[null,null,["Last updated 2025-02-13 UTC."],[],["Display & Video 360 API v4 is in beta. It defines reservation types for line items or insertion orders. These types include `RESERVATION_TYPE_UNSPECIFIED` (unknown), `RESERVATION_TYPE_NOT_GUARANTEED` (not guaranteed), `RESERVATION_TYPE_PROGRAMMATIC_GUARANTEED`, and `RESERVATION_TYPE_TAG_GUARANTEED` (both guaranteed). Additionally, `RESERVATION_TYPE_PETRA_VIRAL` and `RESERVATION_TYPE_INSTANT_RESERVE` are for YouTube and partners, corresponding to Petra inventory and instant quotes, respectively.\n"]]