ETG API V3

Changelog

2026

ℹ️

The complete changelog for 2026 is available on this page.

April

April 20

#b2b #affiliate

Added

The description check_in_time_end field in the calls:

Retrieve hotel content (B2B, Affiliate).
Retrieve hotels content by IDs.

April 18

#b2b #affiliate

Added

The description beds, bed, count fields in the calls:

Prebook rate from hotelpage step (B2B, Affiliate).
Prebook rate from search step (B2B, Affiliate).
Search by hotel IDs (B2B, Affiliate).
Search by geo coordinates (B2B, Affiliate).
Search by region (B2B, Affiliate).
Retrieve hotelpage (B2B, Affiliate).

April 14

#b2b #affiliate

Updated

The description socket_types field in the Retrieve hotel static data (B2B, Affiliate) call.

April 7

Updated

The description serp_filters field in the Retrieve filter values call.

April 5

#b2b #affiliate

Updated

The description order_id field in the Retrieve bookings (B2B, Affiliate) call.

March

March 31

#b2b #affiliate

Added

Dump file structure, Structure of the region, and Field details to the Retrieve regions’ dump (B2B, Affiliate).

Updated

The description Retrieve hotel custom dump (B2B, Affiliate) call.

March 29

#b2b #affiliate

Updated

The fsa_kind and fsa_name fields are marked as cancelled in the following calls:
- Retrieve hotel content (B2B, Affiliate).
- Retrieve hotels content by IDs.
The metapolicy_struct field in the Retrieve hotel content (B2B, Affiliate) call.

Added

The name field in the Retrieve hotel static data (B2B, Affiliate) call.

March 26

#b2b #affiliate

Updated

The description comment field in the Start booking process (B2B, Affiliate) call.
The description in the Suggest hotel and region (B2B, Affiliate) call.

March 16

#b2b #affiliate

Updated

The description amenity_translations field in the Retrieve hotel static data (B2B, Affiliate) call.

March 13

#b2b #affiliate

Updated

Revised the Integration Guide and Certification and Production access documentation.
The description day_period field in the calls:
- Retrieve hotel content (B2B, Affiliate).
- Retrieve hotels content by IDs.
The description checkin_datetime and checkout_datetime fields in the Start booking process call.
The description check_in_time, check_out_time and time fields in the calls:
- Retrieve hotel content (B2B, Affiliate).
- Retrieve hotels content by IDs.
The description arrival_datetime field in the Start booking process (B2B, Affiliate).
The description from_timefield in the calls:
- Prebook rate from hotelpage step (B2B, Affiliate).
- Prebook rate from search step (B2B, Affiliate).
- Search by hotel IDs (B2B, Affiliate).
- Search by geo coordinates (B2B, Affiliate).
- Search by region (B2B, Affiliate).
- Retrieve hotelpage (B2B, Affiliate).
- Retrieve rate info (B2B, Affiliate).
The description time fields in the calls:

March 12

#b2b #affiliate

Updated

The description Receive booking status webhook (B2B, Affiliate) call.
The description by and type fields:
- Search by hotel IDs (B2B, Affiliate).
- Search by geo coordinates (B2B, Affiliate).
- Search by region (B2B, Affiliate).
- Retrieve hotelpage (B2B, Affiliate).
- Prebook rate from hotelpage step (B2B, Affiliate).
- Prebook rate from search step (B2B, Affiliate).
- Retrieve rate info (B2B, Affiliate).
- Start booking process (B2B, Affiliate).
- Create booking process (B2B, Affiliate).
- Retrieve rate info (B2B, Affiliate).
The serp_filters field are marked as deprecated in the calls:
- Prebook rate from hotelpage step (B2B, Affiliate).
- Prebook rate from search step (B2B, Affiliate).
- Search by hotel IDs (B2B, Affiliate).
- Search by geo coordinates (B2B, Affiliate).
- Search by region (B2B, Affiliate).
- Retrieve hotelpage (B2B, Affiliate).
- Retrieve rate info (B2B, Affiliate).

March 6

#b2b #affiliate

Added

The filter field in the calls:

Search by hotel IDs (B2B, Affiliate).
Search by geo coordinates (B2B, Affiliate).
Search by region (B2B, Affiliate).
Retrieve hotelpage (B2B, Affiliate).

