diff --git a/app/Api/V1/Requests/Models/PiggyBank/StoreRequest.php b/app/Api/V1/Requests/Models/PiggyBank/StoreRequest.php
index 35428faca7..87afccf4d9 100644
--- a/app/Api/V1/Requests/Models/PiggyBank/StoreRequest.php
+++ b/app/Api/V1/Requests/Models/PiggyBank/StoreRequest.php
@@ -64,11 +64,11 @@ class StoreRequest extends FormRequest
     {
         return [
             'name'               => 'required|between:1,255|uniquePiggyBankForUser',
-            'current_amount'     => ['numeric', 'gte:0', 'lte:target_amount'],
+            'current_amount'     => ['numeric', 'gte:0', 'lte:target_amount','max:1000000000'],
             'account_id'         => 'required|numeric|belongsToUser:accounts,id',
             'object_group_id'    => 'numeric|belongsToUser:object_groups,id',
             'object_group_title' => 'between:1,255',
-            'target_amount'      => ['numeric', 'gte:0', 'lte:target_amount', 'required'],
+            'target_amount'      => ['numeric', 'gte:0', 'lte:target_amount', 'required','max:1000000000'],
             'start_date'         => 'date|nullable',
             'target_date'        => 'date|nullable|after:start_date',
             'notes'              => 'max:65000',
diff --git a/app/Api/V1/Requests/Models/PiggyBank/UpdateRequest.php b/app/Api/V1/Requests/Models/PiggyBank/UpdateRequest.php
index e8448bcdf5..81cfa11576 100644
--- a/app/Api/V1/Requests/Models/PiggyBank/UpdateRequest.php
+++ b/app/Api/V1/Requests/Models/PiggyBank/UpdateRequest.php
@@ -69,8 +69,8 @@ class UpdateRequest extends FormRequest
 
         return [
             'name'           => 'between:1,255|uniquePiggyBankForUser:'.$piggyBank->id,
-            'current_amount' => ['numeric', 'gte:0', new LessThanPiggyTarget()],
-            'target_amount'  => 'numeric|gte:0',
+            'current_amount' => ['numeric', 'gte:0', new LessThanPiggyTarget(),'max:1000000000'],
+            'target_amount'  => 'numeric|gte:0|max:1000000000',
             'start_date'     => 'date|nullable',
             'target_date'    => 'date|nullable|after:start_date',
             'notes'          => 'max:65000',
diff --git a/app/Api/V1/Requests/Models/Recurrence/StoreRequest.php b/app/Api/V1/Requests/Models/Recurrence/StoreRequest.php
index 4c4bf8a162..5855b3e019 100644
--- a/app/Api/V1/Requests/Models/Recurrence/StoreRequest.php
+++ b/app/Api/V1/Requests/Models/Recurrence/StoreRequest.php
@@ -92,8 +92,8 @@ class StoreRequest extends FormRequest
             'repetitions.*.weekend' => 'numeric|min:1|max:4',
 
             'transactions.*.description'           => 'required|between:1,255',
-            'transactions.*.amount'                => 'required|numeric|gt:0',
-            'transactions.*.foreign_amount'        => 'nullable|numeric|gt:0',
+            'transactions.*.amount'                => 'required|numeric|gt:0|max:1000000000',
+            'transactions.*.foreign_amount'        => 'nullable|numeric|gt:0|max:1000000000',
             'transactions.*.currency_id'           => 'nullable|numeric|exists:transaction_currencies,id',
             'transactions.*.currency_code'         => 'nullable|min:3|max:51|exists:transaction_currencies,code',
             'transactions.*.foreign_currency_id'   => 'nullable|numeric|exists:transaction_currencies,id',
diff --git a/app/Api/V1/Requests/Models/Recurrence/UpdateRequest.php b/app/Api/V1/Requests/Models/Recurrence/UpdateRequest.php
index d0cc79925c..6b1115f93e 100644
--- a/app/Api/V1/Requests/Models/Recurrence/UpdateRequest.php
+++ b/app/Api/V1/Requests/Models/Recurrence/UpdateRequest.php
@@ -99,8 +99,8 @@ class UpdateRequest extends FormRequest
             'repetitions.*.weekend' => 'nullable|numeric|min:1|max:4',
 
             'transactions.*.description'           => 'between:1,255',
-            'transactions.*.amount'                => 'numeric|gt:0',
-            'transactions.*.foreign_amount'        => 'nullable|numeric|gt:0',
+            'transactions.*.amount'                => 'numeric|gt:0|max:1000000000',
+            'transactions.*.foreign_amount'        => 'nullable|numeric|gt:0|max:1000000000',
             'transactions.*.currency_id'           => 'nullable|numeric|exists:transaction_currencies,id',
             'transactions.*.currency_code'         => 'nullable|min:3|max:51|exists:transaction_currencies,code',
             'transactions.*.foreign_currency_id'   => 'nullable|numeric|exists:transaction_currencies,id',