diff --git a/README.md b/README.md
index 786481d..e9386ce 100644
--- a/README.md
+++ b/README.md
@@ -205,6 +205,15 @@ The default level passed along with every log sent through this instance.
 By default the line has a maximum length of 16000 chars, this can be turned off with the value false.
 
 
+##### tags
+
+* _Optional_
+* Type: `String[]`
+* Default: `[]`
+
+List of tags used to dynamically group hosts.  More information on tags is available at [How Do I Use Host Tags?](https://docs.logdna.com/docs/logdna-agent#section-how-do-i-use-host-tags-)
+
+
 ### log(line, [options])
 ---
 #### line
diff --git a/logdna/logdna.py b/logdna/logdna.py
index 1bb3bc9..7d37099 100644
--- a/logdna/logdna.py
+++ b/logdna/logdna.py
@@ -23,6 +23,9 @@ def __init__(self, key, options={}):
         self.env = options['env'] if 'env' in options else ''
         self.setLevel(logging.DEBUG)
 
+        self.tags = []
+        if 'tags' in options and isinstance(options['tags'], list):
+            self.tags.extend(options['tags'])
         self.max_length = True
         if 'max_length' in options:
             self.max_length = options['max_length']
@@ -71,7 +74,17 @@ def flush(self):
                     self.flusher = Timer(defaults['FLUSH_NOW'], self.flush)
                     self.flusher.start()
             else:
-                resp = requests.post(url=defaults['LOGDNA_URL'], json=data, auth=('user', self.key), params={ 'hostname': self.hostname, 'ip': self.ip, 'mac': self.mac if self.mac else None }, stream=True, timeout=defaults['MAX_REQUEST_TIMEOUT'])
+                resp = requests.post(
+                    url=defaults['LOGDNA_URL'],
+                    json=data,
+                    auth=('user', self.key),
+                    params={
+                        'hostname': self.hostname,
+                        'ip': self.ip,
+                        'mac': self.mac if self.mac else None,
+                        'tags': self.tags if self.tags else None},
+                    stream=True,
+                    timeout=defaults['MAX_REQUEST_TIMEOUT'])
                 self.buf = []
                 self.bufByteLength = 0
                 if self.flusher: