We don't store any of your Airtable data on our systems. We just use the Airtable API to request data when the Airportal needs it to display it. This is similar to what Zapier does.
This applies to the email addresses of your portal users, they aren't stored in Airportal.
We do store the schema, in other words, your table and field names and some other metadata related to them.
This additional metadata includes things like:
the options in dropdown fields
the formatting style of number fields
We store your name and email address you provide when you register. We also store the name of your portal.
If you have any questions about the information we store, please get in touch.