diff --git a/src/app/Http/Controllers/API/V4/Admin/DomainsController.php b/src/app/Http/Controllers/API/V4/Admin/DomainsController.php
--- a/src/app/Http/Controllers/API/V4/Admin/DomainsController.php
+++ b/src/app/Http/Controllers/API/V4/Admin/DomainsController.php
@@ -51,11 +51,11 @@
         }
 
         // Process the result
-        $result = $result->map(function ($domain) {
-            $data = $domain->toArray();
-            $data = array_merge($data, self::domainStatuses($domain));
-            return $data;
-        });
+        $result = $result->map(
+            function ($domain) {
+                return $this->objectToClient($domain);
+            }
+        );
 
         $result = [
             'list' => $result,
diff --git a/src/app/Http/Controllers/API/V4/Admin/GroupsController.php b/src/app/Http/Controllers/API/V4/Admin/GroupsController.php
--- a/src/app/Http/Controllers/API/V4/Admin/GroupsController.php
+++ b/src/app/Http/Controllers/API/V4/Admin/GroupsController.php
@@ -37,16 +37,11 @@
         }
 
         // Process the result
-        $result = $result->map(function ($group) {
-            $data = [
-                'id' => $group->id,
-                'email' => $group->email,
-                'name' => $group->name,
-            ];
-
-            $data = array_merge($data, self::groupStatuses($group));
-            return $data;
-        });
+        $result = $result->map(
+            function ($group) {
+                return $this->objectToClient($group);
+            }
+        );
 
         $result = [
             'list' => $result,
diff --git a/src/app/Http/Controllers/API/V4/Admin/UsersController.php b/src/app/Http/Controllers/API/V4/Admin/UsersController.php
--- a/src/app/Http/Controllers/API/V4/Admin/UsersController.php
+++ b/src/app/Http/Controllers/API/V4/Admin/UsersController.php
@@ -128,9 +128,7 @@
         // Process the result
         $result = $result->map(
             function ($user) {
-                $data = $user->toArray();
-                $data = array_merge($data, self::userStatuses($user));
-                return $data;
+                return $this->objectToClient($user, true);
             }
         );
 
diff --git a/src/app/Http/Controllers/API/V4/DomainsController.php b/src/app/Http/Controllers/API/V4/DomainsController.php
--- a/src/app/Http/Controllers/API/V4/DomainsController.php
+++ b/src/app/Http/Controllers/API/V4/DomainsController.php
@@ -6,13 +6,16 @@
 use App\Http\Controllers\Controller;
 use App\Backends\LDAP;
 use App\Rules\UserEmailDomain;
-use Carbon\Carbon;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Validator;
 
 class DomainsController extends Controller
 {
+    /** @var array Common object properties in the API response */
+    protected static $objectProps = ['namespace', 'status', 'type'];
+
+
     /**
      * Return a list of domains owned by the current user
      *
@@ -21,19 +24,17 @@
     public function index()
     {
         $user = $this->guard()->user();
-        $list = [];
-
-        foreach ($user->domains() as $domain) {
-            if (!$domain->isPublic()) {
-                $data = $domain->toArray();
-                $data = array_merge($data, self::domainStatuses($domain));
-                $list[] = $data;
-            }
-        }
 
-        usort($list, function ($a, $b) {
-            return strcmp($a['namespace'], $b['namespace']);
-        });
+        $list = \collect($user->domains())
+            ->filter(function ($domain) {
+                return !$domain->isPublic();
+            })
+            ->map(function ($domain) {
+                return $this->objectToClient($domain);
+            })
+            ->sortBy('namespace')
+            ->values()
+            ->all();
 
         return response()->json($list);
     }
@@ -252,7 +253,7 @@
             return $this->errorResponse(403);
         }
 
-        $response = $domain->toArray();
+        $response = $this->objectToClient($domain, true);
 
         // Add hash information to the response
         $response['hash_text'] = $domain->hash(Domain::HASH_TEXT);
@@ -272,8 +273,6 @@
         // Entitlements info
         $response['skus'] = \App\Entitlement::objectEntitlementsSummary($domain);
 
