Viator

aid: viator
url: https://raw.githubusercontent.com/api-evangelist/viator/refs/heads/main/apis.yml
name: Viator
kind: company
description: 'Viator is a Tripadvisor company and the largest online marketplace for tours, activities and travel experiences,
  headquartered in the United States and listing more than 300,000 bookable products across roughly 2,500 destinations. It
  sits on the demand side of the travel distribution chain as an aggregator and reseller of third-party operator inventory,
  and on the supply side as the channel counterparty that tour operators'' reservation systems connect into. Its API posture
  is unusually open for travel: the full Viator Partner API v2 OpenAPI, the legacy v1 affiliate and merchant specifications,
  the Viator Reservation System (supplier) API and four Postman collections are all published without a login at docs.viator.com,
  and Basic Access affiliate keys are issued self-serve at no cost on account creation. Everything beyond that is gated -
  Full Access, Full Access plus Booking, Merchant and supplier connectivity all require qualification by Viator and, for transactional
  integrations, passing a two-part front-end and back-end certification. No open travel standard is referenced anywhere in
  the specifications: the contract is entirely Viator-proprietary, product identifiers are Viator-internal, and partners are
  contractually required to prevent search engines indexing Viator reviews and unique content.'
image: https://partnerresources.viator.com/wp-content/uploads/2023/08/V-logo_Green.png
tags:
- Travel
- United States
- Tours and Activities
- Experiences
- OTA
- Booking
- Distribution
- Marketplace
- Affiliate
- Hospitality
created: '2026-07-28'
modified: '2026-07-28'
specificationVersion: '0.19'
apis:
- aid: viator:viator-partner-products-api
  name: Viator Partner Products API
  description: Product content and catalogue ingestion for the Viator Partner API v2 - full product detail, bulk retrieval,
    incremental modified-since ingestion, the product tag taxonomy, booking questions, product search and product-to-product
    recommendations.
  humanURL: https://docs.viator.com/partner-api/technical/
  baseURL: https://api.viator.com/partner
  tags:
  - Products
  - Catalog
  - Content
  - Search
  properties:
  - type: OpenAPI
    url: openapi/viator-partner-api-v2-openapi.json
  - type: Documentation
    url: https://docs.viator.com/partner-api/technical/
  - type: APIReference
    url: https://docs.viator.com/partner-api/technical/#tag/Products
  - type: PostmanCollection
    url: collections/Viator-Merchant-API-v2.postman_collection.json
- aid: viator:viator-partner-availability-api
  name: Viator Partner Availability API
  description: Real-time availability and price checking plus availability-schedule retrieval for a single product, in bulk,
    or incrementally by modification date, so partners can hold a local mirror of bookable capacity and pricing.
  humanURL: https://docs.viator.com/partner-api/technical/
  baseURL: https://api.viator.com/partner
  tags:
  - Availability
  - Pricing
  - Schedules
  properties:
  - type: OpenAPI
    url: openapi/viator-partner-api-v2-openapi.json
  - type: Documentation
    url: https://docs.viator.com/partner-api/technical/
  - type: APIReference
    url: https://docs.viator.com/partner-api/technical/#tag/Availability
- aid: viator:viator-partner-bookings-api
  name: Viator Partner Bookings API
  description: Transactional booking surface - cart and single-item hold and book, booking status, cancel reasons, cancellation
    quote and cancellation, amendment check, quote and amend, and the modified-since booking feed with an acknowledgement
    cursor for pulling a partner's own booking records.
  humanURL: https://docs.viator.com/partner-api/technical/
  baseURL: https://api.viator.com/partner
  tags:
  - Bookings
  - Orders
  - Cancellation
  - Amendments
  properties:
  - type: OpenAPI
    url: openapi/viator-partner-api-v2-openapi.json
  - type: Documentation
    url: https://docs.viator.com/partner-api/technical/
  - type: APIReference
    url: https://docs.viator.com/partner-api/technical/#tag/Bookings
  - type: PostmanCollection
    url: collections/Viator-Affiliate-Booking-API-v2.postman_collection.json
- aid: viator:viator-partner-payments-api
  name: Viator Partner Payments API
  description: Checkout-session payment account endpoint used by Full Access plus Booking affiliate partners to pass traveller
    payment details to Viator in a PCI-compliant way when Viator remains the merchant of record.
