diff --git a/overseerr-api.yml b/overseerr-api.yml
index c28079dbc..cf7224484 100644
--- a/overseerr-api.yml
+++ b/overseerr-api.yml
@@ -1537,7 +1537,7 @@ paths:
               schema:
                 $ref: '#/components/schemas/MainSettings'
   /settings/main/regenerate:
-    get:
+    post:
       summary: Get main settings with newly-generated API key
       description: Returns main settings in a JSON object, using the new API key.
       tags:
@@ -1612,21 +1612,50 @@ paths:
                   $ref: '#/components/schemas/PlexLibrary'
   /settings/plex/sync:
     get:
+      summary: Get status of full Plex library sync
+      description: Returns sync progress in a JSON array.
+      tags:
+        - settings
+      responses:
+        '200':
+          description: Status of Plex sync
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  running:
+                    type: boolean
+                    example: false
+                  progress:
+                    type: number
+                    example: 0
+                  total:
+                    type: number
+                    example: 100
+                  currentLibrary:
+                    $ref: '#/components/schemas/PlexLibrary'
+                  libraries:
+                    type: array
+                    items:
+                      $ref: '#/components/schemas/PlexLibrary'
+    post:
       summary: Start full Plex library sync
       description: Runs a full Plex library sync and returns the progress in a JSON array.
       tags:
         - settings
-      parameters:
-        - in: query
-          name: cancel
-          schema:
-            type: boolean
-            example: false
-        - in: query
-          name: start
-          schema:
-            type: boolean
-            example: false
+      requestBody:
+        content:
+          application/json:
+            schema:
+              type: object
+              properties:
+                cancel:
+                  type: boolean
+                  example: false
+                start:
+                  type: boolean
+                  example: false
       responses:
         '200':
           description: Status of Plex sync
@@ -1946,7 +1975,7 @@ paths:
               schema:
                 $ref: '#/components/schemas/PublicSettings'
   /settings/initialize:
-    get:
+    post:
       summary: Initialize application
       description: Sets the app as initialized, allowing the user to navigate to pages other than the setup page.
       tags:
@@ -1990,7 +2019,7 @@ paths:
                       type: boolean
                       example: false
   /settings/jobs/{jobId}/run:
-    get:
+    post:
       summary: Invoke a specific job
       description: Invokes a specific job to run. Will return the new job status in JSON format.
       tags:
@@ -2025,7 +2054,7 @@ paths:
                     type: boolean
                     example: false
   /settings/jobs/{jobId}/cancel:
-    get:
+    post:
       summary: Cancel a specific job
       description: Cancels a specific job. Will return the new job status in JSON format.
       tags:
@@ -2095,7 +2124,7 @@ paths:
                         vsize:
                           type: number
   /settings/cache/{cacheId}/flush:
-    get:
+    post:
       summary: Flush a specific cache
       description: Flushes all data from the cache ID provided
       tags:
@@ -2511,7 +2540,7 @@ paths:
                 - email
                 - password
   /auth/logout:
-    get:
+    post:
       summary: Sign out and clear session cookie
       description: Completely clear the session cookie and associated values, effectively signing the user out.
       tags:
@@ -3187,10 +3216,10 @@ paths:
               schema:
                 $ref: '#/components/schemas/MediaRequest'
   /request/{requestId}/{status}:
-    get:
-      summary: Update a requests status
+    post:
+      summary: Update a request's status
       description: |
-        Updates a requests status to approved or declined. Also returns the request in a JSON object.
+        Updates a request's status to approved or declined. Also returns the request in a JSON object.
 
