Ws-na.amazon-adsystem.com not working

A few days ago the following link worked for me but now I am not getting any response.

Can someone help?

https://ws-na.amazon-adsystem.com/widgets/q?callback=search_callback&TemplateId=PubStudio&MarketPlace=US&Operation=ItemSearch&InstanceId=0&dataType=jsonp&ServiceVersion=20070822&Keywords=B097TVLB4F

In response to the above link I got a response in XML format. I am trying to get amazon ASIN number detail, e.g. Name, image and price, rating and other details.