diff --git a/media/radarr.py b/media/radarr.py
index bc0c3af..981af7e 100644
--- a/media/radarr.py
+++ b/media/radarr.py
@@ -1,9 +1,11 @@
+import os.path
+
 import backoff
 import requests
-import os.path
 
-from misc.log import logger
 from misc import helpers
+from misc import str as misc_str
+from misc.log import logger
 
 log = logger.get_logger(__name__)
 
@@ -27,7 +29,7 @@ class Radarr:
         try:
             # request system status to validate api_key
             req = requests.get(
-                os.path.join(self.server_url, 'api/system/status'),
+                os.path.join(misc_str.ensure_endswith(self.server_url, "/"), 'api/system/status'),
                 headers=self.headers,
                 timeout=60
             )
@@ -45,7 +47,7 @@ class Radarr:
         try:
             # make request
             req = requests.get(
-                os.path.join(self.server_url, 'api/movie'),
+                os.path.join(misc_str.ensure_endswith(self.server_url, "/"), 'api/movie'),
                 headers=self.headers,
                 timeout=60
             )
@@ -67,7 +69,7 @@ class Radarr:
         try:
             # make request
             req = requests.get(
-                os.path.join(self.server_url, 'api/profile'),
+                os.path.join(misc_str.ensure_endswith(self.server_url, "/"), 'api/profile'),
                 headers=self.headers,
                 timeout=60
             )
@@ -111,7 +113,7 @@ class Radarr:
 
             # make request
             req = requests.post(
-                os.path.join(self.server_url, 'api/movie'),
+                os.path.join(misc_str.ensure_endswith(self.server_url, "/"), 'api/movie'),
                 headers=self.headers,
                 json=payload,
                 timeout=60
diff --git a/media/sonarr.py b/media/sonarr.py
index 9315c62..6caa082 100644
--- a/media/sonarr.py
+++ b/media/sonarr.py
@@ -1,8 +1,10 @@
+import os.path
+
 import backoff
 import requests
-import os.path
 
 from misc import helpers
+from misc import str as misc_str
 from misc.log import logger
 
 log = logger.get_logger(__name__)
@@ -25,7 +27,8 @@ class Sonarr:
     def validate_api_key(self):
         try:
             # request system status to validate api_key
-            req = requests.get(os.path.join(self.server_url, 'api/system/status'), headers=self.headers, timeout=60)
+            req = requests.get(os.path.join(misc_str.ensure_endswith(self.server_url, "/"), 'api/system/status'),
+                               headers=self.headers, timeout=60)
             log.debug("Request Response: %d", req.status_code)
 
             if req.status_code == 200 and 'version' in req.json():
@@ -40,7 +43,7 @@ class Sonarr:
         try:
             # make request
             req = requests.get(
-                os.path.join(self.server_url, 'api/series'),
+                os.path.join(misc_str.ensure_endswith(self.server_url, "/"), 'api/series'),
                 headers=self.headers,
                 timeout=60
             )
@@ -62,7 +65,7 @@ class Sonarr:
         try:
             # make request
             req = requests.get(
-                os.path.join(self.server_url, 'api/profile'),
+                os.path.join(misc_str.ensure_endswith(self.server_url, "/"), 'api/profile'),
                 headers=self.headers,
                 timeout=60
             )
@@ -88,7 +91,7 @@ class Sonarr:
         try:
             # make request
             req = requests.get(
-                os.path.join(self.server_url, 'api/tag'),
+                os.path.join(misc_str.ensure_endswith(self.server_url, "/"), 'api/tag'),
                 headers=self.headers,
                 timeout=60
             )
@@ -115,7 +118,7 @@ class Sonarr:
         try:
             # make request
             req = requests.get(
-                os.path.join(self.server_url, 'api/tag'),
+                os.path.join(misc_str.ensure_endswith(self.server_url, "/"), 'api/tag'),
                 headers=self.headers,
                 timeout=60
             )
@@ -159,7 +162,7 @@ class Sonarr:
 
             # make request
             req = requests.post(
-                os.path.join(self.server_url, 'api/series'),
+                os.path.join(misc_str.ensure_endswith(self.server_url, "/"), 'api/series'),
                 headers=self.headers,
                 json=payload,
                 timeout=60
diff --git a/misc/str.py b/misc/str.py
index 91c9cab..e278409 100644
--- a/misc/str.py
+++ b/misc/str.py
@@ -26,3 +26,10 @@ def is_ascii(string):
         log.exception(u"Exception checking if %r was ascii: ", string)
         return False
     return True
+
+
+def ensure_endswith(data, endswith_key):
+    if not data.strip().endswith(endswith_key):
+        return "%s%s" % (data.strip(), endswith_key)
+    else:
+        return data