If you were asking, "Can I use an API to access data in my sheets from other apps/services?" - no, not today, but we'll add that at some point in the future.
Or if you were asking, "Can I query APIs to get data onto the spreadsheet?"
Yes, you can do that today in Quadratic with Fetch() in JS or Requests in Python.
Or if you were asking, "Can I query APIs to get data onto the spreadsheet?" Yes, you can do that today in Quadratic with Fetch() in JS or Requests in Python.