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OpenAPI Specification

openapi: 3.2.0
info:
  title: RateGain Ultradirect API
  version: '2026-09-23'
  description: 'GENERATED FROM DOCUMENTATION by API Evangelist on 2026-09-23: 9 operation(s) read from 40 public documentation page(s) (each operation names its page in x-source). This is not the provider''s published contract; RateGain has published no machine-readable contract that the pipeline could find. Engine: local.'
  x-evidence-tiers:
    code-example: 0
    documentation: 9
    pages-with-code: 0
    pages-read: 40
  x-generated-from: documentation
  x-provenance: generated
  x-authored-by: API Evangelist
  x-generated: '2026-09-23'
  x-generator: generate-contract-from-docs.py
  x-engine: local
  x-sources:
  - https://developer.rategain.com/our-products/channel-manager/rg-bridge-supply-push/interface-specifications-availability-and-rates-notification-service/operations/availability-notification/ota_hotelavailnotifrq/change-in-availability-status-and-restrictions.md
  - https://developer.rategain.com/our-products/smart-distribution/book-and-cancel-reservation/book-api/book-reservation.md
  - https://developer.rategain.com/our-products/smart-distribution/pre-book/pre-book-api/pre-book-request-message-format.md
  - https://developer.rategain.com/our-products/smart-distribution/book-and-cancel-reservation/book-api/cancel-reservation.md
  - https://developer.rategain.com/our-products/channel-manager/rg-bridge-reservation-retrieval-pull/operations/reservation-retrieval.md
  - https://developer.rategain.com/our-products/channel-manager/rg-bridge-reservation-retrieval-pull/operations/reservation-confirmation.md
  - https://developer.rategain.com/our-products/channel-manager/rg-bridge-reservation-retrieval-pull/operations/reservation-retrieval/ota_readrq.md
  - https://developer.rategain.com/our-products/smart-distribution/book-and-cancel-reservation/book-api/cancel-reservation-request-message-format.md
  - https://developer.rategain.com/our-products/channel-manager/rg-bridge-reservation-retrieval-pull/operations/reservation-retrieval/ota_resretrievers.md
  - https://developer.rategain.com/our-products/channel-manager/rg-bridge-reservation-retrieval-pull/operations/reservation-confirmation/ota_notifreportrq.md
  - https://developer.rategain.com/our-products/channel-manager/rg-bridge-reservation-retrieval-pull/operations/reservation-confirmation/ota_notifreportrs.md
  - https://developer.rategain.com/our-products/channel-manager/rg-bridge-reservation-retrieval-pull/operations/reservation-retrieval/xml-usage-specification.md
  - https://developer.rategain.com/our-products/channel-manager/rg-bridge-reservation-retrieval-pull/operations/reservation-retrieval/xml-usage-specification-1.md
  - https://developer.rategain.com/our-products/channel-manager/rg-bridge-reservation-retrieval-pull/operations/reservation-confirmation/xml-usage-specification.md
  - https://developer.rategain.com/our-products/channel-manager/rg-bridge-reservation-retrieval-pull/operations/reservation-confirmation/xml-usage-specification-1.md
  - https://developer.rategain.com/our-products/channel-manager/rg-bridge-supply-push/interface-specifications-reservation-notification-service/operations/reservation-notification.md
  - https://developer.rategain.com/our-products/channel-manager/rg-bridge-supply-push/interface-specifications-availability-and-rates-notification-service/operations/points-to-remember.md
  - https://developer.rategain.com/our-products/channel-manager/rg-bridge-supply-push/interface-specifications-availability-and-rates-notification-service/operations/rate-change-notification.md
  - https://developer.rategain.com/our-products/channel-manager/rg-bridge-supply-push/interface-specifications-availability-and-rates-notification-service/operations/availability-notification.md
  - https://developer.rategain.com/our-products/channel-manager/rg-bridge-supply-push/interface-specifications-reservation-notification-service/operations/reservation-notification/ota_hotelresnotifrq.md
  - https://developer.rategain.com/our-products/channel-manager/rg-bridge-supply-push/interface-specifications-reservation-notification-service/operations/reservation-notification/ota_hotelresnotifrs.md
  - https://developer.rategain.com/our-products/channel-manager/rg-bridge-supply-push/interface-specifications-reservation-notification-service/operations/reservation-notification/xml-usage-specification-1.md
