Changelog

September 10, 2026

Payout operations

• Get all payouts (restricted operation):

  • New operation to retrieve payouts for reconciling bank deposits against Mews (beta). Only payouts executed by a supported payment service provider are returned, currently Stripe and Adyen.
• Get all payout transactions (restricted operation):

  • New operation to retrieve the payment transactions that compose a payout (beta).

August 28, 2026

Deletion tracking for loyalty memberships and resources

• Get all loyalty memberships:
• Add loyalty memberships:
• Update loyalty memberships:

  • Extended Loyalty membership response object with required ActivityState (Activity state enum) and optional DeletedUtc properties.
• Get all resources:

  • Extended Resource response object with optional DeletedUtc property.

August 28, 2026

Customer association for message threads

• Add message thread:

  • Extended the request with optional CustomerId parameter to associate the thread with a customer's guest messaging inbox.

August 27, 2026

New webhook events for resource deletions and product changes

• General Webhooks:

  • Added ResourceDeleted event, triggered when a resource is deleted. Enabled per integration partner; contact Mews to opt in.
  • Added ProductUpdated and ProductDeleted events, triggered when a product is updated or deleted. Requires the product events webhook subscription. Deleting a service does not delete its products, so no ProductDeleted events are triggered by service deletion.
  • Like other General Webhook events, the events carry the entity Id only – fetch entity details with Get all resources or Get all products.

August 21, 2026

New resource category types, customer custom titles

• Get all resources:
• Add resource categories (restricted operation):
• Update resource categories (restricted operation):
• Get all restrictions:
• Set restrictions:
• Clear restrictions:

  • Extended Resource category type enum with Cabin, Pod and SunBed values.
• Get all customers:
• Search customers:
• Add customer:
• Update customer:
• Get all reservations (ver 2017-04-12):
• Get all companionships:

  • Extended Customer response object with CustomTitleName property – name of the customer's custom title, as configured in the chain's guest titles. Mutually exclusive with Title; unlike Title, the value is not localized.
  • The property is also included in exports of the Customer Exported entity type.
• Update accounts:

  • Extended the account's Customer response object with the same CustomTitleName property.

August 19, 2026

Payment policy operations

• Get all payment policies (restricted operation):
• Get all payment policy assignments (restricted operation):

  • New operations to read payment policies and their assignments to rate groups and rates (beta).

August 13, 2026

Transaction details for alternative payments

• Get all payments:

  • Extended Alternative payment data response object with optional Transaction property, referencing Credit card transaction.

August 12, 2026

Cancellation policy management operations

• Get all cancellation policies (ver 2026-07-31) (restricted operation):
• Add cancellation policies (restricted operation):
• Update cancellation policies (restricted operation):
• Delete cancellation policies (restricted operation):

  • New operations to read, create, update and delete cancellation policies (beta).

August 12, 2026

Guest portal links, tax codes for dependent rates

• Generate Guest portal links (restricted operation):

  • New operation that generates single-use Guest portal links for a reservation and customer.
• Add rates:
• Set rates:

  • Extended Dependent rate pricing parameters and Dependent rate set pricing parameters respectively with optional TaxCodes request parameter.

August 11, 2026

Billing automation prepayment condition for virtual credit cards

• Get all billing automations:
• Add billing automations:
• Update billing automations:

  • Extended Billing automation prepayment type enum with PrepaidOrVcc value. A billing automation with this prepayment condition applies to reservations that the OTA flagged as prepaid and to reservations with a virtual credit card attached.
  • Clarified the All and Prepaid value descriptions to state which reservations each value applies to. Documentation-only, no change to API.

