Changelog

25th July 2025

• CHM: Process group:

  • Extended request object with new booker property.

29th May 2025

• Further refinements to the partner journey, including Your integration journey and Environments. Documentation-only, no change to API.

16th April 2025

• Minor refinements to Your integration journey and Certification pages. Documentation-only, no changes to API.

15th April 2025

• Mews: Process availability block:

  • Extended Rate object with occupancyAdjustments property to specify extra occupancy adjustments for various age categories.

• Improvements to Your integration journey and Certification pages. Documentation-only, no changes to API.

17th March 2025

• Mews: Process group:

  • Extended request object with new booker property.

12th March 2024

• Mews: Process availability block:

  • Extended request object with paymentCard property.

  • Extended Rate object with prices property to specify occupancy-based prices.

  • Deprecated grossAmount property in the Rate object. Use prices instead.

  • Breaking! Endpoint URL changed to be sent via PCI proxy. You must update the URL used for this operation.

13th December 2024

• Refresh of entire site. Documentation-only, no changes to API.

7th November 2024

• Mews: Process group – added recommended limit of 100 reservations per group. Documentation-only.

4th November 2024

• Deprecated loyaltyCode in Mews: Process group. This is replaced by loyaltyInfo.

11th October 2024

• Mews: Process availability block – Added Rolling to release strategy type; added offset property to release strategy object, and updated contract and description for fixedDate property (NOT a breaking change)

• CHM: Process availability block – Added releasedStrategy property to availability block object and deprecated releasedDate property – see Deprecations.

10th October 2024

• Availability block extended with pickupType field.

• Availability block extended with pickupType field.

8th October 2024

• New operation Mews: Process availability block.

4th October 2024

• CHM: Update prices extended with dependent rates.

2nd Oct 2024

• Updated Usage guidelines to advise how to add new sales channels or sources through the API. Documentation-only.

11th September 2024

• Restrictions explanations re-written and moved to new section Concepts.

25th July 2024

• Moved integration process documentation into new section Your integration journey. Documentation-only.

• Added Re-certification to the Certification page. Documentation-only.

23rd July 2024

• Re-worded error code descriptions for improved clarity, and updated Certification Error Tests. Documentation-only.

24th June 2024

• Availability block extended with notes field.

• Loyalty info extended with tierCode field.

• Reservation extended with timeState field and paymentCardData object. Note these properties are only used by CHM: Process group, not by Mews: Process group.

• Correction: Minor corrections to examples in CHM: Process group and Mews: Process group.

• Correction: paymentType removed from Request in CHM: Process group. This is only used on the Mews side.

16th May 2024

• Clarified Synchronous error response

• Deprecated error (singular) in Synchronous error response, use errors (plural, array) instead. See Deprecations

• Deprecated paymentType in RatePlan, see Deprecations.

19th April 2024

• Clarified dates in ARI pushes, Availability blocks and Reservation Push and delivery.

11th April 2024

• Added loyalty info to Request in CHM: Process Availability block.

26th March 2024

• Minor changes to highlight the need for re-certification when replacing deprecated features, see Deprecations (documentation only)

9th January 2024

• Added Age Category Code in Mews: Process Group (documentation only).

• Added explanations to Mews: Process Group for the consequences of using negative extra product amounts (documentation only).

Changelog by year
Changelog 2023
Changelog 2022
Changelog 2021
Changelog 2020
Changelog 2019
Changelog 2018
Changelog 2017