How to get list items from one SharePoint tenant to another SharePoint tenant

Requirement:

We have developed task management solution which can be deployed at any SharePoint site and I wanted to pull tasks from SharePoint site in different tenant to my tenant SharePoint site and show them in task dashboard.

We have used SharePoint Framework (SPFx) to develop this dashboard, and we are ready to accommodate any other technology also if that fulfills requirement.

Please suggest if this is possible to do and what should be approach?

Thanks,

Deepak