  humanURL: https://docs.viator.com/partner-api/technical/
  baseURL: https://api.viator.com/partner
  tags:
  - Payments
  - Checkout
  properties:
  - type: OpenAPI
    url: openapi/viator-partner-api-v2-openapi.json
  - type: APIReference
    url: https://docs.viator.com/partner-api/technical/#tag/Payments
- aid: viator:viator-partner-attractions-api
  name: Viator Partner Attractions API
  description: Attraction search and attraction detail endpoints, letting partners build attraction landing pages and tie
    Viator's bookable products back to the places they visit.
  humanURL: https://docs.viator.com/partner-api/technical/
  baseURL: https://api.viator.com/partner
  tags:
  - Attractions
  - Places
  properties:
  - type: OpenAPI
    url: openapi/viator-partner-api-v2-openapi.json
  - type: APIReference
    url: https://docs.viator.com/partner-api/technical/#tag/Attractions
- aid: viator:viator-partner-auxiliary-api
  name: Viator Partner Auxiliary API
  description: Supporting reference and content services for the Partner API v2 - free-text search across products, destinations
    and attractions, bulk location resolution, exchange rates, product reviews, supplier product-code lookup and the destination
    taxonomy.
  humanURL: https://docs.viator.com/partner-api/technical/
  baseURL: https://api.viator.com/partner
  tags:
  - Search
  - Locations
  - Reviews
  - Exchange Rates
  - Destinations
  properties:
  - type: OpenAPI
    url: openapi/viator-partner-api-v2-openapi.json
  - type: APIReference
    url: https://docs.viator.com/partner-api/technical/#tag/Auxiliary
- aid: viator:viator-reservation-system-api
  name: Viator Reservation System API
  description: The supplier-side connectivity contract, formerly the Viator Supplier API. This specification is inverted -
    it defines the endpoints a tour operator's reservation system or booking software must itself implement and expose for
    Viator to call, covering tour list mapping, real-time and batch availability, batch pricing, reserve, booking, amendment,
    cancellation and redemption, alongside the Viator-hosted event and special-offer notification endpoints. It carries published
    uptime, latency and error-rate SLAs and Viator-operated circuit breakers.
  humanURL: https://docs.viator.com/supplier-api/technical/
  tags:
  - Supplier
  - Connectivity
  - Channel Manager
  - Inventory
  - Reservation System
  properties:
  - type: OpenAPI
    url: openapi/viator-reservation-system-api-openapi.json
  - type: Documentation
    url: https://docs.viator.com/supplier-api/technical/
  - type: Documentation
    url: https://docs.viator.com/supplier-api/technical/api-overview/
  - type: Documentation
    url: https://docs.viator.com/supplier-api/technical/connectivity-overview/index.html
  - type: Documentation
    url: https://docs.viator.com/supplier-api/technical/sapi-manual-latest/
- aid: viator:viator-merchant-api-v1
  name: Viator Merchant API v1
  description: The legacy v1 merchant-partner specification still published by Viator, exposing taxonomy, product, photo,
    review, availability, pricing-matrix, booking, voucher and cancellation services under viatorapi.viator.com/service. Superseded
    by the Partner API v2 but retained in the public documentation.
  humanURL: https://docs.viator.com/partner-api/merchant/technical/
  baseURL: https://viatorapi.viator.com/service
  tags:
  - Merchant
  - Legacy
  - Bookings
  - Products
  properties:
  - type: OpenAPI
    url: openapi/viator-merchant-api-v1-openapi.json
  - type: Documentation
    url: https://docs.viator.com/partner-api/merchant/technical/
- aid: viator:viator-affiliate-api-v1
  name: Viator Affiliate API v1
  description: The legacy v1 affiliate-partner specification, a non-transactional subset covering utility services, destination
    and category taxonomy, product and attraction search, product detail, reviews and photos under viatorapi.viator.com/service.
