diff --git a/bazarr/app/ui.py b/bazarr/app/ui.py
index 821d2ed21..229768fc4 100644
--- a/bazarr/app/ui.py
+++ b/bazarr/app/ui.py
@@ -9,8 +9,8 @@ from functools import wraps
 from urllib.parse import unquote
 
 from constants import headers
-from sonarr.info import get_sonarr_info, url_sonarr
-from radarr.info import get_radarr_info, url_radarr
+from sonarr.info import url_api_sonarr
+from radarr.info import url_api_radarr
 from utilities.helper import check_credentials
 
 from .config import settings, base_url
@@ -109,10 +109,7 @@ def series_images(url):
     url = url.strip("/")
     apikey = settings.sonarr.apikey
     baseUrl = settings.sonarr.base_url
-    if get_sonarr_info.is_legacy():
-        url_image = f'{url_sonarr()}/api/{url.lstrip(baseUrl)}?apikey={apikey}'.replace('poster-250', 'poster-500')
-    else:
-        url_image = f'{url_sonarr()}/api/v3/{url.lstrip(baseUrl)}?apikey={apikey}'.replace('poster-250', 'poster-500')
+    url_image = f'{url_api_sonarr()}{url.lstrip(baseUrl)}?apikey={apikey}'.replace('poster-250', 'poster-500')
     try:
         req = requests.get(url_image, stream=True, timeout=15, verify=False, headers=headers)
     except Exception:
@@ -126,10 +123,7 @@ def series_images(url):
 def movies_images(url):
     apikey = settings.radarr.apikey
     baseUrl = settings.radarr.base_url
-    if get_radarr_info.is_legacy():
-        url_image = f'{url_radarr()}/api/{url.lstrip(baseUrl)}?apikey={apikey}'
-    else:
-        url_image = f'{url_radarr()}/api/v3/{url.lstrip(baseUrl)}?apikey={apikey}'
+    url_image = f'{url_api_radarr()}{url.lstrip(baseUrl)}?apikey={apikey}'
     try:
         req = requests.get(url_image, stream=True, timeout=15, verify=False, headers=headers)
     except Exception:
diff --git a/bazarr/radarr/filesystem.py b/bazarr/radarr/filesystem.py
index ea6284999..8cd51d3d8 100644
--- a/bazarr/radarr/filesystem.py
+++ b/bazarr/radarr/filesystem.py
@@ -4,7 +4,7 @@ import requests
 import logging
 
 from app.config import settings
-from radarr.info import get_radarr_info, url_radarr
+from radarr.info import url_api_radarr
 from constants import headers
 
 
@@ -12,14 +12,8 @@ def browse_radarr_filesystem(path='#'):
     if path == '#':
         path = ''
 
-    if get_radarr_info.is_legacy():
-        url_radarr_api_filesystem = (f"{url_radarr()}/api/filesystem?path={path}&"
-                                     f"allowFoldersWithoutTrailingSlashes=true&includeFiles=false&"
-                                     f"apikey={settings.radarr.apikey}")
-    else:
-        url_radarr_api_filesystem = (f"{url_radarr()}/api/v3/filesystem?path={path}&"
-                                     f"allowFoldersWithoutTrailingSlashes=true&includeFiles=false&"
-                                     f"apikey={settings.radarr.apikey}")
+    url_radarr_api_filesystem = (f"{url_api_radarr()}filesystem?path={path}&allowFoldersWithoutTrailingSlashes=true&"
+                                 f"includeFiles=false&apikey={settings.radarr.apikey}")
     try:
         r = requests.get(url_radarr_api_filesystem, timeout=int(settings.radarr.http_timeout), verify=False,
                          headers=headers)
diff --git a/bazarr/radarr/info.py b/bazarr/radarr/info.py
index c60980e51..c6a3181f3 100644
--- a/bazarr/radarr/info.py
+++ b/bazarr/radarr/info.py
@@ -95,3 +95,7 @@ def url_radarr():
         port = f":{settings.radarr.port}"
 