-        $response = array_merge($response, self::domainStatuses($domain));
-
         // Some basic information about the domain wallet
         $wallet = $domain->wallet();
         $response['wallet'] = $wallet->toArray();
@@ -304,36 +303,8 @@
             return $this->errorResponse(403);
         }
 
-        $response = self::statusInfo($domain);
-
-        if (!empty(request()->input('refresh'))) {
-            $updated = false;
-            $last_step = 'none';
-
-            foreach ($response['process'] as $idx => $step) {
-                $last_step = $step['label'];
-
-                if (!$step['state']) {
-                    if (!$this->execProcessStep($domain, $step['label'])) {
-                        break;
-                    }
-
-                    $updated = true;
-                }
-            }
-
-            if ($updated) {
-                $response = self::statusInfo($domain);
-            }
-
-            $success = $response['isReady'];
-            $suffix = $success ? 'success' : 'error-' . $last_step;
-
-            $response['status'] = $success ? 'success' : 'error';
-            $response['message'] = \trans('app.process-' . $suffix);
-        }
-
-        $response = array_merge($response, self::domainStatuses($domain));
+        $response = $this->processStateUpdate($domain);
+        $response = array_merge($response, self::objectState($domain));
 
         return response()->json($response);
     }
@@ -419,7 +390,7 @@
      *
      * @return array Statuses array
      */
-    protected static function domainStatuses(Domain $domain): array
+    protected static function objectState(Domain $domain): array
     {
         return [
             'isLdapReady' => $domain->isLdapReady(),
@@ -440,50 +411,16 @@
      */
     public static function statusInfo(Domain $domain): array
     {
-        $process = [];
-
         // If that is not a public domain, add domain specific steps
-        $steps = [
-            'domain-new' => true,
-            'domain-ldap-ready' => $domain->isLdapReady(),
-            'domain-verified' => $domain->isVerified(),
-            'domain-confirmed' => $domain->isConfirmed(),
-        ];
-
-        $count = count($steps);
-
-        // Create a process check list
-        foreach ($steps as $step_name => $state) {
-            $step = [
-                'label' => $step_name,
-                'title' => \trans("app.process-{$step_name}"),
-                'state' => $state,
-            ];
-
-            if ($step_name == 'domain-confirmed' && !$state) {
-                $step['link'] = "/domain/{$domain->id}";
-            }
-
-            $process[] = $step;
-
-            if ($state) {
-                $count--;
-            }
-        }
-
-        $state = $count === 0 ? 'done' : 'running';
-
-        // After 180 seconds assume the process is in failed state,
-        // this should unlock the Refresh button in the UI
-        if ($count > 0 && $domain->created_at->diffInSeconds(Carbon::now()) > 180) {
-            $state = 'failed';
-        }
-
-        return [
-            'process' => $process,
-            'processState' => $state,
-            'isReady' => $count === 0,
-        ];
+        return self::processStateInfo(
+            $domain,
+            [
+                'domain-new' => true,
+                'domain-ldap-ready' => $domain->isLdapReady(),
+                'domain-verified' => $domain->isVerified(),
+                'domain-confirmed' => [$domain->isConfirmed(), "/domain/{$domain->id}"],
+            ]
+        );
     }
 
     /**
diff --git a/src/app/Http/Controllers/API/V4/GroupsController.php b/src/app/Http/Controllers/API/V4/GroupsController.php
--- a/src/app/Http/Controllers/API/V4/GroupsController.php
+++ b/src/app/Http/Controllers/API/V4/GroupsController.php
@@ -7,13 +7,16 @@
 use App\Group;
 use App\Rules\GroupName;
 use App\User;
-use Carbon\Carbon;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Validator;
 
 class GroupsController extends Controller
 {
+    /** @var array Common object properties in the API response */
+    protected static $objectProps = ['email', 'name', 'status'];
+
+
     /**
      * Show the form for creating a new group.
      *
@@ -75,15 +78,8 @@
         $user = $this->guard()->user();
 
         $result = $user->groups()->orderBy('name')->orderBy('email')->get()
-            ->map(function (Group $group) {
-                $data = [
-                    'id' => $group->id,
-                    'email' => $group->email,
-                    'name' => $group->name,
-                ];
-
-                $data = array_merge($data, self::groupStatuses($group));
-                return $data;
+            ->map(function ($group) {
+                return $this->objectToClient($group);
             });
 
         return response()->json($result);
@@ -139,9 +135,8 @@
             return $this->errorResponse(403);
         }
 
