Hello @emregoker welcome back to the community
If your apps fit into one of the following categories you will need to update your apps.
- uses Airtable blocks on Snap to Place
- connected as a data source via API key
- doing API calls to Airtable with API key
You can find more information here: Airtable’s API keys will be deprecated by Airtable - Announcements - Community (thunkable.com)