[RESOLVED] Booking.com Outage - 2026-04-11 & 2026-04-12
Posted: Thu Apr 23, 2026 11:43 am
RESOLVED - Degraded performance of reservation retrieval between 22:00 and 18:00 UTC
Outage 12 April 2026
Booking.com have confirmed they had issues with the Reservations API
Start time: 2026-04-11 22:00 UTC
End time: 2026-04-12 18:00 UTC
0.5% of new bookings, cancellations, and modifications were communicated with a delay of up to nine hours.
No communications were dropped. The issue equally affected API messages and emails to both partners and guests. The affected bookings were made between 23:00 and 16:00.
Duplicate cancellation messages were sent over Reservations API for a few bookings between 22:00 and 04:45. The number of duplicates ranged from about 25 to about 250.
Affected API endpoints:
https://secure-supply-xml.booking.com/h ... elResNotif
https://secure-supply-xml.booking.com/h ... odifyNotif
https://secure-supply-xml.booking.com/h ... servations
If you continue to have issues, please contact Booking.com Help team and ask for their assistance.
Outage 12 April 2026
Booking.com have confirmed they had issues with the Reservations API
Start time: 2026-04-11 22:00 UTC
End time: 2026-04-12 18:00 UTC
0.5% of new bookings, cancellations, and modifications were communicated with a delay of up to nine hours.
No communications were dropped. The issue equally affected API messages and emails to both partners and guests. The affected bookings were made between 23:00 and 16:00.
Duplicate cancellation messages were sent over Reservations API for a few bookings between 22:00 and 04:45. The number of duplicates ranged from about 25 to about 250.
Affected API endpoints:
https://secure-supply-xml.booking.com/h ... elResNotif
https://secure-supply-xml.booking.com/h ... odifyNotif
https://secure-supply-xml.booking.com/h ... servations
If you continue to have issues, please contact Booking.com Help team and ask for their assistance.