# 2024

URL: https://docs.emergingtravel.com/docs/changelog/2024/

---

> [!NOTE]
> The complete changelog for 2024 is available on this page.



# December

## December 20

### Added { #december-20-added }

* The `legal_info` field in the calls:
  * Search by hotel IDs ([B2B](/docs/b2b-api/hotel-search/search-by-hotel-ids/#legal_info), [Affiliate](/docs/affiliate-api/hotel-search/search-by-hotel-ids/#legal_info)).
  * Search by geo coordinates ([B2B](/docs/b2b-api/hotel-search/search-by-geo-coordinates/#legal_info), [Affiliate](/docs/affiliate-api/hotel-search/search-by-geo-coordinates/#legal_info)).
  * Search by region ([B2B](/docs/b2b-api/hotel-search/search-by-region/#legal_info), [Affiliate](/docs/affiliate-api/hotel-search/search-by-region/#legal_info)).
  * Retrieve hotelpage ([B2B](/docs/b2b-api/hotel-search/retrieve-hotelpage/#legal_info), [Affiliate](/docs/affiliate-api/hotel-search/retrieve-hotelpage/#legal_info)).
  * Prebook rate from hotelpage step ([B2B](/docs/b2b-api/hotel-search/prebook-rate-from-hotelpage-step/#legal_info), [Affiliate](/docs/affiliate-api/hotel-search/prebook-rate-from-hotelpage-step/#legal_info)).
  * Retrieve rate info ([B2B](/docs/b2b-api/hotel-search/retrieve-rate-info/#legal_info), [Affiliate](/docs/affiliate-api/hotel-search/retrieve-rate-info/#legal_info)).

## December 17

### Updated { #december-17-updated }

* The <b>Search by hotel IDs</b> call:
  * [B2B](/docs/b2b-api/hotel-search/search-by-hotel-ids/).
  * [Affiliate](/docs/affiliate-api/hotel-search/search-by-hotel-ids/).
* The <b>Search by geo coordinates</b> call:
  * [B2B](/docs/b2b-api/hotel-search/search-by-geo-coordinates/).
  * [Affiliate](/docs/affiliate-api/hotel-search/search-by-geo-coordinates/).
* The <b>Search by region</b> call:
  * [B2B](/docs/b2b-api/hotel-search/search-by-region/).
  * [Affiliate](/docs/affiliate-api/hotel-search/search-by-region/).

## December 16

### Updated { #december-16-updated }

* The <b>Retrieve hotelpage</b> call:
  * [B2B](/docs/b2b-api/hotel-search/retrieve-hotelpage/).
  * [Affiliate](/docs/affiliate-api/hotel-search/retrieve-hotelpage/).

## December 13

### Updated { #december-13-updated }

* The `user` field in the <b>Start booking process</b> call:
  * [B2B](/docs/b2b-api/booking/start-booking-process/#user).
  * [Affiliate](/docs/affiliate-api/booking/start-booking-process/#user).
* The `user_ip` field in the <b>Create booking process</b> call:
  * [B2B](/docs/b2b-api/booking/create-booking-process/#user_ip).
  * [Affiliate](/docs/affiliate-api/booking/create-booking-process/#user_ip).

## December 10

### Added { #december-10-added }

* The `search_hash` field in the calls:
  * Search by hotel IDs ([B2B](/docs/b2b-api/hotel-search/search-by-hotel-ids/#search_hash), [Affiliate](/docs/affiliate-api/hotel-search/search-by-hotel-ids/#search_hash)).
  * Search by geo coordinates ([B2B](/docs/b2b-api/hotel-search/search-by-geo-coordinates/#search_hash), [Affiliate](/docs/affiliate-api/hotel-search/search-by-geo-coordinates/#search_hash)).
  * Search by region ([B2B](/docs/b2b-api/hotel-search/search-by-region/#search_hash), [Affiliate](/docs/affiliate-api/hotel-search/search-by-region/#search_hash)).

