https://community.fabric.microsoft.com/t5/Report-Server/List-all-Data-Sources-in-all-published-PBIX-files/m-p/2488426
Solved: Re: List all Data Sources in all published PBIX fi... - Microsoft Fabric Community
May 2, 2022 - Hi The above URL is for the the on-prem version (Power BI Report Server). I do not use the service myself - but maybe this
all data sources
https://developer.webex.com/admin/docs/api/v1/data-sources/retrieve-all-data-sources
Retrieve All Data Sources | Webex for Developers
all data sourcesretrievewebexdevelopers