diff --git a/src/content/guides/integrating-third-party-asset.mdx b/src/content/guides/integrating-third-party-asset.mdx
index bf9c16af9..fa84842f0 100644
--- a/src/content/guides/integrating-third-party-asset.mdx
+++ b/src/content/guides/integrating-third-party-asset.mdx
@@ -244,6 +244,7 @@ curl -X POST https://your.endpoint/pay \
 		"authorization": "WRhAxxWpTKb5U7pXyxQjjY",
 		"merchantName": "Centrapay Cafe",
 		"merchantId": "MhocUmpxxmgdHjr7DgKoKw",
+		"merchantCategoryCode": "2481",
 		"idempotencyKey": "UttDGTHjr7DgKoKwWpTKb"
 		"transactionId": "UttDGTHjr7DgKoKwWpTKb"
   }'
@@ -258,6 +259,7 @@ curl -X POST https://your.endpoint/pay \
   "authorization": "WRhAxxWpTKb5U7pXyxQjjY",
   "merchantName": "Centrapay Cafe",
   "merchantId": "MhocUmpxxmgdHjr7DgKoKw",
+  "merchantCategoryCode": "2481",
   "transactionId": "UttDGTHjr7DgKoKwWpTKb",
   "type": "payment",
   "status": "successful",
@@ -303,6 +305,7 @@ curl -X POST https://your.endpoint/refund \
   "authorization": "WRhAxxWpTKb5U7pXyxQjjY",
   "merchantName": "Centrapay Cafe",
   "merchantId": "MhocUmpxxmgdHjr7DgKoKw",
+  "merchantCategoryCode": "2481",
   "transactionId": "HFCD73hsbJHBDd9gs3t",
   "type": "refund",
   "status": "successful"
@@ -346,6 +349,7 @@ curl -X POST https://your.endpoint/cancel \
   "authorization": "WRhAxxWpTKb5U7pXyxQjjY",
   "merchantName": "Centrapay Cafe",
   "merchantId": "MhocUmpxxmgdHjr7DgKoKw",
+  "merchantCategoryCode": "2481",
   "transactionId": "UttDGTHjr7DgKoKwWpTKb",
   "type": "payment",
   "status": "failed",
@@ -384,6 +388,7 @@ curl https://your.endpoint/get?transactionId=UttDGTHjr7DgKoKwWpTKb
   "authorization": "WRhAxxWpTKb5U7pXyxQjjY",
   "merchantName": "Centrapay Cafe",
   "merchantId": "MhocUmpxxmgdHjr7DgKoKw",
+  "merchantCategoryCode": "2481",
   "transactionId": "UttDGTHjr7DgKoKwWpTKb",
   "type": "payment",
   "status": "successful",