diff --git a/backend/app/Models/Gateway.php b/backend/app/Models/Gateway.php
new file mode 100644
index 00000000..d7b58f9c
--- /dev/null
+++ b/backend/app/Models/Gateway.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace App\Models;
+
+use Database\Factories\GatewayFactory;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class Gateway extends Model
+{
+    /** @use HasFactory<GatewayFactory> */
+    use HasFactory;
+
+    protected $guarded = ['id'];
+}
diff --git a/backend/app/Models/GatewayCategory.php b/backend/app/Models/GatewayCategory.php
new file mode 100644
index 00000000..a6e44afe
--- /dev/null
+++ b/backend/app/Models/GatewayCategory.php
@@ -0,0 +1,12 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class GatewayCategory extends Model
+{
+    /** @use HasFactory<\Database\Factories\GatewayCategoryFactory> */
+    use HasFactory;
+}
diff --git a/backend/app/Models/Payment.php b/backend/app/Models/Payment.php
new file mode 100644
index 00000000..f4d1f85a
--- /dev/null
+++ b/backend/app/Models/Payment.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace App\Models;
+
+use Database\Factories\PaymentFactory;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class Payment extends Model
+{
+    /** @use HasFactory<PaymentFactory> */
+    use HasFactory;
+
+    protected $guarded = ['id'];
+}
diff --git a/backend/app/Models/PaymentStatus.php b/backend/app/Models/PaymentStatus.php
new file mode 100644
index 00000000..c222ee0e
--- /dev/null
+++ b/backend/app/Models/PaymentStatus.php
@@ -0,0 +1,12 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class PaymentStatus extends Model
+{
+    /** @use HasFactory<\Database\Factories\PaymentStatusFactory> */
+    use HasFactory;
+}
diff --git a/backend/app/User/Services/FIB/AuthorizationService.php b/backend/app/Services/FIB/AuthorizationService.php
similarity index 97%
rename from backend/app/User/Services/FIB/AuthorizationService.php
rename to backend/app/Services/FIB/AuthorizationService.php
index 9e67d55d..9867133f 100755
--- a/backend/app/User/Services/FIB/AuthorizationService.php
+++ b/backend/app/Services/FIB/AuthorizationService.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace App\User\Services\FIB;
+namespace App\Services\FIB;
 
 use Exception;
 use Illuminate\Http\Client\ConnectionException;
diff --git a/backend/app/User/Services/FIB/CancelPaymentService.php b/backend/app/Services/FIB/CancelPaymentService.php
similarity index 97%
rename from backend/app/User/Services/FIB/CancelPaymentService.php
rename to backend/app/Services/FIB/CancelPaymentService.php
index 8f8282c8..8cfdb72a 100755
--- a/backend/app/User/Services/FIB/CancelPaymentService.php
+++ b/backend/app/Services/FIB/CancelPaymentService.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace App\User\Services\FIB;
+namespace App\Services\FIB;
 
 use Exception;
 use Illuminate\Http\Client\ConnectionException;
diff --git a/backend/app/User/Services/FIB/CheckPaymentStatusService.php b/backend/app/Services/FIB/CheckPaymentStatusService.php
similarity index 96%
rename from backend/app/User/Services/FIB/CheckPaymentStatusService.php
rename to backend/app/Services/FIB/CheckPaymentStatusService.php
index 844412c7..6a5ff4e5 100755
--- a/backend/app/User/Services/FIB/CheckPaymentStatusService.php
+++ b/backend/app/Services/FIB/CheckPaymentStatusService.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace App\User\Services\FIB;
+namespace App\Services\FIB;
 
 use Exception;
 use Illuminate\Http\Client\ConnectionException;
diff --git a/backend/app/User/Services/FIB/CreatePaymentService.php b/backend/app/Services/FIB/CreatePaymentService.php
similarity index 98%
rename from backend/app/User/Services/FIB/CreatePaymentService.php
rename to backend/app/Services/FIB/CreatePaymentService.php
index 3b9801b6..9df973ad 100755
--- a/backend/app/User/Services/FIB/CreatePaymentService.php
+++ b/backend/app/Services/FIB/CreatePaymentService.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace App\User\Services\FIB;
+namespace App\Services\FIB;
 