     return f"{protocol_radarr}://{settings.radarr.ip}{port}{settings.radarr.base_url}"
+
+
+def url_api_radarr():
+    return url_radarr() + f'/api{"/v3" if not get_radarr_info.is_legacy() else ""}/'
diff --git a/bazarr/radarr/notify.py b/bazarr/radarr/notify.py
index ae0a7f51f..db98b928d 100644
--- a/bazarr/radarr/notify.py
+++ b/bazarr/radarr/notify.py
@@ -4,16 +4,13 @@ import logging
 import requests
 
 from app.config import settings
-from radarr.info import get_radarr_info, url_radarr
+from radarr.info import url_api_radarr
 from constants import headers
 
 
 def notify_radarr(radarr_id):
     try:
-        if get_radarr_info.is_legacy():
-            url = f"{url_radarr()}/api/command?apikey={settings.radarr.apikey}"
-        else:
-            url = f"{url_radarr()}/api/v3/command?apikey={settings.radarr.apikey}"
+        url = f"{url_api_radarr()}command?apikey={settings.radarr.apikey}"
         data = {
             'name': 'RescanMovie',
             'movieId': int(radarr_id)
diff --git a/bazarr/radarr/rootfolder.py b/bazarr/radarr/rootfolder.py
index f2d8b9ef6..477c32845 100644
--- a/bazarr/radarr/rootfolder.py
+++ b/bazarr/radarr/rootfolder.py
@@ -7,7 +7,7 @@ import logging
 from app.config import settings
 from utilities.path_mappings import path_mappings
 from app.database import TableMoviesRootfolder, TableMovies, database, delete, update, insert, select
-from radarr.info import get_radarr_info, url_radarr
+from radarr.info import url_api_radarr
 from constants import headers
 
 
@@ -16,10 +16,7 @@ def get_radarr_rootfolder():
     radarr_rootfolder = []
 
     # Get root folder data from Radarr
-    if get_radarr_info.is_legacy():
-        url_radarr_api_rootfolder = f"{url_radarr()}/api/rootfolder?apikey={apikey_radarr}"
-    else:
-        url_radarr_api_rootfolder = f"{url_radarr()}/api/v3/rootfolder?apikey={apikey_radarr}"
+    url_radarr_api_rootfolder = f"{url_api_radarr()}rootfolder?apikey={apikey_radarr}"
 
     try:
         rootfolder = requests.get(url_radarr_api_rootfolder, timeout=int(settings.radarr.http_timeout), verify=False, headers=headers)
diff --git a/bazarr/radarr/sync/movies.py b/bazarr/radarr/sync/movies.py
index e35d08114..eb951f251 100644
--- a/bazarr/radarr/sync/movies.py
+++ b/bazarr/radarr/sync/movies.py
@@ -6,7 +6,6 @@ import logging
 from sqlalchemy.exc import IntegrityError
 
 from app.config import settings
-from radarr.info import url_radarr
 from utilities.path_mappings import path_mappings
 from subtitles.indexer.movies import store_subtitles_movie, movies_full_scan_subtitles
 from radarr.rootfolder import check_radarr_rootfolder
@@ -82,7 +81,7 @@ def update_movies(send_event=True):
         tagsDict = get_tags()
 
         # Get movies data from radarr
-        movies = get_movies_from_radarr_api(url=url_radarr(), apikey_radarr=apikey_radarr)
+        movies = get_movies_from_radarr_api(apikey_radarr=apikey_radarr)
         if not isinstance(movies, list):
             return
         else:
@@ -100,7 +99,6 @@ def update_movies(send_event=True):
                                      'movieFile' in movie and
                                      (movie['movieFile']['size'] > 20480 or
                                       get_movie_file_size_from_db(movie['movieFile']['path']) > 20480)]
-            movies_to_add = []
 
