diff --git a/README.md b/README.md
index d0d370e..80eec4e 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,11 @@ Um exemplo passando opções como o token do CEP Aberto
 ```php
 use Prhost\CepGratis\CepGratis;
 
-$address = CepGratis::search('31030080', ['token' => '123abc']); 
+$cep = '31030080';
+$options = ['token' => '123abc'];
+$timeout = 15; //segundos
+
+$address = CepGratis::search($cep, $options, $timeout); 
 ```
 
 Outras formas:
@@ -49,7 +53,7 @@ use Prhost\CepGratis\CepGratis;
 use Prhost\CepGratis\Providers\CepAbertoProvider;
 
 $cepGratis = new CepGratis();
-$cepGratis->setOptions(['token' => 'f944751e6dd14d7a40bf18d4d8df1741']);
+$cepGratis->setOptions(['token' => '123abc']);
 $cepGratis->addProvider(new CepAbertoProvider());
 $cepGratis->setTimeout(15);
 $address = $cepGratis->resolve('31030080'); 
diff --git a/src/CepGratis.php b/src/CepGratis.php
index 3ee7170..8548edc 100644
--- a/src/CepGratis.php
+++ b/src/CepGratis.php
@@ -29,7 +29,7 @@ class CepGratis
     private $providers = [];
 
     /**
-     * @var int
+     * @var int in seconds
      */
     private $timeout = 5;
 
@@ -51,14 +51,16 @@ public function __construct()
      *
      * @param string $cep CEP
      * @param array $options
+     * @param int $timeout in seconds (optional)
      * @return Address
      * @throws CepGratisInvalidParameterException
      * @throws CepGratisTimeoutException
      */
-    public static function search(string $cep, array $options = [])
+    public static function search(string $cep, array $options = [], int $timeout = null)
     {
         $cepGratis = new self();
         $cepGratis->options = $options;
+        $cepGratis->timeout = $timeout ? $timeout : $cepGratis->timeout;
 
         $cepGratis->addProvider(new ViaCepProvider());
         $cepGratis->addProvider(new CorreiosProvider());
@@ -81,6 +83,8 @@ public static function search(string $cep, array $options = [])
      */
     public function resolve($cep)
     {
+        $cep = $this->clearCep($cep);
+
         if (strlen($cep) != 8 && filter_var($cep, FILTER_VALIDATE_INT) === false) {
             throw new CepGratisInvalidParameterException('CEP is invalid');
         }
@@ -97,6 +101,13 @@ public function resolve($cep)
         do {
             foreach ($this->providers as $provider) {
                 $address = $provider->getAddress($cep, $this->client, $this->options);
+                if (!is_null($address)) {
+                    break;
+                }
+            }
+
+            if (!is_null($address)) {
+                break;
             }
 
             if ((time() - $time) >= $this->timeout) {
@@ -147,4 +158,15 @@ public function setOptions(array $options): void
     {
         $this->options = $options;
     }
+
+    /**
+     * Limpa os caracteres especiais do CEP
+     *
+     * @param string $cep
+     * @return string
+     */
+    protected function clearCep(string $cep): string
+    {
+        return preg_replace('#[^0-9]#', '', $cep);
+    }
 }