         Requires the `MANAGE_REQUESTS` permission or `ADMIN`.
       tags:
@@ -3681,9 +3710,9 @@ paths:
         '204':
           description: Succesfully removed media item
   /media/{mediaId}/{status}:
-    get:
+    post:
       summary: Update media status
-      description: Updates a medias status and returns the media in JSON format
+      description: Updates a media item's status and returns the media in JSON format
       tags:
         - media
       parameters:
@@ -3702,12 +3731,15 @@ paths:
           schema:
             type: string
             enum: [available, partial, processing, pending, unknown]
-        - in: query
-          name: is4k
-          description: 4K Status
-          example: false
-          schema:
-            type: boolean
+      requestBody:
+        content:
+          application/json:
+            schema:
+              type: object
+              properties:
+                is4k:
+                  type: boolean
+                  example: false
       responses:
         '200':
           description: Returned media
diff --git a/server/routes/auth.ts b/server/routes/auth.ts
index bb20b9ca0..efa212e49 100644
--- a/server/routes/auth.ts
+++ b/server/routes/auth.ts
@@ -184,7 +184,7 @@ authRoutes.post('/local', async (req, res, next) => {
   }
 });
 
-authRoutes.get('/logout', (req, res, next) => {
+authRoutes.post('/logout', (req, res, next) => {
   req.session?.destroy((err) => {
     if (err) {
       return next({
diff --git a/server/routes/media.ts b/server/routes/media.ts
index f6c6a505f..c77f77084 100644
--- a/server/routes/media.ts
+++ b/server/routes/media.ts
@@ -82,7 +82,7 @@ mediaRoutes.get('/', async (req, res, next) => {
   }
 });
 
-mediaRoutes.get<
+mediaRoutes.post<
   {
     id: string;
     status: 'available' | 'partial' | 'processing' | 'pending' | 'unknown';
@@ -102,7 +102,7 @@ mediaRoutes.get<
       return next({ status: 404, message: 'Media does not exist.' });
     }
 
-    const is4k = Boolean(req.query.is4k);
+    const is4k = Boolean(req.body.is4k);
 
     switch (req.params.status) {
       case 'available':
diff --git a/server/routes/request.ts b/server/routes/request.ts
index 7a23ebff9..a97bac0a3 100644
--- a/server/routes/request.ts
+++ b/server/routes/request.ts
@@ -489,7 +489,7 @@ requestRoutes.post<{
   }
 );
 
-requestRoutes.get<{
+requestRoutes.post<{
   requestId: string;
   status: 'pending' | 'approve' | 'decline';
 }>(
diff --git a/server/routes/settings/index.ts b/server/routes/settings/index.ts
index 61dabe217..0099d28cb 100644
--- a/server/routes/settings/index.ts
+++ b/server/routes/settings/index.ts
@@ -54,7 +54,7 @@ settingsRoutes.post('/main', (req, res) => {
   return res.status(200).json(settings.main);
 });
 
-settingsRoutes.get('/main/regenerate', (req, res, next) => {
+settingsRoutes.post('/main/regenerate', (req, res, next) => {
   const settings = getSettings();
 
   const main = settings.regenerateApiKey();
@@ -210,10 +210,14 @@ settingsRoutes.get('/plex/library', async (req, res) => {
   return res.status(200).json(settings.plex.libraries);
 });
 
-settingsRoutes.get('/plex/sync', (req, res) => {
-  if (req.query.cancel) {
+settingsRoutes.get('/plex/sync', (_req, res) => {
+  return res.status(200).json(jobPlexFullSync.status());
+});
+
+settingsRoutes.post('/plex/sync', (req, res) => {
+  if (req.body.cancel) {
     jobPlexFullSync.cancel();
-  } else if (req.query.start) {
+  } else if (req.body.start) {
     jobPlexFullSync.run();
   }
   return res.status(200).json(jobPlexFullSync.status());
@@ -231,7 +235,7 @@ settingsRoutes.get('/jobs', (_req, res) => {
   );
 });
 
-settingsRoutes.get<{ jobId: string }>('/jobs/:jobId/run', (req, res, next) => {
+settingsRoutes.post<{ jobId: string }>('/jobs/:jobId/run', (req, res, next) => {
   const scheduledJob = scheduledJobs.find((job) => job.id === req.params.jobId);
 
   if (!scheduledJob) {
@@ -249,7 +253,7 @@ settingsRoutes.get<{ jobId: string }>('/jobs/:jobId/run', (req, res, next) => {
   });
 });
 
