diff --git a/flexiapi/app/Http/Requests/CreateAccountRequest.php b/flexiapi/app/Http/Requests/CreateAccountRequest.php
new file mode 100644
index 0000000..d1d23f8
--- /dev/null
+++ b/flexiapi/app/Http/Requests/CreateAccountRequest.php
@@ -0,0 +1,37 @@
+<?php
+
+namespace App\Http\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+use Illuminate\Validation\Rule;
+use App\Rules\WithoutSpaces;
+
+class CreateAccountRequest extends FormRequest
+{
+    public function authorize()
+    {
+        return true;
+    }
+
+    public function rules()
+    {
+        return [
+            'username' => [
+                'required',
+                Rule::unique('accounts', 'username')->where(function ($query) {
+                    $query->where('domain', config('app.sip_domain'));
+                }),
+                'filled',
+            ],
+            'password' => 'required|min:3',
+            'email' => 'nullable|email',
+            'phone' => [
+                'nullable',
+                'unique:aliases,alias',
+                'unique:accounts,username',
+                new WithoutSpaces, 'starts_with:+'
+            ]
+        ];
+    }
+}
diff --git a/flexiapi/app/Http/Requests/UpdateAccountRequest.php b/flexiapi/app/Http/Requests/UpdateAccountRequest.php
new file mode 100644
index 0000000..af1aab4
--- /dev/null
+++ b/flexiapi/app/Http/Requests/UpdateAccountRequest.php
@@ -0,0 +1,39 @@
+<?php
+
+namespace App\Http\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+use Illuminate\Validation\Rule;
+use App\Rules\WithoutSpaces;
+
+class UpdateAccountRequest extends FormRequest
+{
+    public function authorize()
+    {
+        return true;
+    }
+
+    public function rules()
+    {
+        return [
+            'username' => [
+                'required',
+                Rule::unique('accounts', 'username')->where(function ($query) {
+                    $query->where('domain', config('app.sip_domain'));
+                })->ignore($this->route('id'), 'id'),
+                'filled',
+            ],
+            'email' => 'nullable|email',
+            'password_sha256' => 'nullable|min:3',
+            'phone' => [
+                'nullable',
+                Rule::unique('accounts', 'username')->where(function ($query) {
+                    $query->where('domain', config('app.sip_domain'));
+                })->ignore($this->route('id'), 'id'),
+                Rule::unique('aliases', 'alias')->ignore($this->route('id'), 'account_id'),
+                new WithoutSpaces, 'starts_with:+'
+            ]
+        ];
+    }
+}
diff --git a/flexisip-account-manager.spec b/flexisip-account-manager.spec
index 0a5b138..9334eec 100644
--- a/flexisip-account-manager.spec
+++ b/flexisip-account-manager.spec
@@ -8,7 +8,7 @@
 #%define _datadir           %{_datarootdir}
 #%define _docdir            %{_datadir}/doc
 
-%define build_number 90
+%define build_number 91
 %define var_dir /var/opt/belledonne-communications
 %define opt_dir /opt/belledonne-communications/share/flexisip-account-manager