Viator Deprecated API

This section lists endpoints that are no longer recommended for new or updated integrations. These endpoints remain available for existing connections only, will stop receiving new features or behavior improvements, and will eventually be retired once an end-of-life procedure is agreed with Viator (see the [v2 migration guide](#tag/v2-migration-guide) for details). For all new development, use the current, fully supported endpoints documented in the main sections of this guide. ### REST v1.0 endpoints — deprecated - [Real-time Availability API](#operation/availability) — superseded by the Availability Check API and Reserve API - [Batch Availability API](#operation/batchAvailability) — superseded by the Calendar API - [Batch Pricing API](#operation/batchPricing) — superseded by the Calendar API - [Availability Notifications (2) API](#operation/availabilityNotification2) — superseded by the Event Notifications API ### Data format: XML — deprecated XML (`application/xml`) requests and responses are deprecated. **New integrations must use JSON (`application/json`) exclusively.** XML remains available for existing v1.0 integrations only and will receive no new features or behavior improvements. All v2.0 endpoints are JSON-only. XML will eventually be retired once an end-of-life procedure is agreed with Viator. ### SOAP interface (WSDL/XSD) — deprecated The legacy SOAP interface definitions are deprecated. SOAP is no longer supported for new or updated integrations; use the REST endpoints documented in the main sections of this guide instead. The WSDL and XSD files are kept for historical reference only: - [Reseller-to-supplier WSDL](resources/api_specs/wsdl/tgds-reseller-to-supplier.wsdl) - [Supplier-to-reseller WSDL](resources/api_specs/wsdl/tgds-supplier-to-reseller.wsdl) - [API XSD](resources/api_specs/xsd/api.xsd)

Operations 4

POST /availability Real-time Availability #
POST /batch-availability Batch Availability #
POST /batch-pricing Batch Pricing #
POST /availabilitynotification2 Availability Notification 2 #

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OpenAPI Specification

viator-deprecated-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: Viator Reservation System Deprecated API
  x-logo:
    url: resources/img/sapi/Viator_Logo_RGB_Green.png
    altText: Viator
    href: https://www.viator.com
  contact:
    name: API Integrations Support
    email: supplierAPI@viator.com
  version: ''
  description: '/* ----------------------------------------------------------------------

    Stripe-inspired look & feel for the Viator Reservation System API docs.'
servers:
- url: https://your-reservation-system.example.com
  description: Placeholder for the reservation system's own server — replace with your actual domain. Viator calls this host for all operations except event and special offer notifications, which are sent by the reservation system to Viator instead (see below).
tags:


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# Full source: https://raw.githubusercontent.com/api-evangelist/viator/refs/heads/main/openapi/viator-deprecated-api-openapi.yml