             # Remove old movies from DB
             movies_to_delete = list(set(current_movies_id_db) - set(current_movies_radarr))
@@ -191,8 +189,7 @@ def update_one_movie(movie_id, action, defer_search=False):
     try:
         # Get movie data from radarr api
         movie = None
-        movie_data = get_movies_from_radarr_api(url=url_radarr(), apikey_radarr=settings.radarr.apikey,
-                                                radarr_id=movie_id)
+        movie_data = get_movies_from_radarr_api(apikey_radarr=settings.radarr.apikey, radarr_id=movie_id)
         if not movie_data:
             return
         else:
diff --git a/bazarr/radarr/sync/utils.py b/bazarr/radarr/sync/utils.py
index 6096786f4..834f74104 100644
--- a/bazarr/radarr/sync/utils.py
+++ b/bazarr/radarr/sync/utils.py
@@ -4,7 +4,7 @@ import requests
 import logging
 
 from app.config import settings
-from radarr.info import get_radarr_info, url_radarr
+from radarr.info import get_radarr_info, url_api_radarr
 from constants import headers
 
 
@@ -12,10 +12,8 @@ def get_profile_list():
     apikey_radarr = settings.radarr.apikey
     profiles_list = []
     # Get profiles data from radarr
-    if get_radarr_info.is_legacy():
-        url_radarr_api_movies = f"{url_radarr()}/api/profile?apikey={apikey_radarr}"
-    else:
-        url_radarr_api_movies = f"{url_radarr()}/api/v3/qualityprofile?apikey={apikey_radarr}"
+    url_radarr_api_movies = (f"{url_api_radarr()}{'quality' if url_api_radarr().endswith('v3/') else ''}profile?"
+                             f"apikey={apikey_radarr}")
 
     try:
         profiles_json = requests.get(url_radarr_api_movies, timeout=int(settings.radarr.http_timeout), verify=False, headers=headers)
@@ -44,10 +42,7 @@ def get_tags():
     tagsDict = []
 
     # Get tags data from Radarr
-    if get_radarr_info.is_legacy():
-        url_radarr_api_series = f"{url_radarr()}/api/tag?apikey={apikey_radarr}"
-    else:
-        url_radarr_api_series = f"{url_radarr()}/api/v3/tag?apikey={apikey_radarr}"
+    url_radarr_api_series = f"{url_api_radarr()}tag?apikey={apikey_radarr}"
 
     try:
         tagsDict = requests.get(url_radarr_api_series, timeout=int(settings.radarr.http_timeout), verify=False, headers=headers)
@@ -70,11 +65,8 @@ def get_tags():
             return []
 
 
-def get_movies_from_radarr_api(url, apikey_radarr, radarr_id=None):
-    if get_radarr_info.is_legacy():
-        url_radarr_api_movies = f'{url}/api/movie{f"/{radarr_id}" if radarr_id else ""}?apikey={apikey_radarr}'
-    else:
-        url_radarr_api_movies = f'{url}/api/v3/movie{f"/{radarr_id}" if radarr_id else ""}?apikey={apikey_radarr}'
+def get_movies_from_radarr_api(apikey_radarr, radarr_id=None):
+    url_radarr_api_movies = f'{url_api_radarr()}movie{f"/{radarr_id}" if radarr_id else ""}?apikey={apikey_radarr}'
 
     try:
         r = requests.get(url_radarr_api_movies, timeout=int(settings.radarr.http_timeout), verify=False, headers=headers)
diff --git a/bazarr/sonarr/filesystem.py b/bazarr/sonarr/filesystem.py
index a0f48d278..58b91a333 100644
--- a/bazarr/sonarr/filesystem.py
+++ b/bazarr/sonarr/filesystem.py
@@ -4,21 +4,15 @@ import requests
 import logging
 
 from app.config import settings
-from sonarr.info import get_sonarr_info, url_sonarr
+from sonarr.info import url_api_sonarr
 from constants import headers
 