### Updated { #december-10-updated }

* The `type` field in the calls:
  * Search by hotel IDs ([B2B](/docs/b2b-api/hotel-search/search-by-hotel-ids/#type), [Affiliate](/docs/affiliate-api/hotel-search/search-by-hotel-ids/#type)).
  * Search by geo coordinates ([B2B](/docs/b2b-api/hotel-search/search-by-geo-coordinates/#type), [Affiliate](/docs/affiliate-api/hotel-search/search-by-geo-coordinates/#type)).
  * Search by region ([B2B](/docs/b2b-api/hotel-search/search-by-region/#type), [Affiliate](/docs/affiliate-api/hotel-search/search-by-region/#type)).
  * Retrieve hotelpage ([B2B](/docs/b2b-api/hotel-search/retrieve-hotelpage/#type), [Affiliate](/docs/affiliate-api/hotel-search/retrieve-hotelpage/#type)).
  * Prebook rate from hotelpage step ([B2B](/docs/b2b-api/hotel-search/prebook-rate-from-hotelpage-step/#type), [Affiliate](/docs/affiliate-api/hotel-search/prebook-rate-from-hotelpage-step/#type)).
  * Retrieve rate info ([B2B](/docs/b2b-api/hotel-search/retrieve-rate-info/#type), [Affiliate](/docs/affiliate-api/hotel-search/retrieve-rate-info/#type)).
  * Create booking process ([B2B](/docs/b2b-api/booking/create-booking-process/#type), [Affiliate](/docs/affiliate-api/booking/create-booking-process/#type)).
  * Start booking process ([B2B](/docs/b2b-api/booking/start-booking-process/#type), [Affiliate](/docs/affiliate-api/booking/start-booking-process/#type)).

## December 9

### Added { #december-09-added }

* The [Security features](/docs/fundamentals/security-features/) section.

### Updated { #december-09-updated }

* The <b>Prebook rate from hotelpage step</b> call:
  * [B2B](/docs/b2b-api/hotel-search/prebook-rate-from-hotelpage-step/).
  * [Affiliate](/docs/affiliate-api/hotel-search/prebook-rate-from-hotelpage-step/).
* The `return_path` field in the <b>Start booking process</b> call:
  * [B2B](/docs/b2b-api/booking/start-booking-process/).
  * [Affiliate](/docs/affiliate-api/booking/start-booking-process/).

## December 6

### Added { #december-06-added }

* The `meal_data` field in the calls:
  * Search by hotel IDs ([B2B](/docs/b2b-api/hotel-search/search-by-hotel-ids/#meal_data), [Affiliate](/docs/affiliate-api/hotel-search/search-by-hotel-ids/#meal_data)).
  * Search by geo coordinates ([B2B](/docs/b2b-api/hotel-search/search-by-geo-coordinates/#meal_data), [Affiliate](/docs/affiliate-api/hotel-search/search-by-geo-coordinates/#meal_data)).
  * Search by region ([B2B](/docs/b2b-api/hotel-search/search-by-region/#meal_data), [Affiliate](/docs/affiliate-api/hotel-search/search-by-region/#meal_data)).
  * Retrieve hotelpage ([B2B](/docs/b2b-api/hotel-search/retrieve-hotelpage/#meal_data), [Affiliate](/docs/affiliate-api/hotel-search/retrieve-hotelpage/#meal_data)).
  * Prebook rate from hotelpage step ([B2B](/docs/b2b-api/hotel-search/prebook-rate-from-hotelpage-step/#meal_data), [Affiliate](/docs/affiliate-api/hotel-search/prebook-rate-from-hotelpage-step/#meal_data)).
  * Retrieve rate info ([B2B](/docs/b2b-api/hotel-search/retrieve-rate-info/#meal_data), [Affiliate](/docs/affiliate-api/hotel-search/retrieve-rate-info/#meal_data)).
* The `has_breakfast` field in the <b>Retrieve bookings</b> call:
  * [B2B](/docs/b2b-api/post-booking/retrieve-bookings/#has_breakfast).
  * [Affiliate](/docs/affiliate-api/post-booking/retrieve-bookings/#has_breakfast).
* The `no_child_meal` field in the <b>Retrieve bookings</b> call:
  * [B2B](/docs/b2b-api/post-booking/retrieve-bookings/#no_child_meal).
  * [Affiliate](/docs/affiliate-api/post-booking/retrieve-bookings/#no_child_meal).

# November

## November 27

### Added { #november-27-added }

* The `images_ext` field in the <b>Retrieve hotel content</b> call:
  * [B2B](/docs/b2b-api/static-content/retrieve-hotel-content/#images_ext).
  * [Affiliate](/docs/affiliate-api/static-content/retrieve-hotel-content/#images_ext).