-settingsRoutes.get<{ jobId: string }>(
+settingsRoutes.post<{ jobId: string }>(
   '/jobs/:jobId/cancel',
   (req, res, next) => {
     const scheduledJob = scheduledJobs.find(
@@ -286,7 +290,7 @@ settingsRoutes.get('/cache', (req, res) => {
   );
 });
 
-settingsRoutes.get<{ cacheId: AvailableCacheIds }>(
+settingsRoutes.post<{ cacheId: AvailableCacheIds }>(
   '/cache/:cacheId/flush',
   (req, res, next) => {
     const cache = cacheManager.getCache(req.params.cacheId);
@@ -300,7 +304,7 @@ settingsRoutes.get<{ cacheId: AvailableCacheIds }>(
   }
 );
 
-settingsRoutes.get(
+settingsRoutes.post(
   '/initialize',
   isAuthenticated(Permission.ADMIN),
   (_req, res) => {
diff --git a/src/components/Layout/UserDropdown/index.tsx b/src/components/Layout/UserDropdown/index.tsx
index 16a40a5af..302574a78 100644
--- a/src/components/Layout/UserDropdown/index.tsx
+++ b/src/components/Layout/UserDropdown/index.tsx
@@ -16,7 +16,7 @@ const UserDropdown: React.FC = () => {
   useClickOutside(dropdownRef, () => setDropdownOpen(false));
 
   const logout = async () => {
-    const response = await axios.get('/api/v1/auth/logout');
+    const response = await axios.post('/api/v1/auth/logout');
 
     if (response.data?.status === 'ok') {
       revalidate();
@@ -24,16 +24,16 @@ const UserDropdown: React.FC = () => {
   };
 
   return (
-    <div className="ml-3 relative">
+    <div className="relative ml-3">
       <div>
         <button
-          className="max-w-xs flex items-center text-sm rounded-full focus:outline-none focus:ring"
+          className="flex items-center max-w-xs text-sm rounded-full focus:outline-none focus:ring"
           id="user-menu"
           aria-label="User menu"
           aria-haspopup="true"
           onClick={() => setDropdownOpen(true)}
         >
-          <img className="h-8 w-8 rounded-full" src={user?.avatar} alt="" />
+          <img className="w-8 h-8 rounded-full" src={user?.avatar} alt="" />
         </button>
       </div>
       <Transition
@@ -46,18 +46,18 @@ const UserDropdown: React.FC = () => {
         leaveTo="transform opacity-0 scale-95"
       >
         <div
-          className="origin-top-right absolute right-0 mt-2 w-48 rounded-md shadow-lg"
+          className="absolute right-0 w-48 mt-2 origin-top-right rounded-md shadow-lg"
           ref={dropdownRef}
         >
           <div
-            className="py-1 rounded-md bg-gray-700 ring-1 ring-black ring-opacity-5"
+            className="py-1 bg-gray-700 rounded-md ring-1 ring-black ring-opacity-5"
             role="menu"
             aria-orientation="vertical"
             aria-labelledby="user-menu"
           >
             <a
               href="#"
-              className="block px-4 py-2 text-sm text-gray-200 hover:bg-gray-600 transition ease-in-out duration-150"
+              className="block px-4 py-2 text-sm text-gray-200 transition duration-150 ease-in-out hover:bg-gray-600"
               role="menuitem"
               onClick={() => logout()}
             >
diff --git a/src/components/MovieDetails/index.tsx b/src/components/MovieDetails/index.tsx
index f23130a14..4804d238d 100644
--- a/src/components/MovieDetails/index.tsx
+++ b/src/components/MovieDetails/index.tsx
@@ -123,10 +123,8 @@ const MovieDetails: React.FC<MovieDetailsProps> = ({ movie }) => {
   };
 