-        $response = $group->toArray();
+        $response = $this->objectToClient($group, true);
 
-        $response = array_merge($response, self::groupStatuses($group));
         $response['statusInfo'] = self::statusInfo($group);
 
         // Group configuration, e.g. sender_policy
@@ -169,49 +164,8 @@
             return $this->errorResponse(403);
         }
 
-        $response = self::statusInfo($group);
-
-        if (!empty(request()->input('refresh'))) {
-            $updated = false;
-            $async = false;
-            $last_step = 'none';
-
-            foreach ($response['process'] as $idx => $step) {
-                $last_step = $step['label'];
-
-                if (!$step['state']) {
-                    $exec = $this->execProcessStep($group, $step['label']);
-
-                    if (!$exec) {
-                        if ($exec === null) {
-                            $async = true;
-                        }
-
-                        break;
-                    }
-
-                    $updated = true;
-                }
-            }
-
-            if ($updated) {
-                $response = self::statusInfo($group);
-            }
-
-            $success = $response['isReady'];
-            $suffix = $success ? 'success' : 'error-' . $last_step;
-
-            $response['status'] = $success ? 'success' : 'error';
-            $response['message'] = \trans('app.process-' . $suffix);
-
-            if ($async && !$success) {
-                $response['processState'] = 'waiting';
-                $response['status'] = 'success';
-                $response['message'] = \trans('app.process-async');
-            }
-        }
-
-        $response = array_merge($response, self::groupStatuses($group));
+        $response = $this->processStateUpdate($group);
+        $response = array_merge($response, self::objectState($group));
 
         return response()->json($response);
     }
@@ -225,49 +179,13 @@
      */
     public static function statusInfo(Group $group): array
     {
-        $process = [];
-        $steps = [
-            'distlist-new' => true,
-            'distlist-ldap-ready' => $group->isLdapReady(),
-        ];
-
-        // Create a process check list
-        foreach ($steps as $step_name => $state) {
-            $step = [
-                'label' => $step_name,
-                'title' => \trans("app.process-{$step_name}"),
-                'state' => $state,
-            ];
-
-            $process[] = $step;
-        }
-
-        $domain = $group->domain();
-
-        // If that is not a public domain, add domain specific steps
-        if ($domain && !$domain->isPublic()) {
-            $domain_status = DomainsController::statusInfo($domain);
-            $process = array_merge($process, $domain_status['process']);
-        }
-
-        $all = count($process);
-        $checked = count(array_filter($process, function ($v) {
-                return $v['state'];
-        }));
-
-        $state = $all === $checked ? 'done' : 'running';
-
-        // After 180 seconds assume the process is in failed state,
-        // this should unlock the Refresh button in the UI
-        if ($all !== $checked && $group->created_at->diffInSeconds(Carbon::now()) > 180) {
-            $state = 'failed';
-        }
-
-        return [
-            'process' => $process,
-            'processState' => $state,
-            'isReady' => $all === $checked,
-        ];
+        return self::processStateInfo(
+            $group,
+            [
+                'distlist-new' => true,
+                'distlist-ldap-ready' => $group->isLdapReady(),
+            ]
+        );
     }
 
     /**
@@ -459,7 +377,7 @@
      *
      * @return array Statuses array
      */
-    protected static function groupStatuses(Group $group): array
+    protected static function objectState(Group $group): array
     {
         return [
             'isLdapReady' => $group->isLdapReady(),
diff --git a/src/app/Http/Controllers/API/V4/Reseller/DomainsController.php b/src/app/Http/Controllers/API/V4/Reseller/DomainsController.php
--- a/src/app/Http/Controllers/API/V4/Reseller/DomainsController.php
+++ b/src/app/Http/Controllers/API/V4/Reseller/DomainsController.php
@@ -38,11 +38,11 @@
         }
 
         // Process the result
-        $result = $result->map(function ($domain) {
-            $data = $domain->toArray();
-            $data = array_merge($data, self::domainStatuses($domain));
-            return $data;
-        });
+        $result = $result->map(
+            function ($domain) {
+                return $this->objectToClient($domain);
+            }
+        );
 
