Product Information V4 Any API change?

is there any change in Product Information V4 API. as my code not fetching the product info now which was correctly fetching for days before today.
There is no error but not fetching info

it always gives 403 error on all part Number search.. I am using keyword search

Hello @monhen234

Welcome to the TechForum

You can contact our API team at this link Contact Us | API Developer Portal as they will be able to help resolve this issue.

thanks Anthony for the consideration.. i wrote a message to the address you mentioned but haven’t get any reply till yet. hoping to get it ASAP