Hi @Amit Jaiswal Thanks for reaching out. As of now there is no way for customers to check the logs/traffic to the APIM developer portal (the new one) and management endpoint.
I also came across this feature request raised on the Azure Feedback Forum where it had a similar ask
https://feedback.azure.com/d365community/idea/94485900-dd1f-ed11-a81b-6045bd853c94
Please upvote the feature request.
let me know incase of further queries, I would be glad to assist you.
Please 'Accept as answer' and ‘Upvote’ if it helped so that it can help others in the community looking for help on similar topics.