Interesting. Would be cool if you can share your use cases.
Best out there today:
Have you tried Octoparser for querying, and then using the Google Sheets data explorer for viz/exploration?
I have a team who floated this idea as a SaaS solution before, but we're not sure if there's a specific vertical with high pain points. Building something like this wouldn't be that hard for a few verticals, or adjacent ones. Building a gen purpose tool for everyone is a different story, though.