 use Exception;
 use Illuminate\Http\Client\ConnectionException;
diff --git a/backend/app/User/Services/FIB/RefundService.php b/backend/app/Services/FIB/RefundService.php
similarity index 97%
rename from backend/app/User/Services/FIB/RefundService.php
rename to backend/app/Services/FIB/RefundService.php
index 3a0dfb5b..52d18d6f 100755
--- a/backend/app/User/Services/FIB/RefundService.php
+++ b/backend/app/Services/FIB/RefundService.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace App\User\Services\FIB;
+namespace App\Services\FIB;
 
 use Exception;
 use Illuminate\Http\Client\ConnectionException;
diff --git a/backend/database/factories/GatewayCategoryFactory.php b/backend/database/factories/GatewayCategoryFactory.php
new file mode 100644
index 00000000..facefb5e
--- /dev/null
+++ b/backend/database/factories/GatewayCategoryFactory.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace Database\Factories;
+
+use App\Models\GatewayCategory;
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+/**
+ * @extends Factory<GatewayCategory>
+ */
+class GatewayCategoryFactory extends Factory
+{
+    /**
+     * Define the model's default state.
+     *
+     * @return array<string, mixed>
+     */
+    public function definition(): array
+    {
+        return [
+            //
+        ];
+    }
+}
diff --git a/backend/database/factories/GatewayFactory.php b/backend/database/factories/GatewayFactory.php
new file mode 100644
index 00000000..f8029ab5
--- /dev/null
+++ b/backend/database/factories/GatewayFactory.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace Database\Factories;
+
+use App\Models\Gateway;
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+/**
+ * @extends Factory<Gateway>
+ */
+class GatewayFactory extends Factory
+{
+    /**
+     * Define the model's default state.
+     *
+     * @return array<string, mixed>
+     */
+    public function definition(): array
+    {
+        return [
+            //
+        ];
+    }
+}
diff --git a/backend/database/factories/PaymentFactory.php b/backend/database/factories/PaymentFactory.php
new file mode 100644
index 00000000..8bfd4911
--- /dev/null
+++ b/backend/database/factories/PaymentFactory.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace Database\Factories;
+
+use App\Models\Payment;
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+/**
+ * @extends Factory<Payment>
+ */
+class PaymentFactory extends Factory
+{
+    /**
+     * Define the model's default state.
+     *
+     * @return array<string, mixed>
+     */
+    public function definition(): array
+    {
+        return [
+            //
+        ];
+    }
+}
diff --git a/backend/database/factories/PaymentStatusFactory.php b/backend/database/factories/PaymentStatusFactory.php
new file mode 100644
index 00000000..390010db
--- /dev/null
+++ b/backend/database/factories/PaymentStatusFactory.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace Database\Factories;
+
+use App\Models\PaymentStatus;
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+/**
+ * @extends Factory<PaymentStatus>
+ */
+class PaymentStatusFactory extends Factory
+{
+    /**
+     * Define the model's default state.
+     *
+     * @return array<string, mixed>
+     */
+    public function definition(): array
+    {
+        return [
+            //
+        ];
+    }
+}
diff --git a/backend/database/migrations/2026_05_17_053830_create_payment_statuses_table.php b/backend/database/migrations/2026_05_17_053830_create_payment_statuses_table.php
new file mode 100644
index 00000000..754a8790
--- /dev/null
+++ b/backend/database/migrations/2026_05_17_053830_create_payment_statuses_table.php
@@ -0,0 +1,28 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('payment_statuses', function (Blueprint $table) {
+            $table->id();
+            $table->string('name');
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('payment_statuses');
+    }
+};
diff --git a/backend/database/migrations/2026_05_17_053831_create_gateway_categories_table.php b/backend/database/migrations/2026_05_17_053831_create_gateway_categories_table.php
new file mode 100644
index 00000000..16ee53ea
--- /dev/null
+++ b/backend/database/migrations/2026_05_17_053831_create_gateway_categories_table.php
@@ -0,0 +1,28 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('gateway_categories', function (Blueprint $table) {
