diff --git a/lib/main.dart b/lib/main.dart
index 3fcf32bb..141d32fe 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -15,9 +15,10 @@ Future main() async {
   await setupLocator();
   WidgetsFlutterBinding.ensureInitialized();
   await locator<ManagerAPI>().initialize();
-  await locator<PatcherAPI>().initialize();
-  locator<RevancedAPI>().initialize();
+  String apiUrl = locator<ManagerAPI>().getApiUrl();
+  await locator<RevancedAPI>().initialize(apiUrl);
   locator<GithubAPI>().initialize();
+  await locator<PatcherAPI>().initialize();
   runApp(const MyApp());
 }
 
diff --git a/lib/services/github_api.dart b/lib/services/github_api.dart
index 625a189b..3af68e0e 100644
--- a/lib/services/github_api.dart
+++ b/lib/services/github_api.dart
@@ -9,8 +9,7 @@ import 'package:revanced_manager/models/patch.dart';
 
 @lazySingleton
 class GithubAPI {
-  final String apiUrl = 'https://api.github.com';
-  final Dio _dio = Dio();
+  final Dio _dio = Dio(BaseOptions(baseUrl: 'https://api.github.com'));
   final DioCacheManager _dioCacheManager = DioCacheManager(CacheConfig());
   final Options _cacheOptions = buildCacheOptions(
     const Duration(days: 1),
@@ -37,7 +36,7 @@ class GithubAPI {
   Future<Map<String, dynamic>?> _getLatestRelease(String repoName) async {
     try {
       var response = await _dio.get(
-        '$apiUrl/repos/$repoName/releases/latest',
+        '/repos/$repoName/releases/latest',
         options: _cacheOptions,
       );
       return response.data;
@@ -55,7 +54,7 @@ class GithubAPI {
         'src/main/kotlin/app/revanced/patches/${repoAppPath[packageName]}';
     try {
       var response = await _dio.get(
-        '$apiUrl/repos/$repoName/commits',
+        '/repos/$repoName/commits',
         queryParameters: {
           'path': path,
           'per_page': 3,
diff --git a/lib/services/manager_api.dart b/lib/services/manager_api.dart
index eed5e4e3..679454d0 100644
--- a/lib/services/manager_api.dart
+++ b/lib/services/manager_api.dart
@@ -38,6 +38,8 @@ class ManagerAPI {
     if (url.isEmpty || url == ' ') {
       url = defaultApiUrl;
     }
+    await _revancedAPI.initialize(url);
+    await _revancedAPI.clearAllCache();
     await _prefs.setString('apiUrl', url);
   }
 
@@ -118,15 +120,13 @@ class ManagerAPI {
   }
 
   Future<Map<String, List<dynamic>>> getContributors() async {
-    String apiUrl = getApiUrl();
-    return await _revancedAPI.getContributors(apiUrl);
+    return await _revancedAPI.getContributors();
   }
 
   Future<List<Patch>> getPatches() async {
     String repoName = getPatchesRepo();
     if (repoName == defaultPatchesRepo) {
-      String apiUrl = getApiUrl();
-      return await _revancedAPI.getPatches(apiUrl);
+      return await _revancedAPI.getPatches();
     } else {
       return await _githubAPI.getPatches(repoName);
     }
@@ -135,9 +135,7 @@ class ManagerAPI {
   Future<File?> downloadPatches() async {
     String repoName = getPatchesRepo();
     if (repoName == defaultPatchesRepo) {
-      String apiUrl = getApiUrl();
       return await _revancedAPI.getLatestReleaseFile(
-        apiUrl,
         '.jar',
         defaultPatchesRepo,
       );
@@ -149,9 +147,7 @@ class ManagerAPI {
   Future<File?> downloadIntegrations() async {
     String repoName = getIntegrationsRepo();
     if (repoName == defaultIntegrationsRepo) {
-      String apiUrl = getApiUrl();
       return await _revancedAPI.getLatestReleaseFile(
-        apiUrl,
         '.apk',
         defaultIntegrationsRepo,
       );
@@ -161,36 +157,19 @@ class ManagerAPI {
   }
 
   Future<File?> downloadManager() async {
-    String apiUrl = getApiUrl();
-    return await _revancedAPI.getLatestReleaseFile(
-      apiUrl,
-      '.apk',
-      defaultManagerRepo,
-    );
+    return await _revancedAPI.getLatestReleaseFile('.apk', defaultManagerRepo);
   }
 