### Updated { #november-27-updated }

* The `non_free_amenities` field in the <b>Retrieve hotel content</b> call:
  * [B2B](/docs/b2b-api/static-content/retrieve-hotel-content/#non_free_amenities).
  * [Affiliate](/docs/affiliate-api/static-content/retrieve-hotel-content/#non_free_amenities).
* The `gender` field in the <b>Start booking process</b> call:
  * [B2B](/docs/b2b-api/booking/start-booking-process/#gender).
  * [Affiliate](/docs/affiliate-api/booking/start-booking-process/#gender).

## November 26

### Added { #november-26-added }

* The `insufficient_b2b_balance` error description in the <b>Start booking process</b> call:
  * [B2B](/docs/b2b-api/booking/start-booking-process/#insufficient_b2b_balance).
  * [Affiliate](/docs/affiliate-api/booking/start-booking-process/#insufficient_b2b_balance).
* The `deposit` field in the [Retrieve bookings](/docs/affiliate-api/post-booking/retrieve-bookings/#deposit) call.

## November 22

### Updated { #november-22-updated }

* The <b>Retrieve hotel incremental dump</b> call:
  * [B2B](/docs/b2b-api/static-content/retrieve-hotel-incremental-dump/).
  * [Affiliate](/docs/affiliate-api/static-content/retrieve-hotel-incremental-dump/).
* The <b>Retrieve hotel reviews’ dump</b> call:
  * [B2B](/docs/b2b-api/static-content/retrieve-hotel-reviews-dump/).
  * [Affiliate](/docs/affiliate-api/static-content/retrieve-hotel-reviews-dump/).
* The <b>Retrieve regions’ dump</b> call:
  * [B2B](/docs/b2b-api/static-content/retrieve-regions-dump/).
  * [Affiliate](/docs/affiliate-api/static-content/retrieve-regions-dump/).
* The <b>Retrieve hotel reviews’ incremental dump</b> call:
  * [B2B](/docs/b2b-api/static-content/retrieve-incremental-hotel-reviews-dump/).
  * [Affiliate](/docs/affiliate-api/static-content/retrieve-incremental-hotel-reviews-dump/).

## November 9

### Updated { #november-09-updated }

* The <b>Retrieve hotel content</b> call:
  * [B2B](/docs/b2b-api/static-content/retrieve-hotel-content/).
  * [Affiliate](/docs/affiliate-api/static-content/retrieve-hotel-content/).

# October

## October 5

### Updated { #october-05-updated }

* The <b>Documents</b> group calls:
  * [B2B](/docs/b2b-api/documents/).
  * [Affiliate](/docs/affiliate-api/documents/).

## October 4

### Updated { #october-04-updated }

* The <b>Create credit card token</b> call:
  * [B2B](/docs/b2b-api/booking/create-credit-card-token/).
  * [Affiliate](/docs/affiliate-api/booking/create-credit-card-token/).
* The <b>Contracts</b> group calls:
  * [B2B](/docs/b2b-api/contracts/).
  * [Affiliate](/docs/affiliate-api/contracts/).
* The [Order groups](/docs/b2b-api/order-groups/) group call.

## October 3

### Added { #october-03-added }

* The `hid` field in the calls:
  * Search by hotel IDs ([B2B](/docs/b2b-api/hotel-search/search-by-hotel-ids/#hid), [Affiliate](/docs/affiliate-api/hotel-search/search-by-hotel-ids/#hid)).
  * Search by geo coordinates ([B2B](/docs/b2b-api/hotel-search/search-by-geo-coordinates/#hid), [Affiliate](/docs/affiliate-api/hotel-search/search-by-geo-coordinates/#hid)).
  * Search by region ([B2B](/docs/b2b-api/hotel-search/search-by-region/#hid), [Affiliate](/docs/affiliate-api/hotel-search/search-by-region/#hid)).
  * Sort hotels ([B2B](/docs/b2b-api/hotel-search/sort-hotels/#hid), [Affiliate](/docs/affiliate-api/hotel-search/sort-hotels/#hid)).
  * Suggest hotel and region ([B2B](/docs/b2b-api/hotel-search/suggest-hotel-and-region/#hid), [Affiliate](/docs/affiliate-api/hotel-search/suggest-hotel-and-region/#hid)).
  * Retrieve hotelpage ([B2B](/docs/b2b-api/hotel-search/retrieve-hotelpage/#hid), [Affiliate](/docs/affiliate-api/hotel-search/retrieve-hotelpage/#hid)).
  * Prebook rate from hotelpage step ([B2B](/docs/b2b-api/hotel-search/prebook-rate-from-hotelpage-step/#hid), [Affiliate](/docs/affiliate-api/hotel-search/prebook-rate-from-hotelpage-step/#hid)).
  * Retrieve rate info ([B2B](/docs/b2b-api/hotel-search/retrieve-rate-info/#hid), [Affiliate](/docs/affiliate-api/hotel-search/retrieve-rate-info/#hid)).
  * Retrieve bookings ([B2B](/docs/b2b-api/post-booking/retrieve-bookings/#hid), [Affiliate](/docs/affiliate-api/post-booking/retrieve-bookings/#hid)).
  * Cancel booking ([B2B](/docs/b2b-api/post-booking/cancel-booking/#hid), [Affiliate](/docs/affiliate-api/post-booking/cancel-booking/#hid)).