   const markAvailable = async (is4k = false) => {
-    await axios.get(`/api/v1/media/${data?.mediaInfo?.id}/available`, {
-      params: {
-        is4k,
-      },
+    await axios.post(`/api/v1/media/${data?.mediaInfo?.id}/available`, {
+      is4k,
     });
     revalidate();
   };
diff --git a/src/components/RequestBlock/index.tsx b/src/components/RequestBlock/index.tsx
index aa925aef2..28966d2f5 100644
--- a/src/components/RequestBlock/index.tsx
+++ b/src/components/RequestBlock/index.tsx
@@ -30,7 +30,7 @@ const RequestBlock: React.FC<RequestBlockProps> = ({ request, onUpdate }) => {
 
   const updateRequest = async (type: 'approve' | 'decline'): Promise<void> => {
     setIsUpdating(true);
-    await axios.get(`/api/v1/request/${request.id}/${type}`);
+    await axios.post(`/api/v1/request/${request.id}/${type}`);
 
     if (onUpdate) {
       onUpdate();
diff --git a/src/components/RequestButton/index.tsx b/src/components/RequestButton/index.tsx
index 0f3ad6da1..ce3868785 100644
--- a/src/components/RequestButton/index.tsx
+++ b/src/components/RequestButton/index.tsx
@@ -83,7 +83,7 @@ const RequestButton: React.FC<RequestButtonProps> = ({
     request: MediaRequest,
     type: 'approve' | 'decline'
   ) => {
-    const response = await axios.get(`/api/v1/request/${request.id}/${type}`);
+    const response = await axios.post(`/api/v1/request/${request.id}/${type}`);
 
     if (response) {
       onUpdate();
@@ -100,7 +100,7 @@ const RequestButton: React.FC<RequestButtonProps> = ({
 
     await Promise.all(
       requests.map(async (request) => {
-        return axios.get(`/api/v1/request/${request.id}/${type}`);
+        return axios.post(`/api/v1/request/${request.id}/${type}`);
       })
     );
 
diff --git a/src/components/RequestCard/index.tsx b/src/components/RequestCard/index.tsx
index 858e8e465..5697cfdda 100644
--- a/src/components/RequestCard/index.tsx
+++ b/src/components/RequestCard/index.tsx
@@ -62,7 +62,7 @@ const RequestCard: React.FC<RequestCardProps> = ({ request }) => {
   });
 
   const modifyRequest = async (type: 'approve' | 'decline') => {
-    const response = await axios.get(`/api/v1/request/${request.id}/${type}`);
+    const response = await axios.post(`/api/v1/request/${request.id}/${type}`);
 
     if (response) {
       revalidate();
diff --git a/src/components/RequestList/RequestItem/index.tsx b/src/components/RequestList/RequestItem/index.tsx
index d7e3cae37..32d2c33c0 100644
--- a/src/components/RequestList/RequestItem/index.tsx
+++ b/src/components/RequestList/RequestItem/index.tsx
@@ -70,7 +70,7 @@ const RequestItem: React.FC<RequestItemProps> = ({
   const [isRetrying, setRetrying] = useState(false);
 
   const modifyRequest = async (type: 'approve' | 'decline') => {
-    const response = await axios.get(`/api/v1/request/${request.id}/${type}`);
+    const response = await axios.post(`/api/v1/request/${request.id}/${type}`);
 
     if (response) {
       revalidate();
diff --git a/src/components/Settings/SettingsJobsCache/index.tsx b/src/components/Settings/SettingsJobsCache/index.tsx
index 0a3c87d92..3ba68520f 100644
--- a/src/components/Settings/SettingsJobsCache/index.tsx
+++ b/src/components/Settings/SettingsJobsCache/index.tsx
@@ -63,7 +63,7 @@ const SettingsJobs: React.FC = () => {
   }
 
