add controllers, servoices

app/Http/Requests/Payments/PaymentUpdateBalanceRequest.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace App\Http\Requests\Payments;
+
+use App\Http\Requests\ApiFormRequest;
+
+class PaymentUpdateBalanceRequest extends ApiFormRequest
+{
+    public function rules(): array
+    {
+        return [
+            'paid_amount' => ['required', 'numeric', 'min:0.01'],
+        ];
+    }
+}