diff --git a/lib/app_store_connect.dart b/lib/app_store_connect.dart
index fa96616..7829ee3 100644
--- a/lib/app_store_connect.dart
+++ b/lib/app_store_connect.dart
@@ -1,2 +1,4 @@
 export 'src/app_store_connect.dart' show AppStoreConnect;
+export 'src/http_client.dart';
+export 'src/models/build.dart' show Build;
 export 'src/models/profile.dart' show Profile;
diff --git a/lib/src/app_store_connect.dart b/lib/src/app_store_connect.dart
index e452b5f..c1186d9 100644
--- a/lib/src/app_store_connect.dart
+++ b/lib/src/app_store_connect.dart
@@ -1,5 +1,4 @@
-import 'dart:io';
-
+import 'package:app_store_connect_apis/src/models/app_store_version.dart';
 import 'package:app_store_connect_apis/src/provisioning.dart';
 
 import 'builds.dart';
@@ -9,7 +8,6 @@ import 'models/profile.dart';
 class AppStoreConnect {
   final String _issuer;
   final String _keyId;
-  final String _keyFilePath;
   late final String _keyFileContent;
   late final Provisioning _provisioning;
   late final Builds _builds;
@@ -19,8 +17,7 @@ class AppStoreConnect {
   /// [_keyId] Your private key ID from App Store Connect
   ///
   /// [_keyFilePath] Path to the private key file from App Store Connect
-  AppStoreConnect(this._issuer, this._keyId, this._keyFilePath) {
-    loadKeyFileContent();
+  AppStoreConnect(this._issuer, this._keyId, this._keyFileContent) {
     _provisioning = Provisioning(_issuer, _keyId, _keyFileContent);
     _builds = Builds(_issuer, _keyId, _keyFileContent);
   }
@@ -40,12 +37,9 @@ class AppStoreConnect {
     return _builds.getAllBuilds();
   }
 
-  void loadKeyFileContent() {
-    try {
-      _keyFileContent = File(_keyFilePath).readAsStringSync();
-    } catch (e) {
-      throw FileSystemException(
-          'Could not load the Apple App Store Connect key file', _keyFilePath);
-    }
+  Future<List<AppStoreVersion>> getAppVersions() async {
+    List<AppStoreVersion> res = List.empty(growable: true);
+
+    return res;
   }
 }
diff --git a/lib/src/app_store_versions.dart b/lib/src/app_store_versions.dart
new file mode 100644
index 0000000..87fa3ed
--- /dev/null
+++ b/lib/src/app_store_versions.dart
@@ -0,0 +1,40 @@
+import 'dart:convert';
+
+import 'package:http/http.dart' as http;
+
+import 'http_client.dart';
+import 'jwt.dart';
+import 'models/build.dart';
+
+class AppStoreVersions {
+  final String _issuer;
+  final String _keyId;
+  final String _keyFileContent;
+
+  AppStoreVersions(this._issuer, this._keyId, this._keyFileContent);
+
+  /// Gets a list of all versions
+  Future<List<Build>> getAllVersions() async {
+    var jwt = createJWT(_issuer, _keyFileContent, _keyId);
+
+    var response = await get(
+        'https://api.appstoreconnect.apple.com/v1/6471971574/appStoreVersions',
+        jwt);
+
+    print('Response: $response Data: ${jsonDecode(response.body)}');
+    var builds = _convertResponseToListOfBuilds(response);
+
+    return builds;
+  }
+
+  List<Build> _convertResponseToListOfBuilds(http.Response response) {
+    dynamic jsonResponse = jsonDecode(response.body);
+    List<dynamic> allProfiles = jsonResponse['data'] as List<dynamic>;
+
+    var profiles = allProfiles
+        .map((dynamic e) => Build.fromJson(e as Map<String, dynamic>))
+        .toList();
+
+    return profiles;
+  }
+}
diff --git a/lib/src/models/app_store_version.dart b/lib/src/models/app_store_version.dart
new file mode 100644
index 0000000..7e2f2f3
--- /dev/null
+++ b/lib/src/models/app_store_version.dart
@@ -0,0 +1 @@
+class AppStoreVersion {}
diff --git a/pubspec.yaml b/pubspec.yaml
index aa7b2bf..1a5636c 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -9,10 +9,12 @@ environment:
   sdk: ">=2.12.0 <3.0.0"
 
 dependencies:
-  http: ^0.13.4
+  flutter:
+    sdk: flutter
+  http: ^1.1.2
   jose: ^0.3.2
 
 dev_dependencies:
   lints: ^1.0.1
   test: ^1.19.3
-  dartdoc: ^4.1.0
+  dartdoc: ^8.2.3