   const runJob = async (job: Job) => {
-    await axios.get(`/api/v1/settings/jobs/${job.id}/run`);
+    await axios.post(`/api/v1/settings/jobs/${job.id}/run`);
     addToast(
       intl.formatMessage(messages.jobstarted, {
         jobname: job.name,
@@ -77,7 +77,7 @@ const SettingsJobs: React.FC = () => {
   };
 
   const cancelJob = async (job: Job) => {
-    await axios.get(`/api/v1/settings/jobs/${job.id}/cancel`);
+    await axios.post(`/api/v1/settings/jobs/${job.id}/cancel`);
     addToast(intl.formatMessage(messages.jobcancelled, { jobname: job.name }), {
       appearance: 'error',
       autoDismiss: true,
@@ -86,7 +86,7 @@ const SettingsJobs: React.FC = () => {
   };
 
   const flushCache = async (cache: CacheItem) => {
-    await axios.get(`/api/v1/settings/cache/${cache.id}/flush`);
+    await axios.post(`/api/v1/settings/cache/${cache.id}/flush`);
     addToast(
       intl.formatMessage(messages.cacheflushed, { cachename: cache.name }),
       {
diff --git a/src/components/Settings/SettingsMain.tsx b/src/components/Settings/SettingsMain.tsx
index 50dfa1534..9fa92d07f 100644
--- a/src/components/Settings/SettingsMain.tsx
+++ b/src/components/Settings/SettingsMain.tsx
@@ -70,7 +70,7 @@ const SettingsMain: React.FC = () => {
 
   const regenerate = async () => {
     try {
-      await axios.get('/api/v1/settings/main/regenerate');
+      await axios.post('/api/v1/settings/main/regenerate');
 
       revalidate();
       addToast(intl.formatMessage(messages.toastApiKeySuccess), {
diff --git a/src/components/Settings/SettingsPlex.tsx b/src/components/Settings/SettingsPlex.tsx
index db1c80f7d..e22a89245 100644
--- a/src/components/Settings/SettingsPlex.tsx
+++ b/src/components/Settings/SettingsPlex.tsx
@@ -212,19 +212,15 @@ const SettingsPlex: React.FC<SettingsPlexProps> = ({ onComplete }) => {
   };
 
   const startScan = async () => {
-    await axios.get('/api/v1/settings/plex/sync', {
-      params: {
-        start: true,
-      },
+    await axios.post('/api/v1/settings/plex/sync', {
+      start: true,
     });
     revalidateSync();
   };
 
   const cancelScan = async () => {
-    await axios.get('/api/v1/settings/plex/sync', {
-      params: {
-        cancel: true,
-      },
+    await axios.post('/api/v1/settings/plex/sync', {
+      cancel: true,
     });
     revalidateSync();
   };
diff --git a/src/components/Setup/index.tsx b/src/components/Setup/index.tsx
index b6d3de18a..e0a21e5f6 100644
--- a/src/components/Setup/index.tsx
+++ b/src/components/Setup/index.tsx
@@ -35,7 +35,7 @@ const Setup: React.FC = () => {
 
   const finishSetup = async () => {
     setIsUpdating(false);
-    const response = await axios.get<{ initialized: boolean }>(
+    const response = await axios.post<{ initialized: boolean }>(
       '/api/v1/settings/initialize'
     );
 
diff --git a/src/components/TvDetails/index.tsx b/src/components/TvDetails/index.tsx
index 389c9b2b5..f19ca4983 100644
--- a/src/components/TvDetails/index.tsx
+++ b/src/components/TvDetails/index.tsx
@@ -127,10 +127,8 @@ const TvDetails: React.FC<TvDetailsProps> = ({ tv }) => {
   };
 
   const markAvailable = async (is4k = false) => {
-    await axios.get(`/api/v1/media/${data?.mediaInfo?.id}/available`, {
-      params: {
-        is4k,
-      },
+    await axios.post(`/api/v1/media/${data?.mediaInfo?.id}/available`, {
+      is4k,
     });
     revalidate();
   };