Forum Discussion
Creating PBIR Files Dynamically Based on Dataset – Any Guidance
Looks like the Fabric REST APIs should be able to do that
Power BI Desktop project report folder - Power BI | Microsoft Learn
"During the Public Preview, Fabric Git Integration and Fabric REST APIs continue to use PBIR-Legacy (report.json) when exporting the report definitions. However, if the report is imported into Fabric using PBIR format, then both features start exporting the report definition using PBIR format."
Looks like the Fabric REST APIs should be able to do that
Power BI Desktop project report folder - Power BI | Microsoft Learn
"During the Public Preview, Fabric Git Integration and Fabric REST APIs continue to use PBIR-Legacy (report.json) when exporting the report definitions. However, if the report is imported into Fabric using PBIR format, then both features start exporting the report definition using PBIR format."