 
 def browse_sonarr_filesystem(path='#'):
     if path == '#':
         path = ''
-    if get_sonarr_info.is_legacy():
-        url_sonarr_api_filesystem = (f"{url_sonarr()}/api/filesystem?path={path}&"
-                                     f"allowFoldersWithoutTrailingSlashes=true&includeFiles=false&"
-                                     f"apikey={settings.sonarr.apikey}")
-    else:
-        url_sonarr_api_filesystem = (f"{url_sonarr()}/api/v3/filesystem?path={path}&"
-                                     f"allowFoldersWithoutTrailingSlashes=true&includeFiles=false&"
-                                     f"apikey={settings.sonarr.apikey}")
+    url_sonarr_api_filesystem = (f"{url_api_sonarr()}filesystem?path={path}&allowFoldersWithoutTrailingSlashes=true&"
+                                 f"includeFiles=false&apikey={settings.sonarr.apikey}")
     try:
         r = requests.get(url_sonarr_api_filesystem, timeout=int(settings.sonarr.http_timeout), verify=False,
                          headers=headers)
diff --git a/bazarr/sonarr/info.py b/bazarr/sonarr/info.py
index e36aa54e7..e7fcb8f89 100644
--- a/bazarr/sonarr/info.py
+++ b/bazarr/sonarr/info.py
@@ -95,3 +95,7 @@ def url_sonarr():
         port = f":{settings.sonarr.port}"
 
     return f"{protocol_sonarr}://{settings.sonarr.ip}{port}{settings.sonarr.base_url}"
+
+
+def url_api_sonarr():
+    return url_sonarr() + f'/api{"/v3" if not get_sonarr_info.is_legacy() else ""}/'
diff --git a/bazarr/sonarr/notify.py b/bazarr/sonarr/notify.py
index 66b3096b4..bd92dd9e9 100644
--- a/bazarr/sonarr/notify.py
+++ b/bazarr/sonarr/notify.py
@@ -4,16 +4,13 @@ import logging
 import requests
 
 from app.config import settings
-from sonarr.info import get_sonarr_info, url_sonarr
+from sonarr.info import url_api_sonarr
 from constants import headers
 
 
 def notify_sonarr(sonarr_series_id):
     try:
-        if get_sonarr_info.is_legacy():
-            url = f"{url_sonarr()}/api/command?apikey={settings.sonarr.apikey}"
-        else:
-            url = f"{url_sonarr()}/api/v3/command?apikey={settings.sonarr.apikey}"
+        url = f"{url_api_sonarr()}command?apikey={settings.sonarr.apikey}"
         data = {
             'name': 'RescanSeries',
             'seriesId': int(sonarr_series_id)
diff --git a/bazarr/sonarr/rootfolder.py b/bazarr/sonarr/rootfolder.py
index 3a0b9032a..aa4c8f88d 100644
--- a/bazarr/sonarr/rootfolder.py
+++ b/bazarr/sonarr/rootfolder.py
@@ -7,7 +7,7 @@ import logging
 from app.config import settings
 from app.database import TableShowsRootfolder, TableShows, database, insert, update, delete, select
 from utilities.path_mappings import path_mappings
-from sonarr.info import get_sonarr_info, url_sonarr
+from sonarr.info import url_api_sonarr
 from constants import headers
 
 
@@ -16,10 +16,7 @@ def get_sonarr_rootfolder():
     sonarr_rootfolder = []
 
