diff --git a/changelog/add-wechat-pay-response-handling b/changelog/add-wechat-pay-response-handling
new file mode 100644
index 00000000000..0ae410c1e3c
--- /dev/null
+++ b/changelog/add-wechat-pay-response-handling
@@ -0,0 +1,4 @@
+Significance: minor
+Type: add
+
+Add WeChat Pay response handling.
diff --git a/client/checkout/api/index.js b/client/checkout/api/index.js
index e70765c551b..61371d3a03c 100644
--- a/client/checkout/api/index.js
+++ b/client/checkout/api/index.js
@@ -153,7 +153,6 @@ export default class WCPayAPI {
 		let orderId = partials[ 2 ];
 		const clientSecret = partials[ 3 ];
 		const nonce = partials[ 4 ];
-
 		const orderPayIndex = redirectUrl.indexOf( 'order-pay' );
 		const isOrderPage = orderPayIndex > -1;
 
@@ -211,6 +210,20 @@ export default class WCPayAPI {
 			confirmPaymentOrSetup()
 				// ToDo: Switch to an async function once it works with webpack.
 				.then( ( result ) => {
+					let paymentError = null;
+					if ( result.paymentIntent?.last_payment_error ) {
+						paymentError = {
+							message:
+								result.paymentIntent.last_payment_error.message,
+						};
+					}
+					// If a wallet iframe is closed, Stripe doesn't throw an error, but the intent status will be requires_action.
+					if ( result.paymentIntent?.status === 'requires_action' ) {
+						paymentError = {
+							message: 'Payment requires additional action.',
+						};
+					}
+
 					const intentId =
 						( result.paymentIntent && result.paymentIntent.id ) ||
 						( result.setupIntent && result.setupIntent.id ) ||
@@ -238,11 +251,11 @@ export default class WCPayAPI {
 							: 'false',
 					} );
 
-					return [ ajaxCall, result.error ];
+					return [ ajaxCall, paymentError, result.error ];
 				} )
-				.then( ( [ verificationCall, originalError ] ) => {
-					if ( originalError ) {
-						throw originalError;
+				.then( ( [ verificationCall, paymentError, resultError ] ) => {
+					if ( resultError ) {
+						throw resultError;
 					}
 
 					return verificationCall.then( ( response ) => {
@@ -255,6 +268,10 @@ export default class WCPayAPI {
 							throw result.error;
 						}
 
+						if ( paymentError ) {
+							throw paymentError;
+						}
+
 						return result.return_url;
 					} );
 				} )
diff --git a/includes/class-wc-payment-gateway-wcpay.php b/includes/class-wc-payment-gateway-wcpay.php
index 357c6323d51..1d10b4adaf8 100644
--- a/includes/class-wc-payment-gateway-wcpay.php
+++ b/includes/class-wc-payment-gateway-wcpay.php
@@ -1691,7 +1691,7 @@ public function process_payment_for_order( $cart, $payment_information, $schedul
 							$payment_needed ? 'pi' : 'si',
 							$order_id,
 							$client_secret,
-							wp_create_nonce( 'wcpay_update_order_status_nonce' )
+							wp_create_nonce( 'wcpay_update_order_status_nonce' ),
 						),
 						// Include the payment method ID so the Blocks integration can save cards.
 						'payment_method' => $payment_information->get_payment_method(),
diff --git a/includes/class-wc-payments-order-service.php b/includes/class-wc-payments-order-service.php
index 395b430fb43..fcc395413b6 100644
--- a/includes/class-wc-payments-order-service.php
+++ b/includes/class-wc-payments-order-service.php
@@ -180,7 +180,12 @@ public function update_order_status_from_intent( $order, $intent ) {
 				break;
 			case Intent_Status::REQUIRES_ACTION:
 			case Intent_Status::REQUIRES_PAYMENT_METHOD:
-				$this->mark_payment_started( $order, $intent_data );
+				if ( ! empty( $intent_data['error'] ) ) {
+					$this->unlock_order_payment( $order );
+					$this->mark_payment_failed( $order, $intent_data['intent_id'], $intent_data['intent_status'], $intent_data['charge_id'], $intent_data['error']['message'] );
+				} else {
+					$this->mark_payment_started( $order, $intent_data );
+				}
 				break;
 			default:
 				Logger::error( 'Uncaught payment intent status of ' . $intent_data['intent_status'] . ' passed for order id: ' . $order->get_id() );
@@ -2056,6 +2061,7 @@ private function get_intent_data( WC_Payments_API_Abstract_Intention $intent ):
 		if ( $intent instanceof WC_Payments_API_Payment_Intention ) {
 			$charge                   = $intent->get_charge();
 			$intent_data['charge_id'] = $charge ? $charge->get_id() : null;
+			$intent_data['error']     = $intent->get_last_payment_error();
 		}
 
 		return $intent_data;
diff --git a/includes/class-wc-payments-webhook-processing-service.php b/includes/class-wc-payments-webhook-processing-service.php
index 492c4da79be..404c7c6d9cc 100644
--- a/includes/class-wc-payments-webhook-processing-service.php
+++ b/includes/class-wc-payments-webhook-processing-service.php
@@ -426,6 +426,7 @@ private function process_webhook_payment_intent_failed( $event_body ) {
 			Payment_Method::CARD_PRESENT,
 			Payment_Method::US_BANK_ACCOUNT,
 			Payment_Method::BECS,
+			Payment_Method::WECHAT_PAY,
 		];
 
 		if ( empty( $payment_method_type ) || ! in_array( $payment_method_type, $actionable_methods, true ) ) {