### Updated { #october-03-updated }

* The `id` field in the calls:
  * Search by hotel IDs ([B2B](/docs/b2b-api/hotel-search/search-by-hotel-ids/#id), [Affiliate](/docs/affiliate-api/hotel-search/search-by-hotel-ids/#id)).
  * Search by geo coordinates ([B2B](/docs/b2b-api/hotel-search/search-by-geo-coordinates/#id), [Affiliate](/docs/affiliate-api/hotel-search/search-by-geo-coordinates/#id)).
  * Search by region ([B2B](/docs/b2b-api/hotel-search/search-by-region/#id), [Affiliate](/docs/affiliate-api/hotel-search/search-by-region/#id)).
  * Sort hotels ([B2B](/docs/b2b-api/hotel-search/sort-hotels/#id), [Affiliate](/docs/affiliate-api/hotel-search/sort-hotels/#id)).
  * Suggest hotel and region ([B2B](/docs/b2b-api/hotel-search/suggest-hotel-and-region/#id), [Affiliate](/docs/affiliate-api/hotel-search/suggest-hotel-and-region/#id)).
  * Retrieve hotelpage ([B2B](/docs/b2b-api/hotel-search/retrieve-hotelpage/#id), [Affiliate](/docs/affiliate-api/hotel-search/retrieve-hotelpage/#id)).
  * Prebook rate from hotelpage step ([B2B](/docs/b2b-api/hotel-search/prebook-rate-from-hotelpage-step/#id), [Affiliate](/docs/affiliate-api/hotel-search/prebook-rate-from-hotelpage-step/#id)).
  * Retrieve rate info ([B2B](/docs/b2b-api/hotel-search/retrieve-rate-info/#id), [Affiliate](/docs/affiliate-api/hotel-search/retrieve-rate-info/#id)).
  * Retrieve bookings ([B2B](/docs/b2b-api/post-booking/retrieve-bookings/#id), [Affiliate](/docs/affiliate-api/post-booking/retrieve-bookings/#id)).
  * Cancel booking ([B2B](/docs/b2b-api/post-booking/cancel-booking/#id), [Affiliate](/docs/affiliate-api/post-booking/cancel-booking/#id)).
* The <b>Endpoints</b> group calls:
  * [B2B](/docs/b2b-api/endpoints/).
  * [Affiliate](/docs/affiliate-api/endpoints/).
* The [Profiles](/docs/b2b-api/profiles/) group call.

# September

## September 30

### Updated { #september-30-updated }

* The “`timeout`, `unknown`, and `5xx`” error description in the <b>Check booking process</b> call:
  * [B2B](/docs/b2b-api/booking/check-booking-process/#timeout-unknown-and-5xx).
  * [Affiliate](/docs/affiliate-api/booking/check-booking-process/#timeout-unknown-and-5xx).

## September 26

### Added { #september-26-added }

* The [Supplier types](/docs/glossary/#supplier-types) terms.

### Updated { #september-26-updated }

* The <b>Retrieve hotel dump</b> call:
  * [B2B](/docs/b2b-api/static-content/retrieve-hotel-dump/).
  * [Affiliate](/docs/affiliate-api/static-content/retrieve-hotel-dump/).

