diff --git a/src/Shh.php b/src/Shh.php
new file mode 100644
index 0000000..7e6c1f2
--- /dev/null
+++ b/src/Shh.php
@@ -0,0 +1,179 @@
+<?php
+
+/**
+ * This file is part of web3.php package.
+ * 
+ * (c) Kuan-Cheng,Lai <alk03073135@gmail.com>
+ * 
+ * @author Peter Lai <alk03073135@gmail.com>
+ * @license MIT
+ */
+
+namespace Web3;
+
+use Web3\Providers\Provider;
+use Web3\Providers\HttpProvider;
+use Web3\RequestManagers\RequestManager;
+use Web3\RequestManagers\HttpRequestManager;
+
+class Shh
+{
+    /**
+     * provider
+     *
+     * @var \Web3\Providers\Provider
+     */
+    protected $provider;
+
+    /**
+     * methods
+     * 
+     * @var array
+     */
+    private $methods = [];
+
+    /**
+     * allowedMethods
+     * 
+     * @var array
+     */
+    private $allowedMethods = [
+        'shh_version'
+    ];
+
+    /**
+     * construct
+     *
+     * @param mixed string | Web3\Providers\Provider $provider
+     * @return void
+     */
+    public function __construct($provider)
+    {
+        if (is_string($provider) && (filter_var($provider, FILTER_VALIDATE_URL) !== false)) {
+            // check the uri schema
+            if (preg_match('/^https?:\/\//', $provider) === 1) {
+                $requestManager = new HttpRequestManager($provider);
+
+                $this->provider = new HttpProvider($requestManager);
+            }
+        } else if ($provider instanceof Provider) {
+            $this->provider = $provider;
+        }
+    }
+
+    /**
+     * call
+     * 
+     * @param string $name
+     * @param array $arguments
+     * @return void
+     */
+    public function __call($name, $arguments)
+    {
+        if (empty($this->provider)) {
+            throw new \RuntimeException('Please set provider first.');
+        }
+
+        $class = explode('\\', get_class());
+
+        if (preg_match('/^[a-zA-Z0-9]+$/', $name) === 1) {
+            $method = strtolower($class[1]) . '_' . $name;
+
+            if (!in_array($method, $this->allowedMethods)) {
+                throw new \RuntimeException('Unallowed rpc method: ' . $method);
+            }
+            if ($this->provider->isBatch) {
+                $callback = null;
+            } else {
+                $callback = array_pop($arguments);
+
+                if (is_callable($callback) !== true) {
+                    throw new \InvalidArgumentException('The last param must be callback function.');
+                }
+            }
+            if (!array_key_exists($method, $this->methods)) {
+                // new the method
+                $methodClass = sprintf("\Web3\Methods\%s\%s", ucfirst($class[1]), ucfirst($name));
+                $methodObject = new $methodClass($method, $arguments);
+                $this->methods[$method] = $methodObject;
+            } else {
+                $methodObject = $this->methods[$method];
+            }
+            if ($methodObject->validate($arguments)) {
+                $inputs = $methodObject->transform($arguments, $methodObject->inputFormatters);
+                $methodObject->arguments = $inputs;
+                $this->provider->send($methodObject, $callback);
+            }
+        }
+    }
+
+    /**
+     * get
+     * 
+     * @param string $name
+     * @return mixed
+     */
+    public function __get($name)
+    {
+        $method = 'get' . ucfirst($name);
+
+        if (method_exists($this, $method)) {
+            return call_user_func_array([$this, $method], []);
+        }
+    }
+
+    /**
+     * set
+     * 
+     * @param string $name
+     * @param mixed $value
+     * @return bool
+     */
+    public function __set($name, $value)
+    {
+        $method = 'set' . ucfirst($name);
+
+        if (method_exists($this, $method)) {
+            return call_user_func_array([$this, $method], [$value]);
+        }
+        return false;
+    }
+
+    /**
+     * getProvider
+     * 
+     * @return \Web3\Providers\Provider
+     */
+    public function getProvider()
+    {
+        return $this->provider;
+    }
+
+    /**
+     * setProvider
+     * 
+     * @param $provider
+     * @return bool
+     */
+    public function setProvider($provider)
+    {
+        if ($provider instanceof Provider) {
+            $this->provider = $provider;
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * batch
+     * 
+     * @param bool $status
+     * @return void
+     */
+    public function batch($status)
+    {
+        $status = is_bool($status);
+
+        $this->provider->batch($status);
+    }
+}
\ No newline at end of file
diff --git a/src/Web3.php b/src/Web3.php
index aa3fafb..ebf7572 100644
--- a/src/Web3.php
+++ b/src/Web3.php
@@ -14,6 +14,7 @@ namespace Web3;
 use Web3\Eth;
 use Web3\Net;
 use Web3\Personal;
+use Web3\Shh;
 use Web3\Utils;
 use Web3\Providers\Provider;
 use Web3\Providers\HttpProvider;
@@ -50,6 +51,13 @@ class Web3
      */
     protected $personal;
 
+    /**
+     * shh
+     * 
+     * @var \Web3\Shh
+     */
+    protected $shh;
+
     /**
      * utils
      * 
@@ -238,6 +246,20 @@ class Web3
         return $this->personal;
     }
 
+    /**
+     * getShh
+     * 
+     * @return \Web3\Shh
+     */
+    public function getShh()
+    {
+        if (!isset($this->shh)) {
+            $shh = new Shh($this->provider);
+            $this->shh = $shh;
+        }
+        return $this->shh;
+    }
+
     /**
      * getUtils
      * 
diff --git a/test/unit/Web3Test.php b/test/unit/Web3Test.php
index 3f33d67..aee0a4c 100644
--- a/test/unit/Web3Test.php
+++ b/test/unit/Web3Test.php
@@ -8,6 +8,7 @@ use Web3\Web3;
 use Web3\Eth;
 use Web3\Net;
 use Web3\Personal;
+use Web3\Shh;
 use Web3\Utils;
 use Web3\Providers\HttpProvider;
 use Web3\RequestManagers\RequestManager;
@@ -55,6 +56,7 @@ class Web3Test extends TestCase
         $this->assertTrue($web3->eth instanceof Eth);
         $this->assertTrue($web3->net instanceof Net);
         $this->assertTrue($web3->personal instanceof Personal);
+        $this->assertTrue($web3->shh instanceof Shh);
         $this->assertTrue($web3->utils instanceof Utils);
     }