diff --git a/Helper/Data.php b/Helper/Data.php
index 5f3b0f6..6fdd3f5 100644
--- a/Helper/Data.php
+++ b/Helper/Data.php
@@ -1265,4 +1265,28 @@ public function getConfigValue($key, $store, $storeCode=null)
         return $this->scopeConfig->getValue($path, $store, $storeCode);
     }
 
+    /**
+     * Checks if a transaction has already been processed based on the transaction additional info (JSON blob).
+     *
+     * @param $payment
+     * @param string $resultField The key in the transaction's additional information to check (e.g., 'settle_result').
+     * @param string $expectedStatus The status value to check for (case-insensitive).
+     * @param bool $checkCaptured Optional. If true, also checks if the transaction is marked as captured.
+     * @return bool
+     */
+    public function isTransactionProcessed($payment, $resultField, $expectedStatus, $checkCaptured = false){
+        $transactionAdditionalInfo = $payment->getTransactionAdditionalInfo();
+        $resultData = isset($transactionAdditionalInfo[$resultField])
+            ? json_decode($transactionAdditionalInfo[$resultField], true)
+            : null;
+
+        // Check if the status matches the expected value (case-insensitive)
+        $isProcessed = $resultData && strcasecmp($resultData['status'], $expectedStatus) === 0;
+
+        if ($checkCaptured) {
+            $isProcessed = $isProcessed || !empty($transactionAdditionalInfo['captured']);
+        }
+    
+        return $isProcessed;
+    }
 }
diff --git a/Model/Payment/Method/Bread.php b/Model/Payment/Method/Bread.php
index 0711022..92a7ec1 100644
--- a/Model/Payment/Method/Bread.php
+++ b/Model/Payment/Method/Bread.php
@@ -254,6 +254,19 @@ public function void(\Magento\Payment\Model\InfoInterface $payment)
             throw new \Magento\Framework\Exception\LocalizedException(__('Void action is not available.'));
         }
 
+        $transactionAdditionalInfo = $payment->getTransactionAdditionalInfo();
+        $cancelResult = isset($transactionAdditionalInfo['cancel_result']) 
+            ? json_decode($transactionAdditionalInfo['cancel_result'], true) 
+            : null;
+
+        if ($this->helper->isTransactionProcessed($payment, $cancelResult, 'CANCELLED', true)) {
+            $this->breadLogger->info(sprintf(
+                'Transaction ID %s has already cancelled. Skipping further processing.',
+                $payment->getTxnId()
+            ));
+            return $this;
+        }
+
         return $this->_place($payment, 0, self::ACTION_VOID);
     }
 
@@ -275,6 +288,19 @@ public function authorize(\Magento\Payment\Model\InfoInterface $payment, $amount
             throw new \Magento\Framework\Exception\LocalizedException(__('Authorize action is not available.'));
         }
 
+        $transactionAdditionalInfo = $payment->getTransactionAdditionalInfo();
+        $authorizeResult = isset($transactionAdditionalInfo['authorize_result']) 
+            ? json_decode($transactionAdditionalInfo['authorize_result'], true) 
+            : null;
+
+        if ($this->helper->isTransactionProcessed($payment, $authorizeResult, 'AUTHORIZED', true)) {
+            $this->breadLogger->info(sprintf(
+                'Transaction ID %s has already authorized. Skipping further processing.',
+                $payment->getTxnId()
+            ));
+            return $this;
+        }
+
         $order = $payment->getOrder();
         if ($order->getOrderCurrencyCode() !== $order->getBaseCurrencyCode()) {
             $amount = $order->getGrandTotal();
@@ -375,11 +401,25 @@ public function canVoid() {
     public function capture(\Magento\Payment\Model\InfoInterface $payment, $amount)
     {
         if ($this->adminOrderHelper->isAdminOrder()) {
-            return; // Bypass logic for admin order creation
+            return $this; // Bypass logic for admin order creation
         }
         if (!$this->canCapture()) {
             throw new \Magento\Framework\Exception\LocalizedException(__('Capture action is not available.'));
         }
+
+        $transactionAdditionalInfo = $payment->getTransactionAdditionalInfo();
+        $settleResult = isset($transactionAdditionalInfo['settle_result']) 
+            ? json_decode($transactionAdditionalInfo['settle_result'], true) 
+            : null;
+
+        if ($this->helper->isTransactionProcessed($payment, $settleResult, 'SETTLED', true)) {
+            $this->breadLogger->info(sprintf(
+                'Transaction ID %s has already been captured and settled. Skipping further processing.',
+                $payment->getTxnId()
+            ));
+            return $this;
+        }
+
         $apiVersion = $this->helper->getApiVersion();
 
         $order = $payment->getOrder();
@@ -459,6 +499,19 @@ public function refund(\Magento\Payment\Model\InfoInterface $payment, $amount)
             throw new \Magento\Framework\Exception\LocalizedException(__('Refund action is not available.'));
         }
 
