ZV-2026-0963 · 2026-09-11 · hotels.flightpowers.com
hotels.flightpowers.com: Type of checkin_date on find_hotel_by_name changed string → unset.
breaking
What changed
Type of checkin_date on find_hotel_by_name changed string → unset. Type of checkout_date on find_hotel_by_name changed string → unset. Type of checkin_date on search_hotels changed string → unset. Type of checkout_date on search_hotels changed string → unset.
What to do
If your agents call hotels.flightpowers.com, pin the new snapshot, patch the affected call sites, and let a green contract check confirm the fix. If you don't use the changed tools, nothing is required, but the rest of the ecosystem just learned about it at the same moment you did.
The redline
− string + unset find_hotel_by_name − string + unset find_hotel_by_name − string + unset search_hotels − string + unset search_hotels + checkin_date_from Optional field checkin_date_from was added to find_hotel_by_name; may shift model behaviour. + checkin_date_to Optional field checkin_date_to was added to find_hotel_by_name; may shift model behaviour. + max_searches Optional field max_searches was added to find_hotel_by_name; may shift model behaviour. + nights Optional field nights was added to find_hotel_by_name; may shift model behaviour. + checkin_date Default of checkin_date on find_hotel_by_name changed unset → null. + checkout_date Default of checkout_date on find_hotel_by_name changed unset → null. + caveats Field caveats was added to find_hotel_by_name output. + cheapest_overall Field cheapest_overall was added to find_hotel_by_name output. + partial Field partial was added to find_hotel_by_name output. + providers Field providers was added to find_hotel_by_name output. + providers_skipped Field providers_skipped was added to find_hotel_by_name output. + results_for_stay Field results_for_stay was added to find_hotel_by_name output. + search_coverage Field search_coverage was added to find_hotel_by_name output. + search_status Field search_status was added to find_hotel_by_name output. + stays Field stays was added to find_hotel_by_name output. − FlightPowers hotel search: live Booking.com availability and nightly prices for a destinat… + FlightPowers hotel search: live Booking.com availability and nightly prices for a destinat… search_hotels + checkin_date_from Optional field checkin_date_from was added to search_hotels; may shift model behaviour. + checkin_date_to Optional field checkin_date_to was added to search_hotels; may shift model behaviour. + max_searches Optional field max_searches was added to search_hotels; may shift model behaviour. + nights Optional field nights was added to search_hotels; may shift model behaviour. + providers Optional field providers was added to search_hotels; may shift model behaviour. + checkin_date Default of checkin_date on search_hotels changed unset → null. + checkout_date Default of checkout_date on search_hotels changed unset → null. + caveats Field caveats was added to search_hotels output. + cheapest_overall Field cheapest_overall was added to search_hotels output. + partial Field partial was added to search_hotels output. + providers Field providers was added to search_hotels output. + providers_skipped Field providers_skipped was added to search_hotels output. + results_for_stay Field results_for_stay was added to search_hotels output. + search_coverage Field search_coverage was added to search_hotels output. + search_status Field search_status was added to search_hotels output. + stays Field stays was added to search_hotels output. + compare_hotel_rates Tool compare_hotel_rates was added. − FlightPowers single-property lookup: live Booking.com availability and pricing for one nam… + FlightPowers single-property lookup: live Booking.com availability and pricing for one nam… find_hotel_by_name − checkin_date Field checkin_date on find_hotel_by_name is no longer required. − checkout_date Field checkout_date on find_hotel_by_name is no longer required. − checkin_date Field checkin_date on search_hotels is no longer required. − checkout_date Field checkout_date on search_hotels is no longer required.