diff --git a/proxy/proxy.py b/proxy/proxy.py
index 61dcfff..bee2c4a 100644
--- a/proxy/proxy.py
+++ b/proxy/proxy.py
@@ -116,7 +116,7 @@ def _failed_send(self, e, url):
     def send_closing(self, *args, **kwargs):
         return closing(self.send(*args, **kwargs))
 
-    def send(self, endpoint, method="GET", data=None, params=None, headers=None, files=None, success_cb=None, failure_cb=None):
+    def send(self, endpoint, method="GET", data=None, json=None, params=None, headers=None, files=None, success_cb=None, failure_cb=None):
         uri = _urlparse.urljoin(self.uri_base, endpoint)
 
         if not self._state.should_try():
@@ -136,7 +136,7 @@ def _failed_send(e):
             if failure_cb:
                 failure_cb()
 
-        return self._transport.send(uri, method, data=data, params=params, headers=headers, files=None, success_cb=_success_send, failure_cb=_failed_send)
+        return self._transport.send(uri, method, data=data, json=json, params=params, headers=headers, files=None, success_cb=_success_send, failure_cb=_failed_send)
 
 class RESTProxy(HTTPProxy):
     def __init__(self, uri, timeout=1.0, keep_alive=False):
diff --git a/proxy/transport.py b/proxy/transport.py
index e47419d..492d649 100644
--- a/proxy/transport.py
+++ b/proxy/transport.py
@@ -115,7 +115,7 @@ def data(self):
         return self.content
 
 class HTTPTransport(object):
-    async = False
+    asyncronous = False
 
     def __init__(self, keep_alive=False, timeout=None):
         self.keep_alive = keep_alive
@@ -128,10 +128,10 @@ def client(self):
             return self._session
         return requests
 
-    def send_sync(self, url, method, data=None, params=None, headers=None, files=None, success_cb=None, failure_cb=None):
+    def send_sync(self, url, method, data=None, json=None, params=None, headers=None, files=None, success_cb=None, failure_cb=None):
         try:
             httpclient = getattr(self.client(), method.lower())
-            rv = httpclient(url, params=params, data=data, headers=headers, files=files, timeout=self.timeout)
+            rv = httpclient(url, params=params, data=data, json=json, headers=headers, files=files, timeout=self.timeout)
             rv.raise_for_status()
 
             res = Response(rv)
@@ -156,7 +156,7 @@ def send_sync(self, url, method, data=None, params=None, headers=None, files=Non
     send = send_sync
 
 class ThreadedHTTPTransport(HTTPTransport):
-    async = True
+    asyncronous = True
 
     def get_worker(self):
         if not hasattr(self, '_worker'):