diff --git a/app/Http/Requests/Payment/StorePaymentRequest.php b/app/Http/Requests/Payment/StorePaymentRequest.php
index 1f6f95722150..2cc051c4b95d 100644
--- a/app/Http/Requests/Payment/StorePaymentRequest.php
+++ b/app/Http/Requests/Payment/StorePaymentRequest.php
@@ -12,9 +12,10 @@
 namespace App\Http\Requests\Payment;
 
 use App\Http\Requests\Request;
-use App\Http\ValidationRules\ValidPayableInvoicesRule;
 use App\Http\ValidationRules\PaymentAmountsBalanceRule;
+use App\Http\ValidationRules\Payment\ValidInvoicesRules;
 use App\Http\ValidationRules\ValidCreditsPresentRule;
+use App\Http\ValidationRules\ValidPayableInvoicesRule;
 use App\Models\Payment;
 use App\Utils\Traits\MakesHash;
 
@@ -88,8 +89,9 @@ class StorePaymentRequest extends Request
             'amount' => 'numeric|required',
             'amount' => [new PaymentAmountsBalanceRule(),new ValidCreditsPresentRule()],
             'date' => 'required',
-            'client_id' => 'required|exists:clients,id',
+            'client_id' => 'bail|required|exists:clients,id',
             'invoices.*.invoice_id' => 'required|exists:invoices,id',
+            'invoices.*.invoice_id' => new ValidInvoicesRules($this->all()),
             'invoices.*.amount' => 'required',
             'credits.*.credit_id' => 'required|exists:credits,id',
             'credits.*.amount' => 'required',
diff --git a/app/Http/ValidationRules/Payment/ValidInvoicesRules.php b/app/Http/ValidationRules/Payment/ValidInvoicesRules.php
new file mode 100644
index 000000000000..c6cd2f265330
--- /dev/null
+++ b/app/Http/ValidationRules/Payment/ValidInvoicesRules.php
@@ -0,0 +1,90 @@
+<?php
+/**
+ * Invoice Ninja (https://invoiceninja.com)
+ *
+ * @link https://github.com/invoiceninja/invoiceninja source repository
+ *
+ * @copyright Copyright (c) 2020. Invoice Ninja LLC (https://invoiceninja.com)
+ *
+ * @license https://opensource.org/licenses/AAL
+ */
+
+namespace App\Http\ValidationRules\Payment;
+
+use App\Libraries\MultiDB;
+use App\Models\Credit;
+use App\Models\Invoice;
+use App\Models\Payment;
+use App\Models\User;
+use App\Utils\Traits\MakesHash;
+use Illuminate\Contracts\Validation\Rule;
+
+/**
+ * Class ValidInvoicesRules
+ * @package App\Http\ValidationRules\Payment
+ */
+class ValidInvoicesRules implements Rule
+{
+    use MakesHash;
+
+    /**
+     * @param string $attribute
+     * @param mixed $value
+     * @return bool
+     */
+    private $error_msg;
+
+    private $input;
+
+
+    public function __construct($input)
+    {
+        $this->input = $input;
+    }
+
+    public function passes($attribute, $value)
+    {
+
+    	return $this->checkInvoicesAreHomogenous();
+    	
+    }
+
+    private function checkInvoicesAreHomogenous()
+    {
+
+        if(!array_key_exists('client_id', $this->input)){
+            \Log::error("Client id is required");
+            $this->error_msg = "Client id is required";
+            return false;
+        }
+
+    	foreach($this->input['invoices'] as $invoice)
+    	{
+            $invoice = Invoice::whereId($invoice)->first();
+
+            if(!$invoice){
+                $this->error_msg = "Invoice not found ";
+                return false;
+            }
+
+    		if($invoice->client_id != $this->input['client_id']){
+                $this->error_msg = "Selected invoices are not from a single client";
+    			return false;
+            }
+    	}
+
+        return true;
+
+    }
+    
+
+    /**
+     * @return string
+     */
+    public function message()
+    {
+        return $this->error_msg;
+    }
+    	
+
+}
diff --git a/tests/Feature/PaymentTest.php b/tests/Feature/PaymentTest.php
index 1f691f0b2213..b4dd884d0565 100644
--- a/tests/Feature/PaymentTest.php
+++ b/tests/Feature/PaymentTest.php
@@ -396,7 +396,6 @@ class PaymentTest extends TestCase
         $this->invoice->is_deleted = false;
         $this->invoice->save();
 
-
         $data = [
             'amount' => 6.0,
             'client_id' => $client->hashed_id,
@@ -420,13 +419,13 @@ class PaymentTest extends TestCase
             catch(ValidationException $e) {
 
                 $message = json_decode($e->validator->getMessageBag(),1);
-
                 \Log::error($message);
+                \Log::error('errrr');
             }
 
             $arr = $response->json();
             $response->assertStatus(200);
-
+            
             $payment_id = $arr['data']['id'];
 
             $payment = Payment::whereId($this->decodePrimaryKey($payment_id))->first();
@@ -1097,4 +1096,78 @@ class PaymentTest extends TestCase
         $this->assertEquals(round($payment->applied,2), $this->invoice->amount);
     }
 
+    public function testPaymentForInvoicesFromDifferentClients()
+    {
+
+        $client1 = ClientFactory::create($this->company->id, $this->user->id);
+        $client1->save();
+
+        $client2 = ClientFactory::create($this->company->id, $this->user->id);
+        $client2->save();
+
+
+        $invoice1 = InvoiceFactory::create($this->company->id,$this->user->id);//stub the company and user_id
+        $invoice1->client_id = $client1->id;
+        $invoice1->status_id = Invoice::STATUS_SENT;
+
+        $invoice1->line_items = $this->buildLineItems();
+        $invoice1->uses_inclusive_Taxes = false;
+
+        $invoice1->save();
+
+        $invoice_calc = new InvoiceSum($invoice1);
+        $invoice_calc->build();
+
+        $invoice1 = $invoice_calc->getInvoice();
+        $invoice1->save();
+
+        $invoice2 = InvoiceFactory::create($this->company->id,$this->user->id);//stub the company and user_id
+        $invoice2->client_id = $client2->id;
+        $invoice2->status_id = Invoice::STATUS_SENT;
+
+        $invoice2->line_items = $this->buildLineItems();
+        $invoice2->uses_inclusive_Taxes = false;
+
+        $invoice2->save();
+
+        $invoice_calc = new InvoiceSum($invoice2);
+        $invoice_calc->build();
+
+        $invoice2 = $invoice_calc->getInvoice();
+        $invoice2->save();
+
+        $data = [
+            'amount' => $invoice1->amount + $invoice2->amount,
+            'client_id' => $client1->hashed_id,
+            'invoices' => [
+                [
+                'invoice_id' => $invoice1->hashed_id,
+                'amount' => $invoice1->amount
+                ],
+                [
+                'invoice_id' => $invoice2->hashed_id,
+                'amount' => $invoice2->amount
+                ]
+            ],
+            'date' => '2020/12/12',
+
+        ];
+
+        try {
+            $response = $this->withHeaders([
+                'X-API-SECRET' => config('ninja.api_secret'),
+                'X-API-TOKEN' => $this->token,
+            ])->post('/api/v1/payments?include=invoices', $data);
+
+        }
+        catch(ValidationException $e) {
+           // \Log::error('in the validator');
+            $message = json_decode($e->validator->getMessageBag(),1);
+            \Log::error($message);
+            $this->assertNotNull($message);
+
+        }
+        
+    }
+
 }