July 31, 2026

July 2026 updates

• Add resource categories (restricted operation):
• Update resource categories (restricted operation):
• Delete resource categories (restricted operation):

  • New operations to create, update and delete resource categories (beta). A resource category cannot be deleted while it still has active resources, overbookings, rate adjustments, channel manager mappings, product rules, promotions, restrictions or active reservations.
• Get all identity documents:
• Add identity documents:
• Update identity documents:

  • Extended Identity document (ver 2024-10-25) response object with IsVerified property.
  • Extended Identity document parameters and Identity document update parameters request objects with IsVerified parameter. Defaults to false when not specified.
• Get customers relationships (restricted operation):

  • Extended request with optional UpdatedUtc time interval filter, with a maximum length of 3 months.
  • Extended Customer relationship response object with UpdatedUtc property.
• Get all counters:

  • Extended Counter type discriminator enum with PaymentSplitBillCounter value.
• Get all order items:

  • Extended Tax exemption reason type enum with IT_N2_1, IT_N3_4, FR_261_7, FR_262_00_BIS, and FR_293_B values.
• Set rates:

  • The DependentRatePricing parameter now references Dependent rate set pricing parameters. The object has the same structure as before. Documentation-only, no change to API.

July 29, 2026

Deprecation of Add credit card payment operation

• Add credit card payment:

  • Deprecated operation. Follow the Payment automation use case to collect and charge payment methods with Mews Payments Checkout.
  • This operation will be discontinued on 10 January 2028.
  • Existing integrations can keep using this operation until the discontinuation date.

July 22, 2026

Payment automation use case documents Mews Payments Checkout

• Payment automation use case:

  • Rewritten to document Mews Payments Checkout, the embeddable checkout for collecting payments and payment methods directly in your application. Covers the payment request and payment method request flows, loading configuration, callback events, styling, and testing. Documentation-only, no change to API.

July 3, 2026

Clarified RollingReleaseOffset in availability blocks

• Get all availability blocks, Add availability blocks, Update availability blocks:

  • Clarified RollingReleaseOffset description and updated examples. Documentation-only, no change to API.

June 26, 2026

Add billing automation payment plan generally available

• Add billing automation payment plan:

  • Operation is no longer restricted and is now generally available. It is covered by the standard Connector API deprecation policy.
  • Documented that only Payment card and SEPA Direct Debit payment methods are currently supported. Documentation-only, no change to API.

June 24, 2026

Cashier transaction type

• Get all cashier transactions:

  • Extended Cashier transaction response object with optional Type property and added the Cashier transaction type enum (CashIn, CashOut, CashOutTip, CashOutExpense, CashOutFloatAdjustment). The property is not set for legacy transactions created before the type was tracked.

June 19, 2026

Allowances use case documentation

• Allowances use cases:

  • New use case documentation, no change to API.
  • Documents allowance-related order item types (AllowanceDiscount, AllowanceBreakage, AllowanceContraBreakage) and how charges posted against a guest with an active allowance are automatically offset by an AllowanceDiscount order item.

June 11, 2026

Removed reservation-based Add payment plan from the documentation

• Add payment plan:

  • Removed restricted operation from the documentation. It is superseded by Add billing automation payment plan.

June 11, 2026

May 2026 updates

• Add availability blocks:

  • Extended Availability block parameters request object with TemplateRateId parameter, replacing RateId. The block is always created with a new dedicated rate based on this template, so the RateId returned in the response differs from the TemplateRateId provided in the request. This is not a new behavior, but the new property makes it explicit.
  • Deprecated: RateId parameter in Availability block parameters. Use TemplateRateId instead. RateId is kept as a synonym for backward compatibility and is ignored when TemplateRateId is provided.
• Get all products:

  • Extended Product response object with ExcludePriceFromOffer property.
• Get bill PDF:

  • Documented the "Property Financial Document Print Event Weekly Count" quota. Documentation-only, no change to API.
• Get service availability (ver 2024-01-22):

  • Operation is no longer restricted and is now generally available.

May 21, 2026

Removed CheckOverbooking and CheckRateApplicability from Update reservations

• Update reservations:

  • Removed CheckOverbooking and CheckRateApplicability request parameters. These were never implemented in this operation and had no effect. Documentation-only, no change to API.