## September 25

### Updated { #september-25-updated }

* The response example in the <b>Check booking process</b> call:
  * [B2B](/docs/b2b-api/booking/check-booking-process/#response-example).
  * [Affiliate](/docs/affiliate-api/booking/check-booking-process/#response-example).

## September 14

### Added { #september-14-added }

* The <b>Retrieve hotel static data</b> call:
  * [B2B](/docs/b2b-api/static-content/retrieve-hotel-static-data/).
  * [Affiliate](/docs/affiliate-api/static-content/retrieve-hotel-static-data/).

### Updated { #september-14-updated }

* The `language` field possible values across all calls:
  * `ar` — Arabic.
  * `bg` — Bulgarian.
  * `cs` — Czech.
  * `de` — German.
  * `el` — Greek.
  * `en` — English.
  * `es` — Spanish.
  * `fr` — French.
  * `he` — Hebrew.
  * `hu` — Hungarian.
  * `it` — Italian.
  * `ja` — Japanese.
  * `kk` — Kazakh.
  * `ko` — Korean.
  * `nl` — Dutch.
  * `pl` — Polish.
  * `pt` — Portuguese.
  * `pt_PT` — Portuguese (Portugal).
  * `ro` — Romanian.
  * `ru` — Russian.
  * `sq` — Albanian.
  * `sr` — Serbian.
  * `th` — Thai.
  * `tr` — Turkish.
  * `uk` — Ukrainian.
  * `vi` — Vietnamese.
  * `zh_CN` — Simplified Chinese.
* The <b>Create booking process</b> call errors’ descriptions:
  * `sandbox_restriction`:
    * [B2B](/docs/b2b-api/booking/create-booking-process/#sandbox_restriction).
    * [Affiliate](/docs/affiliate-api/booking/create-booking-process/#sandbox_restriction).
  * `timeout`, `unknown`, and `5xx`:
    * [B2B](/docs/b2b-api/booking/create-booking-process/#timeout-unknown-and-5xx).
    * [Affiliate](/docs/affiliate-api/booking/check-booking-process/#timeout-unknown-and-5xx).
* The “`timeout`, `unknown`, and `5xx`” error description in the <b>Start booking process</b> call:
  * [B2B](/docs/b2b-api/booking/start-booking-process/#timeout-unknown-and-5xx).
  * [Affiliate](/docs/affiliate-api/booking/start-booking-process/#timeout-unknown-and-5xx).
* The “`timeout`, `unknown`, and `5xx`” error description in the <b>Check booking process</b> call:
  * [B2B](/docs/b2b-api/booking/check-booking-process/#timeout-unknown-and-5xx).
  * [Affiliate](/docs/affiliate-api/booking/check-booking-process/#timeout-unknown-and-5xx).
* The <b>Signature verification</b> section in the <b>Receive booking status webhook</b> webhook:
  * [B2B](/docs/b2b-api/booking/receive-booking-status-webhook/#signature-verification).
  * [Affiliate](/docs/affiliate-api/booking/receive-booking-status-webhook/#signature-verification).
* The [Glossary](/docs/glossary/) section.
* The [Authorization](/docs/fundamentals/authorization/) section.
* The [API support recommendations](/docs/api-support-recommendations/) section.

## September 9

### Updated { #september-09-updated }

* The <b>Errors</b> section in the <b>Search by hotel IDs</b> call:
  * [B2B](/docs/b2b-api/hotel-search/search-by-hotel-ids/#errors).
  * [Affiliate](/docs/affiliate-api/hotel-search/search-by-hotel-ids/#errors).
* The <b>Errors</b> section in the <b>Search by geo coordinates</b> call:
  * [B2B](/docs/b2b-api/hotel-search/search-by-geo-coordinates/#errors).
  * [Affiliate](/docs/affiliate-api/hotel-search/search-by-geo-coordinates/#errors).
* The <b>Errors</b> section in the <b>Search by region</b> call:
  * [B2B](/docs/b2b-api/hotel-search/search-by-region/#errors).
  * [Affiliate](/docs/affiliate-api/hotel-search/search-by-region/#errors).

# August

## August 22

### Added { #august-22-added }

* The `match_hash` field in the <b>Retrieve hotelpage</b> call:
  * [B2B](/docs/b2b-api/hotel-search/retrieve-hotelpage/#match_hash).
  * [Affiliate](/docs/affiliate-api/hotel-search/retrieve-hotelpage/#match_hash).