Updated

The Request examples and Response examples in th e calls:
- Search by hotel IDs (B2B, Affiliate).
- Search by geo coordinates (B2B, Affiliate).
- Search by region (B2B, Affiliate).
- Retrieve hotelpage (B2B, Affiliate).
Dump download links are now temporary (valid for 1 hour only). The API must be called each time a new link is required:
- Retrieve hotel dump (B2B, Affiliate).
- Retrieve hotel custom dump (B2B, Affiliate).
- Retrieve hotel incremental dump (B2B, Affiliate).
- Retrieve point of interest dump (B2B, Affiliate).
- Retrieve hotel reviews’ dump (B2B, Affiliate).
- Retrieve regions’ dump (B2B, Affiliate).
- Retrieve hotel reviews’ incremental dump (B2B, Affiliate).

March 5

#b2b #affiliate

Updated

The Retrieve hotel custom dump (B2B, Affiliate) method:

Request example, request body description, and field descriptions for url (B2B, Affiliate) and last_update (B2B, Affiliate).

March 2

#b2b #affiliate

Updated

The description Prebook rate from search step (B2B, Affiliate) call.
The search_hash field in the calls:
- Search by hotel IDs (B2B, Affiliate).
- Search by geo coordinates (B2B, Affiliate).
- Search by region (B2B, Affiliate).

February

February 25

#b2b #affiliate

Updated

The description Prebook rate from search step (B2B, Affiliate) call.

February 24

#fundamentals

Updated

The section Responses description.

February 4

Added

#b2b #affiliate

Error Handling diagrams in the calls:
- Create booking process (B2B, Affiliate).
- Check booking process (B2B, Affiliate).
- Start booking process (B2B, Affiliate).
Error Handling diagrams in the Integration guide to API Integration and Certification Guidelines.

January

January 30

Updated

The description calls:

January 29

Updated

Responses examples in the calls:

January 28

Updated

#b2b #affiliate

The images field are marked as deprecated in the calls:

Retrieve hotel content (B2B, Affiliate).
Retrieve hotels content by IDs.

January 26

Added

New Sandbox section.
New Certification and Production access section.
Sandbox-specific information to calls (B2B, Affiliate).

Updated

#b2b #affiliate

The id and ids fields are marked as deprecated in the calls:
- Search by hotel IDs (B2B, Affiliate).
- Search by geo coordinates (B2B, Affiliate).
- Search by region (B2B, Affiliate).
- Suggest hotel and region (B2B, Affiliate).
- Retrieve hotelpage (B2B, Affiliate).
- Prebook rate from hotelpage step (B2B, Affiliate).
- Prebook rate from search step (B2B, Affiliate).
- Retrieve rate info (B2B, Affiliate).
- Retrieve hotel content (B2B, Affiliate).
- Retrieve bookings (B2B, Affiliate).
Test environment section in the Best Practices.

January 21

Updated

#b2b #affiliate

The incorrect_chosen_payment_type error in the Start booking process (B2B, Affiliate) call.
The amount and included fields description in the calls:
- Search by hotel IDs (B2B).
- Search by geo coordinates (B2B).
- Search by region (B2B).
- Retrieve hotelpage (B2B).
- Prebook rate from hotelpage step (B2B).
- Prebook rate from search step (B2B).
- Retrieve rate info (B2B).
The request example in the Retrieve hotel IDs by filter.
The order_type and type fields description in the Retrieve bookings call (B2B, Affiliate).

January 20

Updated

#b2b #affiliate

The fsa_kind and fsa_name fields are marked as deprecated in the following calls:
- Retrieve hotel content (B2B, Affiliate).
- Retrieve hotels content by IDs.
Descriptions for Prebook rate from hotelpage step (B2B, Affiliate) and Prebook rate from search step (B2B, Affiliate) calls.
Prebook section in the API Integration and Certification Guidelines.
The guests field description in the calls:
- Search by hotel IDs (B2B, Affiliate).
- Search by geo coordinates (B2B, Affiliate).
- Search by region (B2B, Affiliate).
- Retrieve hotelpage (B2B, Affiliate).
- Retrieve rate info (B2B, Affiliate).

Added

#b2b #affiliate

The kind and name fields in the calls:
- Retrieve hotel content (B2B, Affiliate).
- Retrieve hotels content by IDs.