         $result = [
             'list' => $result,
diff --git a/src/app/Http/Controllers/API/V4/Reseller/GroupsController.php b/src/app/Http/Controllers/API/V4/Reseller/GroupsController.php
--- a/src/app/Http/Controllers/API/V4/Reseller/GroupsController.php
+++ b/src/app/Http/Controllers/API/V4/Reseller/GroupsController.php
@@ -36,16 +36,11 @@
         }
 
         // Process the result
-        $result = $result->map(function ($group) {
-            $data = [
-                'id' => $group->id,
-                'email' => $group->email,
-                'name' => $group->name,
-            ];
-
-            $data = array_merge($data, self::groupStatuses($group));
-            return $data;
-        });
+        $result = $result->map(
+            function ($group) {
+                return $this->objectToClient($group);
+            }
+        );
 
         $result = [
             'list' => $result,
diff --git a/src/app/Http/Controllers/API/V4/Reseller/UsersController.php b/src/app/Http/Controllers/API/V4/Reseller/UsersController.php
--- a/src/app/Http/Controllers/API/V4/Reseller/UsersController.php
+++ b/src/app/Http/Controllers/API/V4/Reseller/UsersController.php
@@ -91,11 +91,11 @@
         }
 
         // Process the result
-        $result = $result->map(function ($user) {
-            $data = $user->toArray();
-            $data = array_merge($data, self::userStatuses($user));
-            return $data;
-        });
+        $result = $result->map(
+            function ($user) {
+                return $this->objectToClient($user, true);
+            }
+        );
 
         $result = [
             'list' => $result,
diff --git a/src/app/Http/Controllers/API/V4/UsersController.php b/src/app/Http/Controllers/API/V4/UsersController.php
--- a/src/app/Http/Controllers/API/V4/UsersController.php
+++ b/src/app/Http/Controllers/API/V4/UsersController.php
@@ -9,7 +9,6 @@
 use App\Rules\UserEmailLocal;
 use App\Sku;
 use App\User;
-use Carbon\Carbon;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Validator;
@@ -37,6 +36,9 @@
      */
     protected $deleteBeforeCreate;
 
+    /** @var array Common object properties in the API response */
+    protected static $objectProps = ['email', 'status'];
+
 
     /**
      * Delete a user.
@@ -114,9 +116,7 @@
         // Process the result
         $result = $result->map(
             function ($user) {
-                $data = $user->toArray();
-                $data = array_merge($data, self::userStatuses($user));
-                return $data;
+                return $this->objectToClient($user);
             }
         );
 
@@ -206,49 +206,8 @@
             return $this->errorResponse(403);
         }
 
-        $response = self::statusInfo($user);
-
-        if (!empty(request()->input('refresh'))) {
-            $updated = false;
-            $async = false;
-            $last_step = 'none';
-
-            foreach ($response['process'] as $idx => $step) {
-                $last_step = $step['label'];
-
-                if (!$step['state']) {
-                    $exec = $this->execProcessStep($user, $step['label']);
-
-                    if (!$exec) {
-                        if ($exec === null) {
-                            $async = true;
-                        }
-
-                        break;
-                    }
-
-                    $updated = true;
-                }
-            }
-
-            if ($updated) {
-                $response = self::statusInfo($user);
-            }
-
-            $success = $response['isReady'];
-            $suffix = $success ? 'success' : 'error-' . $last_step;
-
-            $response['status'] = $success ? 'success' : 'error';
-            $response['message'] = \trans('app.process-' . $suffix);
-
-            if ($async && !$success) {
-                $response['processState'] = 'waiting';
-                $response['status'] = 'success';
-                $response['message'] = \trans('app.process-async');
-            }
-        }
-
-        $response = array_merge($response, self::userStatuses($user));
+        $response = $this->processStateUpdate($user);
+        $response = array_merge($response, self::objectState($user));
 
