diff --git a/app/services/kbz_merchant.rb b/app/services/kbz_merchant.rb
index 8e7533dd..597299ee 100644
--- a/app/services/kbz_merchant.rb
+++ b/app/services/kbz_merchant.rb
@@ -15,11 +15,18 @@ class KbzMerchant
   end
 
   def close_order(merch_order_id:)
-    api_url ='https://api.kbzpay.com/payment/gateway/uat/closeorder'
+    api_url ='http://api.kbzpay.com/payment/gateway/uat/closeorder'
     payload = build_close_payload(merch_order_id)
     send_request(payload, api_url)
   end
 
+  def query_order(merch_order_id:)
+    api_url = 'http://api.kbzpay.com/payment/gateway/uat/queryorder'
+    payload = build_query_payload(merch_order_id)
+    response = send_request(payload, api_url)
+    handle_response(response)
+  end
+
   private
 
   def build_create_payload(amount, merch_order_id, timeout)
@@ -63,6 +70,24 @@ class KbzMerchant
     base_params.merge(sign: generate_signature(flattened))
   end
 
+  def build_query_payload(merch_order_id)
+    base_params = {
+      method: 'kbz.payment.queryorder',
+      timestamp: Time.now.utc.to_i.to_s,
+      nonce_str: SecureRandom.hex(16),
+      sign_type: 'SHA256',
+      version: '3.0',
+      biz_content: {
+        appid: @payment_method.gateway_url,
+        merch_code: @payment_method.merchant_account_id,
+        merch_order_id: merch_order_id
+      }.compact
+    }
+
+    flattened = flatten_hash(base_params)
+    base_params.merge(sign: generate_signature(flattened))
+  end
+
   def flatten_hash(hash, parent_key = nil)
     hash.each_with_object({}) do |(k, v), res|
       key = parent_key ? "#{k}" : k.to_s
@@ -99,6 +124,8 @@ class KbzMerchant
         body: { Request: payload }.to_json,
         timeout: 15
       )
+
+     puts "Response: #{response}"
     response.body
     # puts "Response: #{response}"
     rescue HTTParty::Error => e