     # Get root folder data from Sonarr
-    if get_sonarr_info.is_legacy():
-        url_sonarr_api_rootfolder = f"{url_sonarr()}/api/rootfolder?apikey={apikey_sonarr}"
-    else:
-        url_sonarr_api_rootfolder = f"{url_sonarr()}/api/v3/rootfolder?apikey={apikey_sonarr}"
+    url_sonarr_api_rootfolder = f"{url_api_sonarr()}rootfolder?apikey={apikey_sonarr}"
 
     try:
         rootfolder = requests.get(url_sonarr_api_rootfolder, timeout=int(settings.sonarr.http_timeout), verify=False, headers=headers)
diff --git a/bazarr/sonarr/sync/episodes.py b/bazarr/sonarr/sync/episodes.py
index 1ad0f558e..ded02b7d8 100644
--- a/bazarr/sonarr/sync/episodes.py
+++ b/bazarr/sonarr/sync/episodes.py
@@ -47,13 +47,11 @@ def sync_episodes(series_id, send_event=True):
     episodes_to_add = []
 
     # Get episodes data for a series from Sonarr
-    episodes = get_episodes_from_sonarr_api(url=url_sonarr(), apikey_sonarr=apikey_sonarr,
-                                            series_id=series_id)
+    episodes = get_episodes_from_sonarr_api(apikey_sonarr=apikey_sonarr, series_id=series_id)
     if episodes:
         # For Sonarr v3, we need to update episodes to integrate the episodeFile API endpoint results
         if not get_sonarr_info.is_legacy():
-            episodeFiles = get_episodesFiles_from_sonarr_api(url=url_sonarr(), apikey_sonarr=apikey_sonarr,
-                                                             series_id=series_id)
+            episodeFiles = get_episodesFiles_from_sonarr_api(apikey_sonarr=apikey_sonarr, series_id=series_id)
             for episode in episodes:
                 if episodeFiles and episode['hasFile']:
                     item = [x for x in episodeFiles if x['id'] == episode['episodeFileId']]
@@ -137,8 +135,7 @@ def sync_one_episode(episode_id, defer_search=False):
     try:
         # Get episode data from sonarr api
         episode = None
-        episode_data = get_episodes_from_sonarr_api(url=url, apikey_sonarr=apikey_sonarr,
-                                                    episode_id=episode_id)
+        episode_data = get_episodes_from_sonarr_api(apikey_sonarr=apikey_sonarr, episode_id=episode_id)
         if not episode_data:
             return
 
@@ -146,7 +143,7 @@ def sync_one_episode(episode_id, defer_search=False):
             # For Sonarr v3, we need to update episodes to integrate the episodeFile API endpoint results
             if not get_sonarr_info.is_legacy() and existing_episode and episode_data['hasFile']:
                 episode_data['episodeFile'] = \
-                    get_episodesFiles_from_sonarr_api(url=url, apikey_sonarr=apikey_sonarr,
+                    get_episodesFiles_from_sonarr_api(apikey_sonarr=apikey_sonarr,
                                                       episode_file_id=episode_data['episodeFileId'])
             episode = episodeParser(episode_data)
     except Exception:
diff --git a/bazarr/sonarr/sync/utils.py b/bazarr/sonarr/sync/utils.py
index 6b7060514..2da337bd1 100644
--- a/bazarr/sonarr/sync/utils.py
+++ b/bazarr/sonarr/sync/utils.py
@@ -4,7 +4,7 @@ import requests
 import logging
 
 from app.config import settings
-from sonarr.info import get_sonarr_info, url_sonarr
+from sonarr.info import get_sonarr_info, url_api_sonarr
 from constants import headers
 
 
@@ -14,12 +14,12 @@ def get_profile_list():
 
     # Get profiles data from Sonarr
     if get_sonarr_info.is_legacy():
-        url_sonarr_api_series = f"{url_sonarr()}/api/profile?apikey={apikey_sonarr}"
+        url_sonarr_api_series = f"{url_api_sonarr()}profile?apikey={apikey_sonarr}"
     else:
         if not get_sonarr_info.version().startswith('3.'):
             # return an empty list when using Sonarr >= v4 that does not support series languages profiles anymore
             return profiles_list
-        url_sonarr_api_series = f"{url_sonarr()}/api/v3/languageprofile?apikey={apikey_sonarr}"
+        url_sonarr_api_series = f"{url_api_sonarr()}languageprofile?apikey={apikey_sonarr}"
 
     try:
         profiles_json = requests.get(url_sonarr_api_series, timeout=int(settings.sonarr.http_timeout), verify=False,
@@ -50,10 +50,7 @@ def get_tags():
     tagsDict = []
 
