Connected Servicenow to PowerBi via Rest API call, If any new record/request created in the servicenow, the dataset should also get refresh in powerbi. Is there any approach where I can set my dataset to refresh for every 15minutes.
You can create a Power Automate Flow with a time-based trigger (similar to a CRON job) to refresh your dataset every 15 minutes.
It is straightforward to set up, like this: