diff --git a/spec/InfluxDB/ClientSpec.php b/spec/InfluxDB/ClientSpec.php
index a0ee5ae02..b1ff81cb6 100644
--- a/spec/InfluxDB/ClientSpec.php
+++ b/spec/InfluxDB/ClientSpec.php
@@ -28,7 +28,7 @@ class ClientSpec extends ObjectBehavior
             "points" => [
                 ["Guccini", "Autogrill"]
             ]
-        ]])->shouldBeCalledTimes(1);
+        ]], false)->shouldBeCalledTimes(1);
 
         $this->mark("video.search", [
             "author" => "Guccini",
@@ -36,6 +36,23 @@ class ClientSpec extends ObjectBehavior
         ]);
     }
 
+    function it_should_send_data_with_time_precision(AdapterInterface $adapter)
+    {
+        $adapter->send([[
+            "name" => "video.search",
+            "columns" => ["time", "author", "title"],
+            "points" => [
+                ["1410591552", "Guccini", "Autogrill"]
+            ]
+        ]], "s")->shouldBeCalledTimes(1);
+
+        $this->mark("video.search", [
+            "time" => "1410591552",
+            "author" => "Guccini",
+            "title" => "Autogrill"
+        ], "s");
+    }
+
     function it_should_query_on_querable_adapter(GuzzleAdapter $adapter)
     {
         $this->setAdapter($adapter);
diff --git a/src/InfluxDB/Adapter/AdapterInterface.php b/src/InfluxDB/Adapter/AdapterInterface.php
index d0b9e539a..79ed18670 100644
--- a/src/InfluxDB/Adapter/AdapterInterface.php
+++ b/src/InfluxDB/Adapter/AdapterInterface.php
@@ -3,5 +3,5 @@ namespace InfluxDB\Adapter;
 
 interface AdapterInterface
 {
-    public function send($message);
+    public function send($message, $timePrecision = false);
 }
diff --git a/src/InfluxDB/Adapter/GuzzleAdapter.php b/src/InfluxDB/Adapter/GuzzleAdapter.php
index 45ad43ea3..96a109a4a 100644
--- a/src/InfluxDB/Adapter/GuzzleAdapter.php
+++ b/src/InfluxDB/Adapter/GuzzleAdapter.php
@@ -17,13 +17,17 @@ class GuzzleAdapter implements AdapterInterface, QueryableInterface
         $this->options = $options;
     }
 
-    public function send($message)
+    public function send($message, $timePrecision = false)
     {
         $httpMessage = [
             "auth" => [$this->options->getUsername(), $this->options->getPassword()],
             "body" => json_encode($message)
         ];
 
+        if ($timePrecision) {
+            $httpMessage["query"]["time_precision"] = $timePrecision;
+        }
+
         $endpoint = $this->options->getHttpSeriesEndpoint();
         return $this->httpClient->post($endpoint, $httpMessage);
     }
diff --git a/src/InfluxDB/Adapter/UdpAdapter.php b/src/InfluxDB/Adapter/UdpAdapter.php
index 88827173f..4cc08c775 100644
--- a/src/InfluxDB/Adapter/UdpAdapter.php
+++ b/src/InfluxDB/Adapter/UdpAdapter.php
@@ -12,7 +12,10 @@ class UdpAdapter implements AdapterInterface
         $this->options = $options;
     }
 
-    public function send($message)
+    /**
+     * @todo Handle timePrecision parameter
+     */
+    public function send($message, $timePrecision = false)
     {
         $message = json_encode($message);
         $socket = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP);
diff --git a/src/InfluxDB/Client.php b/src/InfluxDB/Client.php
index 6971d71ba..3b4c7e95c 100644
--- a/src/InfluxDB/Client.php
+++ b/src/InfluxDB/Client.php
@@ -20,14 +20,17 @@ class Client
         return $this->adapter;
     }
 
-    public function mark($name, array $values)
+    public function mark($name, array $values, $timePrecision = false)
     {
         $data =[];
+
+        $timePrecision = $this->clearTimePrecision($timePrecision);
+
         $data['name'] = $name;
         $data['columns'] = array_keys($values);
         $data['points'][] = array_values($values);
 
-        return $this->getAdapter()->send([$data]);
+        return $this->getAdapter()->send([$data], $timePrecision);
     }
 
     public function query($query, $timePrecision = false)
diff --git a/tests/InfluxDB/ClientTest.php b/tests/InfluxDB/ClientTest.php
index 5d0dc8af1..45ea0397e 100644
--- a/tests/InfluxDB/ClientTest.php
+++ b/tests/InfluxDB/ClientTest.php
@@ -100,6 +100,21 @@ class ClientTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals("tcp.test", $body[0]["name"]);
     }
 
+    /**
+     * @group tcp
+     */
+    public function testGuzzleHttpWriteApiWithTimePrecision()
+    {
+        $this->object->mark("tcp.test", ["time" => 1410591552, "mark" => "element"], "s");
+
+        $body = $this->object->query("select mark from tcp.test", "ms");
+
+        $this->assertCount(1, $body[0]["points"]);
+        $this->assertEquals("tcp.test", $body[0]["name"]);
+
+        $this->assertEquals("1410591552000", $body[0]["points"][0][0]);
+    }
+
     /**
      * @group udp
      */