+            $table->id();
+            $table->string('name');
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('gateway_categories');
+    }
+};
diff --git a/backend/database/migrations/2026_05_17_053832_create_gateways_table.php b/backend/database/migrations/2026_05_17_053832_create_gateways_table.php
new file mode 100644
index 00000000..faab5d50
--- /dev/null
+++ b/backend/database/migrations/2026_05_17_053832_create_gateways_table.php
@@ -0,0 +1,38 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('gateways', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('user_id')->constrained('users');
+            $table->string('username');
+            $table->string('name');
+            $table->string('domain');
+            $table->string('tax_id');
+            $table->string('bank_name');
+            $table->string('account_holder');
+            $table->string('logo')->nullable();
+            $table->string('iban');
+            $table->foreignId('category_id')->constrained('gateway_categories');
+            $table->string('category_name');
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('gateways');
+    }
+};
diff --git a/backend/database/migrations/2026_05_17_053833_create_payments_table.php b/backend/database/migrations/2026_05_17_053833_create_payments_table.php
new file mode 100644
index 00000000..0bf5cc2e
--- /dev/null
+++ b/backend/database/migrations/2026_05_17_053833_create_payments_table.php
@@ -0,0 +1,38 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('payments', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('user_id')->constrained('users');
+            $table->string('username');
+            $table->uuid('track_id');
+            $table->string('amount');
+            $table->string('currency');
+            $table->string('callback_url');
+            $table->dateTime('expires_at');
+            $table->foreignId('status_id')->constrained('payment_statuses');
+            $table->string('status_name');
+            $table->ipAddress('ip');
+            $table->foreignId('gateway_id')->constrained('gateways');
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('payments');
+    }
+};
diff --git a/backend/database/seeders/GatewayCategorySeeder.php b/backend/database/seeders/GatewayCategorySeeder.php
new file mode 100644
index 00000000..6e41f3b8
--- /dev/null
+++ b/backend/database/seeders/GatewayCategorySeeder.php
@@ -0,0 +1,17 @@
+<?php
+
+namespace Database\Seeders;
+
+use Illuminate\Database\Console\Seeds\WithoutModelEvents;
+use Illuminate\Database\Seeder;
+
+class GatewayCategorySeeder extends Seeder
+{
+    /**
+     * Run the database seeds.
+     */
+    public function run(): void
+    {
+        //
+    }
+}
diff --git a/backend/database/seeders/GatewaySeeder.php b/backend/database/seeders/GatewaySeeder.php
new file mode 100644
index 00000000..1d778374
--- /dev/null
+++ b/backend/database/seeders/GatewaySeeder.php
@@ -0,0 +1,17 @@
+<?php
+
+namespace Database\Seeders;
+
+use Illuminate\Database\Console\Seeds\WithoutModelEvents;
+use Illuminate\Database\Seeder;
+
+class GatewaySeeder extends Seeder
+{
+    /**
+     * Run the database seeds.
+     */
+    public function run(): void
+    {
+        //
+    }
+}
diff --git a/backend/database/seeders/PaymentSeeder.php b/backend/database/seeders/PaymentSeeder.php
new file mode 100644
index 00000000..dd108b7b
--- /dev/null
+++ b/backend/database/seeders/PaymentSeeder.php
@@ -0,0 +1,17 @@
+<?php
+
+namespace Database\Seeders;
+
+use Illuminate\Database\Console\Seeds\WithoutModelEvents;
+use Illuminate\Database\Seeder;
+
+class PaymentSeeder extends Seeder
+{
+    /**
+     * Run the database seeds.
+     */
+    public function run(): void
+    {
+        //
+    }
+}
diff --git a/backend/database/seeders/PaymentStatusSeeder.php b/backend/database/seeders/PaymentStatusSeeder.php
new file mode 100644
index 00000000..5550baae
--- /dev/null
+++ b/backend/database/seeders/PaymentStatusSeeder.php
@@ -0,0 +1,17 @@
+<?php
+
+namespace Database\Seeders;
+
+use Illuminate\Database\Console\Seeds\WithoutModelEvents;
+use Illuminate\Database\Seeder;
+
+class PaymentStatusSeeder extends Seeder
+{
+    /**
+     * Run the database seeds.
+     */
+    public function run(): void
+    {
+        //
+    }
+}