May 11, 2026

April 2026 updates

• Get customers relationships (restricted operation):

  • New operation to retrieve relationships between customers (beta).
• Add billing automation payment plan (restricted operation):

  • New operation to add a payment plan connected to a billing automation (beta).
• Get configuration:

  • Extended Enterprise response object with ShortName property.
  • Extended Accounting configuration option enum with EmailClosedBillsAfterCheckout value.
• Get all enterprises:

  • Extended Enterprise response object with ShortName property.
• Price reservations:

  • Extended Reservation parameters request object with AssignedResourceId and AssignedResourceLocked properties.

April 30, 2026

Integration Webhooks documentation update

• Integration Webhooks:

  • Clarified contract and description of Requestor field in integration created data. Documentation-only, no change to API.

April 23, 2026

Blocklist replaces Blacklist in customer classifications

• Update accounts:

  • Extended Customer update classifications request object with Blocklist property.
  • Extended Customer classifications response object with Blocklist property.
  • Deprecated: Blacklist property in Customer update classifications and Customer classifications. Use Blocklist instead.
• Get all customers:
• Add customer:
• Update customer:
• Search customers:

  • Extended Customer classification enum with Blocklist value.
  • Removed incorrect None value from Customer classification enum.
  • Deprecated: Blacklist value in Customer classification enum. Use Blocklist instead.

April 16, 2026

New export entity type: Ledger entries

• Add export:
• Get all exports:

  • Extended Exported entity type enum with LedgerEntry value (beta).
  • Extended Export data filters with LedgerEntryFilters parameter required LedgerEntry type.
  • Added Export ledger entry data filters object with Posting date interval filter.
  • Added Ledger entry entity definition for exported ledger entry file content (beta).

April 8, 2026

Payments and payment methods updates

• Get all payments:

  • Extended Payment data response object with Alternative property.
  • Extended Payment data discriminator with Alternative value.
  • Added Alternative payment data response object with Alternative payment method type enum.
  • Deprecated: DepositCreditCard value in External payment type. Only supported for existing partners.
• Add payment requests:

  • Extended Payment request parameters request object with optional BillId parameter.

March 25, 2026

March 2026 updates

• Get all billing automations:
• Add billing automations:
• Update billing automations:
• Update billing automations assignments:

  • Extended Billing automation response object with UpdatedUtc, CreatorProfileId, and UpdaterProfileId properties.
• Get all customers:
• Search customers:
• Add customer:
• Update customer:

  • Extended Customer response object with BirthCountryCode, BirthCountrySubdivisionCode, and ItalianLotteryCode properties.
  • Extended request objects with BirthCountryCode, BirthCountrySubdivisionCode, and ItalianLotteryCode parameters.
• Update accounts:

  • Extended Company update parameters request object with ItLotteryCode parameter.
  • Extended Company response object with ItLotteryCode property.
• Get all payments:

  • Extended Payment response object with PaymentRequestId property.

February 27, 2026

New operation: Close tasks

• Close tasks:

  • New operation to close tasks.

February 25, 2026

25th February 2026

• Get service availability (ver 2024-01-22):

  • Extended Service availability metrics with HouseUse.
• Add payment method request:

  • New operation. Adds a payment method request to a customer or company account, prompting them to provide a payment method such as a payment card or SEPA direct debit.

February 10, 2026

Restrictions removal

• Add restrictions:
• Delete restrictions:

  • Removed operations. See Migration guide: Restrictions (add/delete to set/clear) for details.

January 20, 2026

January 2026 updates

• Add payment requests:

  • Extended request object with SendPaymentRequestEmails parameter.
• Get all reservations (ver 2023-06-06):

  • Extended Commander origin with RoomingList.
• Get all taxations:
• Get all tax environments:

  • Updated examples. Documentation-only, no change to API.