diff --git a/lib/active_merchant/billing/gateways/airwallex.rb b/lib/active_merchant/billing/gateways/airwallex.rb
index 6bcbc3c2b93..8b972de7c79 100644
--- a/lib/active_merchant/billing/gateways/airwallex.rb
+++ b/lib/active_merchant/billing/gateways/airwallex.rb
@@ -168,6 +168,7 @@ def create_payment_intent(money, options = {})
         post[:merchant_order_id] = merchant_order_id(options)
         add_referrer_data(post)
         add_descriptor(post, options)
+        add_metadata(post, options)
         post['payment_method_options'] = { 'card' => { 'risk_control' => { 'three_ds_action' => 'SKIP_3DS' } } } if options[:skip_3ds]
 
         response = commit(:setup, post)
@@ -176,6 +177,10 @@ def create_payment_intent(money, options = {})
         response.params['id']
       end
 
+      def add_metadata(post, options)
+        post[:metadata] = options[:metadata] if options[:metadata]
+      end
+
       def add_billing(post, card, options = {})
         return unless has_name_info?(card)
 
diff --git a/test/unit/gateways/airwallex_test.rb b/test/unit/gateways/airwallex_test.rb
index e66dbb3d584..939f1477227 100644
--- a/test/unit/gateways/airwallex_test.rb
+++ b/test/unit/gateways/airwallex_test.rb
@@ -308,6 +308,15 @@ def test_purchase_passes_referrer_data
     end.respond_with(successful_purchase_response)
   end
 
+  def test_purchase_passes_metadata
+    stub_comms do
+      @gateway.purchase(@amount, @credit_card, @options.merge(metadata: { some: 'value' }))
+    end.check_request do |_endpoint, data, _headers|
+      # only look for referrer data on the create_payment_intent request
+      assert_match(/\"metadata\":{\"some\":\"value\"}/, data) if data.include?('_setup')
+    end.respond_with(successful_purchase_response)
+  end
+
   def test_purchase_passes_descriptor
     stub_comms do
       @gateway.purchase(@amount, @credit_card, @options.merge(description: 'a simple test'))