Hi there, @aar0 !
Welcome to the Retool community!
I'm curious if the thread below from another community member will help you set up Airtable as a resource? He provides a ton of screenshots and a workaround for getting set up with Airtable despite the depreciated API.
It looks like we have a request to get these docs updated and if you bookmark that thread, you can refer to it to see when those docs are updated.
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If you get to a point where you have more questions, feel free to send screenshots and any specific questions and we'll be here to help.