+        $transactionAdditionalInfo = $payment->getTransactionAdditionalInfo();
+        $refundResult = isset($transactionAdditionalInfo['refund_result']) 
+            ? json_decode($transactionAdditionalInfo['refund_result'], true) 
+            : null;
+
+        if ($this->helper->isTransactionProcessed($payment, $refundResult, 'REFUNDED', true)) {
+            $this->breadLogger->info(sprintf(
+                'Transaction ID %s has already refunded. Skipping further processing.',
+                $payment->getTxnId()
+            ));
+            return $this;
+        }
+
         $order = $payment->getOrder();
         if ($order->getOrderCurrencyCode() !== $order->getBaseCurrencyCode()) {
             $amount = $order->getGrandTotal();
diff --git a/Model/Payment/Method/Rbc.php b/Model/Payment/Method/Rbc.php
index 6b4e2aa..cb4cd66 100644
--- a/Model/Payment/Method/Rbc.php
+++ b/Model/Payment/Method/Rbc.php
@@ -247,6 +247,19 @@ public function void(\Magento\Payment\Model\InfoInterface $payment)
             throw new \Magento\Framework\Exception\LocalizedException(__('Void action is not available.'));
         }
 
+        $transactionAdditionalInfo = $payment->getTransactionAdditionalInfo();
+        $cancelResult = isset($transactionAdditionalInfo['cancel_result']) 
+            ? json_decode($transactionAdditionalInfo['cancel_result'], true) 
+            : null;
+
+        if ($this->helper->isTransactionProcessed($payment, $cancelResult, 'CANCELLED', true)) {
+            $this->breadLogger->info(sprintf(
+                'Transaction ID %s has already cancelled. Skipping further processing.',
+                $payment->getTxnId()
+            ));
+            return $this;
+        }
+
         return $this->_place($payment, 0, self::ACTION_VOID);
     }
 
@@ -265,6 +278,19 @@ public function authorize(\Magento\Payment\Model\InfoInterface $payment, $amount
             throw new \Magento\Framework\Exception\LocalizedException(__('Authorize action is not available.'));
         }
 
+        $transactionAdditionalInfo = $payment->getTransactionAdditionalInfo();
+        $authorizeResult = isset($transactionAdditionalInfo['authorize_result']) 
+            ? json_decode($transactionAdditionalInfo['authorize_result'], true) 
+            : null;
+
+        if ($this->helper->isTransactionProcessed($payment, $authorizeResult, 'AUTHORIZED', true)) {
+            $this->breadLogger->info(sprintf(
+                'Transaction ID %s has already authorized. Skipping further processing.',
+                $payment->getTxnId()
+            ));
+            return $this;
+        }
+
         $order = $payment->getOrder();
         if ($order->getOrderCurrencyCode() !== $order->getBaseCurrencyCode()) {
             $amount = $order->getGrandTotal();
@@ -367,6 +393,20 @@ public function capture(\Magento\Payment\Model\InfoInterface $payment, $amount)
         if (!$this->canCapture()) {
             throw new \Magento\Framework\Exception\LocalizedException(__('Capture action is not available.'));
         }
+
+        $transactionAdditionalInfo = $payment->getTransactionAdditionalInfo();
+        $settleResult = isset($transactionAdditionalInfo['settle_result']) 
+            ? json_decode($transactionAdditionalInfo['settle_result'], true) 
+            : null;
+
+        if ($this->helper->isTransactionProcessed($payment, $settleResult, 'SETTLED', true)) {
+            $this->breadLogger->info(sprintf(
+                'Transaction ID %s has already been captured and settled. Skipping further processing.',
+                $payment->getTxnId()
+            ));
+            return $this;
+        }
+
         $apiVersion = $this->helper->getApiVersion();
 
         $order = $payment->getOrder();
@@ -443,6 +483,19 @@ public function refund(\Magento\Payment\Model\InfoInterface $payment, $amount)
             throw new \Magento\Framework\Exception\LocalizedException(__('Refund action is not available.'));
         }
 
+        $transactionAdditionalInfo = $payment->getTransactionAdditionalInfo();
+        $refundResult = isset($transactionAdditionalInfo['refund_result']) 
+            ? json_decode($transactionAdditionalInfo['refund_result'], true) 
+            : null;
+
+        if ($this->helper->isTransactionProcessed($payment, $refundResult, 'REFUNDED', true)) {
+            $this->breadLogger->info(sprintf(
+                'Transaction ID %s has already refunded. Skipping further processing.',
+                $payment->getTxnId()
+            ));
+            return $this;
+        }
+
         $order = $payment->getOrder();
         if ($order->getOrderCurrencyCode() !== $order->getBaseCurrencyCode()) {
             $amount = $order->getGrandTotal();