diff --git a/rollbar/__init__.py b/rollbar/__init__.py
index 57a1d712..57fee8a6 100644
--- a/rollbar/__init__.py
+++ b/rollbar/__init__.py
@@ -259,6 +259,9 @@ def _get_pylons_request():
     'capture_username': False,
     'capture_ip': True,
     'log_all_rate_limited_items': True,
+    'http_proxy': None,
+    'http_proxy_user': None,
+    'http_proxy_password': None,
 }
 
 _CURRENT_LAMBDA_CONTEXT = None
@@ -1370,10 +1373,13 @@ def _post_api(path, payload_str, access_token=None):
 
     url = urljoin(SETTINGS['endpoint'], path)
     resp = transport.post(url,
-                         data=payload_str,
-                         headers=headers,
-                         timeout=SETTINGS.get('timeout', DEFAULT_TIMEOUT),
-                         verify=SETTINGS.get('verify_https', True))
+                          data=payload_str,
+                          headers=headers,
+                          timeout=SETTINGS.get('timeout', DEFAULT_TIMEOUT),
+                          verify=SETTINGS.get('verify_https', True),
+                          proxy=SETTINGS.get('http_proxy'),
+                          proxy_user=SETTINGS.get('http_proxy_user'),
+                          proxy_password=SETTINGS.get('http_proxy_password'))
 
     return _parse_response(path, SETTINGS['access_token'], payload_str, resp)
 
@@ -1382,7 +1388,12 @@ def _get_api(path, access_token=None, endpoint=None, **params):
     access_token = access_token or SETTINGS['access_token']
     url = urljoin(endpoint or SETTINGS['endpoint'], path)
     params['access_token'] = access_token
-    resp = transport.get(url, params=params, verify=SETTINGS.get('verify_https', True))
+    resp = transport.get(url,
+                         params=params,
+                         verify=SETTINGS.get('verify_https', True),
+                         proxy=SETTINGS.get('http_proxy'),
+                         proxy_user=SETTINGS.get('http_proxy_user'),
+                         proxy_password=SETTINGS.get('http_proxy_password'))
     return _parse_response(path, access_token, params, resp, endpoint=endpoint)
 
 
diff --git a/rollbar/lib/transport.py b/rollbar/lib/transport.py
index e19af625..cf722a5a 100644
--- a/rollbar/lib/transport.py
+++ b/rollbar/lib/transport.py
@@ -12,12 +12,30 @@ def _session():
     return _local.session
 
 
+def _get_proxy_cfg(kw):
+    proxy = kw.pop('proxy', None)
+    proxy_user = kw.pop('proxy_user', None)
+    proxy_password = kw.pop('proxy_password', None)
+    if proxy and proxy_user and proxy_password:
+        return {
+            'http': 'http://{}:{}@{}'.format(proxy_user, proxy_password, proxy),
+            'https': 'http://{}:{}@{}'.format(proxy_user, proxy_password, proxy),
+        }
+    elif proxy:
+        return {
+            'http': 'http://{}'.format(proxy),
+            'https': 'http://{}'.format(proxy),
+        }
+
+
 def post(*args, **kw):
-    return _session().post(*args, **kw)
+    proxies = _get_proxy_cfg(kw)
+    return _session().post(*args, proxies=proxies, **kw)
 
 
 def get(*args, **kw):
-    return _session().get(*args, **kw)
+    proxies = _get_proxy_cfg(kw)
+    return _session().get(*args, proxies=proxies, **kw)
 
 
 __all__ = ['post', 'get']