Airbnb have reported a number of 500 errors across multiple endpoints, they are working to resolve them.
These errors started today (June 1, 2023) around 12:20 PM PDT
You can check the progress at Airbnb with this incident report
https://airbnbapi.statuspage.io/incidents/xccq5r4gm6c5
Start :- Jun1, 12:20 PM PDT
End :- Jun 2, 08:35 PDT