
+        "minimatch": "^3.0.4",
+        "once": "^1.3.0",
+        "path-is-absolute": "^1.0.0"
       }
     },
     "growl": {
@@ -388,10 +371,10 @@
       "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
       "integrity": "sha1-i1VoC7S+KDoLW/TqLjhYC+HZMg0=",
       "requires": {
-        "depd": "1.1.2",
+        "depd": "~1.1.2",
         "inherits": "2.0.3",
         "setprototypeof": "1.1.0",
-        "statuses": "1.5.0"
+        "statuses": ">= 1.4.0 < 2"
       }
     },
     "iconv-lite": {
@@ -399,7 +382,7 @@
       "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.23.tgz",
       "integrity": "sha512-neyTUVFtahjf0mB3dZT77u+8O0QB89jFdnBkd5P1JgYPbPaia3gXXOVL2fq8VyU2gMMD7SaN7QukTB/pmXYvDA==",
       "requires": {
-        "safer-buffer": "2.1.2"
+        "safer-buffer": ">= 2.1.2 < 3"
       }
     },
     "inflight": {
@@ -408,8 +391,8 @@
       "integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=",
       "dev": true,
       "requires": {
-        "once": "1.4.0",
-        "wrappy": "1.0.2"
+        "once": "^1.3.0",
+        "wrappy": "1"
       }
     },
     "inherits": {
@@ -468,7 +451,7 @@
       "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.18.tgz",
       "integrity": "sha512-lc/aahn+t4/SWV/qcmumYjymLsWfN3ELhpmVuUFjgsORruuZPVSwAQryq+HHGvO/SI2KVX26bx+En+zhM8g8hQ==",
       "requires": {
-        "mime-db": "1.33.0"
+        "mime-db": "~1.33.0"
       }
     },
     "minimatch": {
@@ -477,7 +460,7 @@
       "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
       "dev": true,
       "requires": {
-        "brace-expansion": "1.1.11"
+        "brace-expansion": "^1.1.7"
       }
     },
     "minimist": {
@@ -539,8 +522,8 @@
       "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-1.7.3.tgz",
       "integrity": "sha512-NhZ4CsKx7cYm2vSrBAr2PvFOe6sWDf0UYLRqA6svUYg7+/TSfVAu49jYC4BvQ4Sms9SZgdqGBgroqfDhJdTyKQ==",
       "requires": {
-        "encoding": "0.1.12",
-        "is-stream": "1.1.0"
+        "encoding": "^0.1.11",
+        "is-stream": "^1.0.1"
       }
     },
     "on-finished": {
@@ -557,7 +540,7 @@
       "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
       "dev": true,
       "requires": {
-        "wrappy": "1.0.2"
+        "wrappy": "1"
       }
     },
     "os-homedir": {
@@ -586,31 +569,15 @@
       "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.3.tgz",
       "integrity": "sha512-jQTChiCJteusULxjBp8+jftSQE5Obdl3k4cnmLA6WXtK6XFuWRnvVL7aCiBqaLPM8c4ph0S4tKna8XvmIwEnXQ==",
       "requires": {
-        "forwarded": "0.1.2",
+        "forwarded": "~0.1.2",
         "ipaddr.js": "1.6.0"
       }
     },
-    "qs": {
-      "version": "6.5.2",
-      "resolved": "https://registry.npmjs.org/qs/-/qs-6.5.2.tgz",
-      "integrity": "sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA=="
-    },
     "range-parser": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.2.0.tgz",
       "integrity": "sha1-9JvmtIeJTdxA3MlKMi9hEJLgDV4="
     },
-    "raw-body": {
-      "version": "2.3.3",
-      "resolved": "https://registry.npmjs.org/raw-body/-/raw-body-2.3.3.tgz",
-      "integrity": "sha512-9esiElv1BrZoI3rCDuOuKCBRbuApGGaDPQfjSflGxdy4oyzqghxu6klEkkVIvBje+FF0BX9coEv8KqW6X/7njw==",
-      "requires": {
-        "bytes": "3.0.0",
-        "http-errors": "1.6.3",
-        "iconv-lite": "0.4.23",
-        "unpipe": "1.0.0"
-      }
-    },
     "safe-buffer": {
       "version": "5.1.1",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.1.tgz",
@@ -633,18 +600,18 @@
       "integrity": "sha512-E64YFPUssFHEFBvpbbjr44NCLtI1AohxQ8ZSiJjQLskAdKuriYEP6VyGEsRDH8ScozGpkaX1BGvhanqCwkcEZw==",
       "requires": {
         "debug": "2.6.9",
-        "depd": "1.1.2",
-        "destroy": "1.0.4",
-        "encodeurl": "1.0.2",
-        "escape-html": "1.0.3",
-        "etag": "1.8.1",
+        "depd": "~1.1.2",
+        "destroy": "~1.0.4",
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "etag": "~1.8.1",
         "fresh": "0.5.2",
-        "http-errors": "1.6.3",
+        "http-errors": "~1.6.2",
         "mime": "1.4.1",
         "ms": "2.0.0",
-        "on-finished": "2.3.0",
-        "range-parser": "1.2.0",
-        "statuses": "1.4.0"
+        "on-finished": "~2.3.0",
+        "range-parser": "~1.2.0",
+        "statuses": "~1.4.0"
       },
       "dependencies": {
         "statuses": {
@@ -659,9 +626,9 @@
       "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.13.2.tgz",
       "integrity": "sha512-p/tdJrO4U387R9oMjb1oj7qSMaMfmOyd4j9hOFoxZe2baQszgHcSWjuya/CiT5kgZZKRudHNOA0pYXOl8rQ5nw==",
       "requires": {
-        "encodeurl": "1.0.2",
-        "escape-html": "1.0.3",
-        "parseurl": "1.3.2",
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "parseurl": "~1.3.2",
         "send": "0.16.2"
       }
     },
@@ -679,7 +646,7 @@
         "formatio": "1.1.1",
         "lolex": "1.3.2",
         "samsam": "1.1.2",
-        "util": "0.11.0"
+        "util": ">=0.10.3 <1"
       }
     },
     "statuses": {
@@ -693,7 +660,7 @@
       "integrity": "sha512-rKC3+DyXWgK0ZLKwmRsrkyHVZAjNkfzeehuFWdGGcqGDTZFH73+RH6S/RDAAxl9GusSjZSUWYLmT9N5pzXFOXQ==",
       "dev": true,
       "requires": {
-        "has-flag": "2.0.0"
+        "has-flag": "^2.0.0"
       }
     },
     "type-detect": {
@@ -708,7 +675,7 @@
       "integrity": "sha512-HRkVv/5qY2G6I8iab9cI7v1bOIdhm94dVjQCPFElW9W+3GeDOSHmy2EBYe4VTApuzolPcmgFTN3ftVJRKR2J9Q==",
       "requires": {
         "media-typer": "0.3.0",
-        "mime-types": "2.1.18"
+        "mime-types": "~2.1.18"
       }
     },
     "unpipe": {
diff --git a/package.json b/package.json
index af3d251..f6ad120 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,6 @@
   },
   "homepage": "https://github.com/Charca/bootbot#readme",
   "dependencies": {
-    "body-parser": "^1.15.2",
     "config": "^1.21.0",
     "eventemitter3": "^1.2.0",
     "express": "^4.14.0",