    Superseded by the Partner API v2.
  humanURL: https://docs.viator.com/partner-api/affiliate/technical/
  baseURL: https://viatorapi.viator.com/service
  tags:
  - Affiliate
  - Legacy
  - Products
  - Attractions
  properties:
  - type: OpenAPI
    url: openapi/viator-affiliate-api-v1-openapi.json
  - type: Documentation
    url: https://docs.viator.com/partner-api/affiliate/technical/
common:
- type: AgenticAccess
  url: agentic-access/viator-agentic-access.yml
- type: DomainSecurity
  url: security/viator-domain-security.yml
- type: Authentication
  url: authentication/viator-authentication.yml
- type: Website
  url: https://www.viator.com/
- type: Documentation
  url: https://docs.viator.com/partner-api/technical/
- type: Portal
  url: https://partnerresources.viator.com/
- type: Support
  url: https://partnerhelp.viator.com/en
- type: Blog
  url: https://partnerresources.viator.com/blog/
- type: LinkedIn
  url: https://www.linkedin.com/company/viator
- type: PostmanCollection
  url: collections/Viator-Basic-Access-Affiliate-API-v2.postman_collection.json
- type: PostmanCollection
  url: collections/Viator-Affiliate-API-v2.postman_collection.json
- type: PostmanCollection
  url: collections/Viator-Affiliate-Booking-API-v2.postman_collection.json
- type: PostmanCollection
  url: collections/Viator-Merchant-API-v2.postman_collection.json
- type: APIReference
  url: https://docs.viator.com/partner-api/technical/
- type: DeveloperPortal
  url: https://partnerresources.viator.com/
- type: GettingStarted
  url: https://partnerresources.viator.com/travel-commerce/affiliate/basic-access/golden-path/
- type: Pricing
  url: https://partnerresources.viator.com/travel-commerce/levels-of-access/
- type: SignUp
  url: https://partners.viator.com/signup?mcid=66150&program=affiliate
- type: Login
  url: https://partners.viator.com/login
- type: TermsOfService
  url: https://www.viator.com/support/termsAndConditions
- type: PrivacyPolicy
  url: https://www.viator.com/support/privacyPolicy
- type: Conventions
  url: conventions/viator-conventions.yml
- type: Idempotency
  url: conventions/viator-conventions.yml
- type: ErrorCatalog
  url: errors/viator-problem-types.yml
- type: RateLimits
  url: rate-limits/viator-rate-limits.yml
- type: Lifecycle
  url: lifecycle/viator-lifecycle.yml
- type: Deprecation
  url: https://docs.viator.com/partner-api/technical/#section/Localization/API-versioning-strategy
- type: ChangeLog
  url: changelog/viator-changelog.yml
- type: Conformance
  url: conformance/viator-conformance.yml
- type: DataModel
  url: data-model/viator-data-model.yml
- type: Sandbox
  url: sandbox/viator-sandbox.yml
- type: Packages
  url: packages/viator-packages.yml
- type: Components
  url: components/viator-components.yml
- type: Webhooks
  url: asyncapi/viator-events.yml
- type: MCPServer
  url: mcp/viator-mcp.yml
- type: ToolCrosswalk
  url: mcp/viator-tool-crosswalk.yml
- type: AgentSkill
  url: skills/_index.yml
- type: LLMsTxt
  url: llms/viator-llms.txt
- type: Overlay
  url: overlays/viator-partner-api-v2-overlay.yaml
- type: Overlay
  url: overlays/viator-reservation-system-api-overlay.yaml
- type: Overlay
  url: overlays/viator-merchant-api-v1-overlay.yaml
- type: Overlay
  url: overlays/viator-affiliate-api-v1-overlay.yaml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com