     # Get tags data from Sonarr
-    if get_sonarr_info.is_legacy():
-        url_sonarr_api_series = f"{url_sonarr()}/api/tag?apikey={apikey_sonarr}"
-    else:
-        url_sonarr_api_series = f"{url_sonarr()}/api/v3/tag?apikey={apikey_sonarr}"
+    url_sonarr_api_series = f"{url_api_sonarr()}tag?apikey={apikey_sonarr}"
 
     try:
         tagsDict = requests.get(url_sonarr_api_series, timeout=int(settings.sonarr.http_timeout), verify=False, headers=headers)
@@ -71,8 +68,8 @@ def get_tags():
 
 
 def get_series_from_sonarr_api(url, apikey_sonarr, sonarr_series_id=None):
-    url_sonarr_api_series = (f"{url}/api/{'' if get_sonarr_info.is_legacy() else 'v3/'}series/"
-                             f"{sonarr_series_id if sonarr_series_id else ''}?apikey={apikey_sonarr}")
+    url_sonarr_api_series = (f"{url_api_sonarr()}series/{sonarr_series_id if sonarr_series_id else ''}?"
+                             f"apikey={apikey_sonarr}")
     try:
         r = requests.get(url_sonarr_api_series, timeout=int(settings.sonarr.http_timeout), verify=False, headers=headers)
         r.raise_for_status()
@@ -98,13 +95,11 @@ def get_series_from_sonarr_api(url, apikey_sonarr, sonarr_series_id=None):
             return r.json()
 
 
-def get_episodes_from_sonarr_api(url, apikey_sonarr, series_id=None, episode_id=None):
+def get_episodes_from_sonarr_api(apikey_sonarr, series_id=None, episode_id=None):
     if series_id:
-        url_sonarr_api_episode = (f"{url}/api/{'' if get_sonarr_info.is_legacy() else 'v3/'}episode?"
-                                  f"seriesId={series_id}&apikey={apikey_sonarr}")
+        url_sonarr_api_episode = f"{url_api_sonarr()}episode?seriesId={series_id}&apikey={apikey_sonarr}"
     elif episode_id:
-        url_sonarr_api_episode = (f"{url}/api/{'' if get_sonarr_info.is_legacy() else 'v3/'}episode/{episode_id}?"
-                                  f"apikey={apikey_sonarr}")
+        url_sonarr_api_episode = f"{url_api_sonarr()}episode/{episode_id}?apikey={apikey_sonarr}"
     else:
         return
 
@@ -127,11 +122,11 @@ def get_episodes_from_sonarr_api(url, apikey_sonarr, series_id=None, episode_id=
         return r.json()
 
 
-def get_episodesFiles_from_sonarr_api(url, apikey_sonarr, series_id=None, episode_file_id=None):
+def get_episodesFiles_from_sonarr_api(apikey_sonarr, series_id=None, episode_file_id=None):
     if series_id:
-        url_sonarr_api_episodeFiles = f"{url}/api/v3/episodeFile?seriesId={series_id}&apikey={apikey_sonarr}"
+        url_sonarr_api_episodeFiles = f"{url_api_sonarr}episodeFile?seriesId={series_id}&apikey={apikey_sonarr}"
     elif episode_file_id:
-        url_sonarr_api_episodeFiles = f"{url}/api/v3/episodeFile/{episode_file_id}?apikey={apikey_sonarr}"
+        url_sonarr_api_episodeFiles = f"{url_api_sonarr}episodeFile/{episode_file_id}?apikey={apikey_sonarr}"
     else:
         return