--- title: "Google Ads API v26 renames hotel targeting criteria to vertical-agnostic names: 2026-10-14 | Harbyn" description: "Google Ads API v26 renames hotel targeting criteria to vertical-agnostic names, announced Oct 14, 2026; replacement: AdGroupBidModifier.user_set_dates, AdGroupBidModifier.advance_booking_window, AdGroupBidModifier.le..." canonical: "https://harbyn.com/changes/google-ads/2026-10-14-hotel-criterion-error-reasons-replaced" last-updated: 2026-10-15 --- # Google Ads API v26 renames hotel targeting criteria to vertical-agnostic names Markdown version of . Breaking change - Google Ads API. medium severity. In effect. In v26 the hotel-specific AdGroupBidModifier criterion fields become user\_set\_dates, advance\_booking\_window, length\_of\_booking (min\_days, max\_days), start\_day\_of\_week and start\_date\_range; HotelDateSelectionType becomes DateSelectionType; and the HOTEL\_\* CriterionError reasons get vertical-agnostic names. Criterion IDs, targeting and existing bid modifiers stay the same; code breaks when it moves to v26. ## Facts | Fact | Value | | --- | --- | | Vendor | [Google Ads API](https://harbyn.com/vendors/google-ads.md) | | Kind | Breaking change | | Severity | medium | | Status | In effect | | Announced | Oct 14, 2026 | | Added to Harbyn | Oct 15, 2026 | | Lead time | No dated deadline | | Symbols | `AdGroupBidModifier.hotel_date_selection_type`, `AdGroupBidModifier.hotel_advance_booking_window`, `AdGroupBidModifier.hotel_length_of_stay`, `AdGroupBidModifier.hotel_check_in_day`, `AdGroupBidModifier.hotel_check_in_date_range`, `HotelDateSelectionType`, `HOTEL_LENGTH_OF_STAY_OVERLAPS_WITH_EXISTING_CRITERION`, `HOTEL_ADVANCE_BOOKING_WINDOW_OVERLAPS_WITH_EXISTING_CRITERION`, `HOTEL_CHECK_IN_DATE_RANGE_OVERLAPS_WITH_EXISTING_CRITERION`, `HOTEL_CHECK_IN_DATE_RANGE_START_DATE_TOO_EARLY`, `HOTEL_CHECK_IN_DATE_RANGE_END_DATE_TOO_LATE`, `HOTEL_CHECK_IN_DATE_RANGE_REVERSED` | | Replacement | `AdGroupBidModifier.user_set_dates`, `AdGroupBidModifier.advance_booking_window`, `AdGroupBidModifier.length_of_booking`, `AdGroupBidModifier.start_day_of_week`, `AdGroupBidModifier.start_date_range`, `DateSelectionType`, `LENGTH_OF_BOOKING_OVERLAPS_WITH_EXISTING_CRITERION`, `ADVANCE_BOOKING_WINDOW_OVERLAPS_WITH_EXISTING_CRITERION`, `START_DATE_RANGE_OVERLAPS_WITH_EXISTING_CRITERION`, `START_DATE_RANGE_START_DATE_TOO_EARLY`, `START_DATE_RANGE_END_DATE_TOO_LATE`, `START_DATE_RANGE_REVERSED` | | Review | Reviewed by a person, extracted by a model | ## Find it in your code ```sh npx harbyn scan ``` This change names no identifier the scanner can match line by line, so the scan tells you whether your repository uses Google Ads API, from its packages and API hosts. Nothing leaves your machine. ## Sources Where this event comes from: the page we read, when we read it, and the hash of that snapshot. - (changelog, fetched 2026-10-15 04:48 UTC, sha256 `5934798a874c3b6bbfa24ace3fbd5fe2a1a6e5fb063d8bfd8fc9323e303ecf55`) ## Related changes ### More from Google Ads API - [EU political advertising declaration optional for campaigns targeting only outside the EU](https://harbyn.com/changes/google-ads/2026-10-14-eu-political-advertising-declaration-requirements-updated.md) (Behavior change, announced Oct 14, 2026) - [Google Ads API v26: Local Services Performance Max campaigns can be created via the API and require country\_code and listing\_id](https://harbyn.com/changes/google-ads/2026-10-14-local-services-performance-max-creation-requires-additional-fields.md) (Breaking change, announced Oct 14, 2026) - [Google Ads API v26 removes enhanced\_conversions\_for\_leads\_enabled](https://harbyn.com/changes/google-ads/2026-10-14-unified-enhanced-conversions-configuration.md) (Breaking change, announced Oct 14, 2026) - [Google Ads API v22 sunset](https://harbyn.com/changes/google-ads/2026-10-08-google-ads-api-v22-sunset.md) (Retirement, effective Oct 2026) ### Changes at other vendors - [Amazon Selling Partner API: October listing attribute usage and enumeration value updates](https://harbyn.com/changes/amazon-sp-api/2026-10-14-sp-api-updates-new-listings-items-api-ivp-values-in-eu5-jp-and-ca-stores-oct-2.md) (effective Oct 26, 2026) - [Supabase: four CBC-mode TLS 1.2 cipher suites will be removed from project HTTP APIs](https://harbyn.com/changes/supabase/2026-10-12-an-outdated-subset-of-tls-1-2-ciphers-will-be-disabled-on-project-http-apis.md) (effective Nov 10, 2026) - [Google Workspace APIs: OAuth clients must be marked as agentic to call Google Workspace MCP servers](https://harbyn.com/changes/google-workspace/2026-10-12-oauth-clients-must-be-marked-as-agentic-to-call-google-workspace-mcp-servers.md) (effective Nov 11, 2026) - [Bitbucket Cloud API: Git Credential Manager upgrade required for OAuth 2.0 Git authentication](https://harbyn.com/changes/bitbucket/2026-10-13-git-credential-manager-upgrade-required-for-oauth-2-0-git-authentication.md) (effective Nov 30, 2026) [All upcoming deadlines](https://harbyn.com/deadlines.md)