In This video learn how you can batch queries and operations against the REST/OData API of Microsoft SharePoint Online and the Files and folders subset of the Office 365 REST APIs.
With this technique, you can improve the performance of your Power Automate Flow by combining many operations into a single request to the server and a single response back.
Link to Sample Power Automate
https://github.com/DeepakS22/DPowerAutomate/blob/master/SPBatchRequest_20210209162219.zip