   Future<String?> getLatestPatcherReleaseTime() async {
-    String apiUrl = getApiUrl();
-    return await _revancedAPI.getLatestReleaseTime(
-      apiUrl,
-      '.gz',
-      defaultPatcherRepo,
-    );
+    return await _revancedAPI.getLatestReleaseTime('.gz', defaultPatcherRepo);
   }
 
   Future<String?> getLatestManagerReleaseTime() async {
-    String apiUrl = getApiUrl();
-    return await _revancedAPI.getLatestReleaseTime(
-      apiUrl,
-      '.apk',
-      defaultManagerRepo,
-    );
+    return await _revancedAPI.getLatestReleaseTime('.apk', defaultManagerRepo);
   }
 
   Future<String?> getLatestManagerVersion() async {
-    String apiUrl = getApiUrl();
     return await _revancedAPI.getLatestReleaseVersion(
-      apiUrl,
       '.apk',
       defaultManagerRepo,
     );
diff --git a/lib/services/revanced_api.dart b/lib/services/revanced_api.dart
index a75e32a1..5c2b9433 100644
--- a/lib/services/revanced_api.dart
+++ b/lib/services/revanced_api.dart
@@ -9,14 +9,15 @@ import 'package:timeago/timeago.dart';
 
 @lazySingleton
 class RevancedAPI {
-  final Dio _dio = Dio();
+  late Dio _dio = Dio();
   final DioCacheManager _dioCacheManager = DioCacheManager(CacheConfig());
   final Options _cacheOptions = buildCacheOptions(
     const Duration(days: 1),
     maxStale: const Duration(days: 7),
   );
 
-  Future<void> initialize() async {
+  Future<void> initialize(String apiUrl) async {
+    _dio = Dio(BaseOptions(baseUrl: apiUrl));
     _dio.interceptors.add(_dioCacheManager.interceptor);
   }
 
@@ -24,13 +25,10 @@ class RevancedAPI {
     await _dioCacheManager.clearAll();
   }
 
-  Future<Map<String, List<dynamic>>> getContributors(String apiUrl) async {
+  Future<Map<String, List<dynamic>>> getContributors() async {
     Map<String, List<dynamic>> contributors = {};
     try {
-      var response = await _dio.get(
-        '$apiUrl/contributors',
-        options: _cacheOptions,
-      );
+      var response = await _dio.get('/contributors', options: _cacheOptions);
       List<dynamic> repositories = response.data['repositories'];
       for (Map<String, dynamic> repo in repositories) {
         String name = repo['name'];
@@ -42,9 +40,9 @@ class RevancedAPI {
     return contributors;
   }
 
-  Future<List<Patch>> getPatches(String apiUrl) async {
+  Future<List<Patch>> getPatches() async {
     try {
-      var response = await _dio.get('$apiUrl/patches', options: _cacheOptions);
+      var response = await _dio.get('/patches', options: _cacheOptions);
       List<dynamic> patches = response.data;
       return patches.map((patch) => Patch.fromJson(patch)).toList();
     } on Exception {
@@ -53,12 +51,11 @@ class RevancedAPI {
   }
 
   Future<Map<String, dynamic>?> _getLatestRelease(
-    String apiUrl,
     String extension,
     String repoName,
   ) async {
     try {
-      var response = await _dio.get('$apiUrl/tools', options: _cacheOptions);
+      var response = await _dio.get('/tools', options: _cacheOptions);
       List<dynamic> tools = response.data['tools'];
       return tools.firstWhereOrNull(
         (t) =>
@@ -71,13 +68,14 @@ class RevancedAPI {
   }
 
   Future<String?> getLatestReleaseVersion(
-    String apiUrl,
     String extension,
     String repoName,
   ) async {
     try {
-      Map<String, dynamic>? release =
-          await _getLatestRelease(apiUrl, extension, repoName);
+      Map<String, dynamic>? release = await _getLatestRelease(
+        extension,
+        repoName,
+      );
       if (release != null) {
         return release['version'];
       }
@@ -87,14 +85,9 @@ class RevancedAPI {
     return null;
   }
 
-  Future<File?> getLatestReleaseFile(
-    String apiUrl,
-    String extension,
-    String repoName,
-  ) async {
+  Future<File?> getLatestReleaseFile(String extension, String repoName) async {
     try {
       Map<String, dynamic>? release = await _getLatestRelease(
-        apiUrl,
         extension,
         repoName,
       );
@@ -109,13 +102,11 @@ class RevancedAPI {
   }
 
   Future<String?> getLatestReleaseTime(
-    String apiUrl,
     String extension,
     String repoName,
   ) async {
     try {
       Map<String, dynamic>? release = await _getLatestRelease(
-        apiUrl,
         extension,
         repoName,
       );