  - https://developer.rategain.com/our-products/channel-manager/rg-bridge-supply-push/interface-specifications-reservation-notification-service/operations/reservation-notification/sample-reservation-messages.md
  - https://developer.rategain.com/our-products/channel-manager/rg-bridge-supply-push/interface-specifications-availability-and-rates-notification-service/operations/rate-change-notification/xml-usage-description.md
  - https://developer.rategain.com/our-products/channel-manager/rg-bridge-supply-push/interface-specifications-availability-and-rates-notification-service/operations/availability-notification/ota_hotelavailnotifrq.md
  - https://developer.rategain.com/our-products/channel-manager/rg-bridge-supply-push/interface-specifications-availability-and-rates-notification-service/operations/availability-notification/ota_hotelavailnotifrs.md
  - https://developer.rategain.com/our-products/channel-manager/rg-bridge-supply-push/interface-specifications-availability-and-rates-notification-service/operations/rate-change-notification/xml-usage-specification.md
  - https://developer.rategain.com/our-products/channel-manager/rg-bridge-supply-push/interface-specifications-availability-and-rates-notification-service/operations/availability-notification/xml-usage-specification.md
  - https://developer.rategain.com/our-products/channel-manager/rg-bridge-supply-push/interface-specifications-availability-and-rates-notification-service/operations/rate-change-notification/ota_hotelrateamountnotifrq.md
  - https://developer.rategain.com/our-products/channel-manager/rg-bridge-supply-push/interface-specifications-availability-and-rates-notification-service/operations/rate-change-notification/ota_hotelrateamountnotifrs.md
  - https://developer.rategain.com/our-products/channel-manager/rg-bridge-supply-push/interface-specifications-availability-and-rates-notification-service/operations/availability-notification/ota_hotelavailnotifrq/change-in-inventory-count.md
  - https://developer.rategain.com/ultradirect/ultradirect-transaction-sets-xml/reference-data-transactions.md
  - https://developer.rategain.com/ultradirect/ultradirect-transaction-sets-xml/reference-data-transactions/appendix.md
  - https://developer.rategain.com/ultradirect/ultradirect-transaction-sets-xml/reference-data-transactions/request-message-format..md
  - https://developer.rategain.com/ultradirect/ultradirect-transaction-sets-xml/reference-data-transactions/response-message-format..md
  - https://developer.rategain.com
  - https://developer.rategain.com/developer-portal.md
  - https://developer.rategain.com/ratehub/hotel-property-data-api.md
  - https://developer.rategain.com/our-products/smart-distribution/developer-guide.md
  - https://developer.rategain.com/our-products/smart-distribution/pre-book/pre-book-api.md
security:
- Basic_Authorization: []
- ApiKey: []
- ApiSecret: []
tags:
- name: Ultradirect
paths:
  /ultradirect/ultradirect-transaction-sets-xml/reference-data-transactions/response-message-format..md:
    get:
      operationId: get_ultradirect_ultradirect_transaction_sets_xml_reference_data_transactions_res
      tags:
      - Ultradirect
      summary: Response message format
      x-source: https://developer.rategain.com/ultradirect/ultradirect-transaction-sets-xml/reference-data-transactions/response-message-format..md
      responses:
        '200':
          description: Success (status as documented)
      x-evidence:
        kind: documentation
components:
  securitySchemes:
    Basic_Authorization:
      type: http
      scheme: basic
      x-source: https://developer.rategain.com/our-products/channel-manager/direct-connect-demand-push/interface-specifications-reservation-notification-service/technical-overview/authentication.md
    ApiKey:
      type: apiKey
      in: header
      name: ApiKey
      x-source: https://developer.rategain.com/our-products/channel-manager/direct-connect-demand-push/interface-specifications-reservation-notification-service/technical-overview/authentication.md
    ApiSecret:
      type: apiKey
      in: header
      name: ApiSecret
      x-source: https://developer.rategain.com/our-products/channel-manager/direct-connect-demand-push/interface-specifications-reservation-notification-service/technical-overview/authentication.md