         return response()->json($response);
     }
@@ -262,45 +221,14 @@
      */
     public static function statusInfo(User $user): array
     {
-        $process = [];
-        $steps = [
-            'user-new' => true,
-            'user-ldap-ready' => $user->isLdapReady(),
-            'user-imap-ready' => $user->isImapReady(),
-        ];
-
-        // Create a process check list
-        foreach ($steps as $step_name => $state) {
-            $step = [
-                'label' => $step_name,
-                'title' => \trans("app.process-{$step_name}"),
-                'state' => $state,
-            ];
-
-            $process[] = $step;
-        }
-
-        list ($local, $domain) = explode('@', $user->email);
-        $domain = Domain::where('namespace', $domain)->first();
-
-        // If that is not a public domain, add domain specific steps
-        if ($domain && !$domain->isPublic()) {
-            $domain_status = DomainsController::statusInfo($domain);
-            $process = array_merge($process, $domain_status['process']);
-        }
-
-        $all = count($process);
-        $checked = count(array_filter($process, function ($v) {
-                return $v['state'];
-        }));
-
-        $state = $all === $checked ? 'done' : 'running';
-
-        // After 180 seconds assume the process is in failed state,
-        // this should unlock the Refresh button in the UI
-        if ($all !== $checked && $user->created_at->diffInSeconds(Carbon::now()) > 180) {
-            $state = 'failed';
-        }
+        $process = self::processStateInfo(
+            $user,
+            [
+                'user-new' => true,
+                'user-ldap-ready' => $user->isLdapReady(),
+                'user-imap-ready' => $user->isImapReady(),
+            ]
+        );
 
         // Check if the user is a controller of his wallet
         $isController = $user->canDelete($user);
@@ -318,7 +246,7 @@
             ->values()
             ->all();
 
-        return [
+        $result = [
             'skus' => $skus,
             // TODO: This will change when we enable all users to create domains
             'enableDomains' => $isController && $hasCustomDomain,
@@ -326,10 +254,9 @@
             'enableDistlists' => $isController && $hasCustomDomain && in_array('distlist', $skus),
             'enableUsers' => $isController,
             'enableWallets' => $isController,
-            'process' => $process,
-            'processState' => $state,
-            'isReady' => $all === $checked,
         ];
+
+        return array_merge($process, $result);
     }
 
     /**
@@ -521,7 +448,7 @@
      */
     public static function userResponse(User $user): array
     {
-        $response = $user->toArray();
+        $response = self::objectToClient($user, true);
 
         // Settings
         $response['settings'] = [];
@@ -538,8 +465,6 @@
         // Status info
         $response['statusInfo'] = self::statusInfo($user);
 
-        $response = array_merge($response, self::userStatuses($user));
-
         // Add more info to the wallet object output
         $map_func = function ($wallet) use ($user) {
             $result = $wallet->toArray();
@@ -574,7 +499,7 @@
      *
      * @return array Statuses array
      */
-    protected static function userStatuses(User $user): array
+    protected static function objectState(User $user): array
     {
         return [
             'isImapReady' => $user->isImapReady(),
diff --git a/src/app/Http/Controllers/Controller.php b/src/app/Http/Controllers/Controller.php
--- a/src/app/Http/Controllers/Controller.php
+++ b/src/app/Http/Controllers/Controller.php
@@ -14,6 +14,9 @@
     use DispatchesJobs;
     use ValidatesRequests;
 
+    /** @var array Common object properties in the API response */
+    protected static $objectProps = [];
+
 
