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Viator Viator APIs API

This section describes the Viator built API(s) available for reservation system consumption.**Note**: For these APIs, the request is sent **to** Viator and the response is received **from** Viator.

Viator Viator APIs API is one of 17 APIs that Viator publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Viator APIs. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

This API exposes 2 operations across 2 paths, and defines 9 schemas. It is described by OpenAPI 3.2.0.

Requests are made against a single base URL, https://your-reservation-system.example.com.

2 operations 2 paths 9 schemas 2 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
Base URL
https://api.viator.com/partner
Authentication
API Key
Resource Areas
1

Authentication & Security 1

Viator Viator APIs API declares 1 security scheme for authenticating requests. An API key is passed in the header as X-Api-Key (ApiKeyHeader).

Paths & Operations 2

Across 2 paths, the API surfaces 2 operations — 2 POST. Each is listed below with its method, path, parameters, and response codes.

Viator APIs 2

This section describes the Viator built API(s) available for reservation system consumption. Note: For these APIs, the request is sent to Viator and the response is received from…

POST
/v2/notification/events
Event Notification
eventNotification body → 204207400401408415422429
POST
/v2/notification/special-offers
Special Offers Notification
specialOffersNotification body → 204400401408415422429500

Schemas 9

The contract defines 9 schemas that model the data the API accepts and returns. The most detailed are ContentErrorResponse (2 properties), SpecialOffersNotificationRequest (2 properties), EventNotificationUnprocessableContentResponse (2 properties), InternalErrorResponse (2 properties). Each schema is shown below with its type and property counts.

EventNotificationResponse
object
Response object for multi-status Event Notification
1 property 1 required
SpecialOffersNotificationRequest
object
Request object for the Special Offers Notification Operation.
2 properties 2 required
ContentErrorResponse
object
Error response object
2 properties 1 required
InternalErrorResponse
object
Error response object
2 properties 1 required
SupplierId
integer
Viator’s unique Supplier identifier.
BaseRequest
object
Base request object.
1 property 1 required
EventNotificationUnprocessableContentResponse
object
Response object for Unprocessable Content Event Notification
2 properties 1 required
EventNotificationRequest
ProductOptionId
string
Unique reservation system product option identifier. This identifier is sourced from the [Tour List API](operation/tourList) response.

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

viator-viator-apis-api-openapi.yml Raw ↑

Other APIs Viator publishes across the network.

Viator Attraction services API
Viator Attractions API
Viator Auxiliary API
Viator Availability API
Viator Booking services API
Viator Bookings API
Viator Deprecated API
Viator Deprecated services API
Viator General services API
Viator Payments API
Viator Product services API
Viator Products API
Where this information came from

This is an independent, third-party profile of Viator Viator APIs API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.

Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.

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