Any chance you could integrate with Cronometer to get food stats on your platform?
It doesn’t look like they have a public API: Any chance a public API for Cronometer will be available? — Cronometer Community
Someone has created a library using their private APIs: GitHub - jrmycanady/gocronometer: gocronometer is a go module that provides API access to the export methods of Cronometer.com
If you can code you could use that to upload data using the Intervals.icu API.