     /**
      * Common error response builder for API (JSON) responses
@@ -81,4 +84,143 @@
     {
         return Auth::guard();
     }
+
+    /**
+     * Object status' process information.
+     *
+     * @param object $object The object to process
+     * @param array  $steps  The steps definition
+     *
+     * @return array Process state information
+     */
+    protected static function processStateInfo($object, array $steps): array
+    {
+        $process = [];
+
+        // Create a process check list
+        foreach ($steps as $step_name => $state) {
+            $step = [
+                'label' => $step_name,
+                'title' => \trans("app.process-{$step_name}"),
+            ];
+
+            if (is_array($state)) {
+                $step['link'] = $state[1];
+                $state = $state[0];
+            }
+
+            $step['state'] = $state;
+
+            $process[] = $step;
+        }
+
+        // Add domain specific steps
+        if (method_exists($object, 'domain')) {
+            $domain = $object->domain();
+
+            // If that is not a public domain
+            if ($domain && !$domain->isPublic()) {
+                $domain_status = API\V4\DomainsController::statusInfo($domain);
+                $process = array_merge($process, $domain_status['process']);
+            }
+        }
+
+        $all = count($process);
+        $checked = count(array_filter($process, function ($v) {
+                return $v['state'];
+        }));
+
+        $state = $all === $checked ? 'done' : 'running';
+
+        // After 180 seconds assume the process is in failed state,
+        // this should unlock the Refresh button in the UI
+        if ($all !== $checked && $object->created_at->diffInSeconds(\Carbon\Carbon::now()) > 180) {
+            $state = 'failed';
+        }
+
+        return [
+            'process' => $process,
+            'processState' => $state,
+            'isReady' => $all === $checked,
+        ];
+    }
+
+    /**
+     * Object status' process information update.
+     *
+     * @param object $object The object to process
+     *
+     * @return array Process state information
+     */
+    protected function processStateUpdate($object): array
+    {
+        $response = $this->statusInfo($object); // @phpstan-ignore-line
+
+        if (!empty(request()->input('refresh'))) {
+            $updated = false;
+            $async = false;
+            $last_step = 'none';
+
+            foreach ($response['process'] as $idx => $step) {
+                $last_step = $step['label'];
+
+                if (!$step['state']) {
+                    $exec = $this->execProcessStep($object, $step['label']); // @phpstan-ignore-line
+
+                    if (!$exec) {
+                        if ($exec === null) {
+                            $async = true;
+                        }
+
+                        break;
+                    }
+
+                    $updated = true;
+                }
+            }
+
+            if ($updated) {
+                $response = $this->statusInfo($object); // @phpstan-ignore-line
+            }
+
+            $success = $response['isReady'];
+            $suffix = $success ? 'success' : 'error-' . $last_step;
+
+            $response['status'] = $success ? 'success' : 'error';
+            $response['message'] = \trans('app.process-' . $suffix);
+
+            if ($async && !$success) {
+                $response['processState'] = 'waiting';
+                $response['status'] = 'success';
+                $response['message'] = \trans('app.process-async');
+            }
+        }
+
+        return $response;
+    }
+
+    /**
+     * Prepare an object for the UI.
+     *
+     * @param object $object An object
+     * @param bool   $full   Include all object properties
+     *
+     * @return array Object information
+     */
+    protected static function objectToClient($object, bool $full = false): array
+    {
+        if ($full) {
+            $result = $object->toArray();
+        } else {
+            $result = ['id' => $object->id];
+
+            foreach (static::$objectProps as $prop) {
+                $result[$prop] = $object->{$prop};
+            }
+        }
+
+        $result = array_merge($result, static::objectState($object)); // @phpstan-ignore-line
+
+        return $result;
+    }
 }
diff --git a/src/tests/Unit/Controller/DomainsTest.php b/src/tests/Unit/Controller/DomainsTest.php
deleted file mode 100644
--- a/src/tests/Unit/Controller/DomainsTest.php
+++ /dev/null
@@ -1,25 +0,0 @@
-<?php
-
-namespace Tests\Unit\Controller;
-
-use App\Domain;
-use Tests\TestCase;
-
-class DomainsTest extends TestCase
-{
-    /**
-     * Test DomainsController::domainStatuses()
-     */
-    public function testDomainStatuses(): void
-    {
-        $this->markTestIncomplete();
-    }
-
-    /**
-     * Test DomainsController::statusInfo()
-     */
-    public function testStatusInfo(): void
-    {
-        $this->markTestIncomplete();
-    }
-}
diff --git a/src/tests/Unit/Controller/UsersTest.php b/src/tests/Unit/Controller/UsersTest.php
deleted file mode 100644
--- a/src/tests/Unit/Controller/UsersTest.php
+++ /dev/null
@@ -1,25 +0,0 @@
-<?php
-
-namespace Tests\Unit\Controller;
-
-use App\User;
-use Tests\TestCase;
-
-class UsersTest extends TestCase
-{
-    /**
-     * Test UsersController::userStatuses()
-     */
-    public function testUserStatuses(): void
-    {
-        $this->markTestIncomplete();
-    }
-
-    /**
-     * Test UsersController::statusInfo()
-     */
-    public function testStatusInfo(): void
-    {
-        $this->markTestIncomplete();
-    }
-}