### Updated { #august-22-updated }

* The [Errors](/docs/fundamentals/errors/) section.

## August 21

### Added { #august-21-added }

* The `room_name_info` field in the calls:
  * Search by hotel IDs ([B2B](/docs/b2b-api/hotel-search/search-by-hotel-ids/#hid), [Affiliate](/docs/affiliate-api/hotel-search/search-by-hotel-ids/#hid)).
  * Search by geo coordinates ([B2B](/docs/b2b-api/hotel-search/search-by-geo-coordinates/#hid), [Affiliate](/docs/affiliate-api/hotel-search/search-by-geo-coordinates/#hid)).
  * Search by region ([B2B](/docs/b2b-api/hotel-search/search-by-region/#hid), [Affiliate](/docs/affiliate-api/hotel-search/search-by-region/#hid)).
  * Retrieve hotelpage ([B2B](/docs/b2b-api/hotel-search/retrieve-hotelpage/#hid), [Affiliate](/docs/affiliate-api/hotel-search/retrieve-hotelpage/#hid)).
  * Prebook rate from hotelpage step ([B2B](/docs/b2b-api/hotel-search/prebook-rate-from-hotelpage-step/#hid), [Affiliate](/docs/affiliate-api/hotel-search/prebook-rate-from-hotelpage-step/#hid)).
  * Retrieve rate info ([B2B](/docs/b2b-api/hotel-search/retrieve-rate-info/#hid), [Affiliate](/docs/affiliate-api/hotel-search/retrieve-rate-info/#hid)).

### Updated { #august-21-updated }

* The [Requests](/docs/fundamentals/requests/) section.
* The [Responses](/docs/fundamentals/responses/) section.

## August 17

### Updated { #august-17-updated }

* The <b>Retrieve endpoints</b> call:
  * [B2B](/docs/b2b-api/endpoints/retrieve-endpoints/).
  * [Affiliate](/docs/affiliate-api/endpoints/retrieve-endpoints/).

## August 16

### Added { #august-16-added }

* The `amount_sell_b2b2c_commission` field in the [Retrieve bookings](/docs/b2b-api/post-booking/retrieve-bookings/#amount_sell_b2b2c_commission) call.

# July

## July 23

### Added { #july-23-added }

* The `amount_info` field in the calls:
  * [Retrieve bookings](/docs/b2b-api/post-booking/retrieve-bookings/#amount_info).
  * [Cancel booking](/docs/b2b-api/post-booking/cancel-booking/#amount_info).

### Updated { #july-23-updated }

* The regular expression for the `first_name` and `last_name` fields in the <b>Start booking process</b> call:
  * [B2B](/docs/b2b-api/booking/start-booking-process/#first_name).
  * [Affiliate](/docs/affiliate-api/booking/start-booking-process/#first_name).

# June

## June 19

### Added { #june-19-added }

* The <b>Retrieve rate info</b> call:
  * [B2B](/docs/b2b-api/hotel-search/retrieve-rate-info/).
  * [Affiliate](/docs/affiliate-api/hotel-search/retrieve-rate-info/).

## June 6

### Added { #june-06-added }

* The <b>Retrieve hotel custom dump</b> call:
  * [B2B](/docs/b2b-api/static-content/retrieve-hotel-custom-dump/).
  * [Affiliate](/docs/affiliate-api/static-content/retrieve-hotel-custom-dump/).

## June 3

### Added { #june-03-added }

* The `vat_data` field in the <b>Retrieve hotelpage</b> call:
  * [B2B](/docs/b2b-api/hotel-search/retrieve-hotelpage/#vat_data).
  * [Affiliate](/docs/affiliate-api/hotel-search/retrieve-hotelpage/#vat_data).

# May

## May 14

### Updated { #may-14-updated }

* The `timestamp` field in the <b>Receive booking status webhook</b> webhook:
  * [B2B](/docs/b2b-api/booking/receive-booking-status-webhook/#timestamp).
  * [Affiliate](/docs/affiliate-api/booking/receive-booking-status-webhook/#timestamp).

## May 13

### Updated { #may-13-updated }

* The `unauthorized_group_booking` error description in the <b>Start booking process</b> call:
    * [B2B](/docs/b2b-api/booking/start-booking-process/#unauthorized_group_booking).
    * [Affiliate](/docs/affiliate-api/booking/start-booking-process/#unauthorized_group_booking).