Airbnb are confirming booking without Availability Checks
Airbnb are facing issues where some reservations are being confirmed without Sync Availability Checks for API connected listings.
Start: 2024-05-09 time unknown
End: Airbnb implemented a fix at 8:30 AM PDT
You can check the incident report at: https://airbnbapi.statuspage.io/incidents/867lr996sr60