generated: '2026-07-28'
method: searched
source: >-
  npm registry search, PyPI JSON API, RubyGems search API, Packagist search API, NuGet search
  service, crates.io search API, plus the Viator Partner API v2 and Reservation System API
  specifications and partnerresources.viator.com
summary: >-
  Viator publishes no first-party client libraries in any public package registry. The Partner API
  v2 documentation ships Postman collections and a curl example as its only client tooling, and the
  supplier-side Reservation System API ships a Dockerised contract-testing image instead of an SDK.
  Every registry hit below is third-party or unrelated, and none of it is endorsed by Viator.
packages: []
official_sdk_count: 0
registries_searched:
- registry: npm
  query: viator
  result: no first-party package
- registry: pypi
  queries: [viator, viator-api, viator-sdk, pyviator, viatorapi]
  result: 404 on every candidate name
- registry: rubygems
  query: viator
  result: one unrelated gem (an error-handling library), not Viator
- registry: packagist
  query: viator
  result: no matches for Viator
- registry: nuget
  query: viator
  result: no matches
- registry: crates.io
  query: viator
  result: one unrelated crate (a key-value store), not Viator
third_party:
- language: javascript
  registry: npm
  name: '@chrischall/viator-mcp'
  url: https://www.npmjs.com/package/@chrischall/viator-mcp
  repository: https://github.com/chrischall/viator-mcp
  description: Community MCP server wrapping the Viator Partner API.
  official: false
- language: javascript
  registry: npm
  name: viator-api-client
  url: https://www.npmjs.com/package/viator-api-client
  description: >-
    Community OpenAPI-generator output; the repository field is still the unedited
    GIT_USER_ID/GIT_REPO_ID placeholder.
  official: false
first_party_tooling:
- name: Viator Partner API v2 Postman collections
  kind: postman-collection
  official: true
  count: 4
  url: https://docs.viator.com/partner-api/technical/
  files:
  - collections/Viator-Basic-Access-Affiliate-API-v2.postman_collection.json
  - collections/Viator-Affiliate-API-v2.postman_collection.json
  - collections/Viator-Affiliate-Booking-API-v2.postman_collection.json
  - collections/Viator-Merchant-API-v2.postman_collection.json
- name: Viator Contract Testing Tool (cica)
  kind: docker-image
  official: true
  registry: Amazon ECR Public
  image: public.ecr.aws/viator/cica:latest
  install: docker pull public.ecr.aws/viator/cica:latest
  description: >-
    Self-service local web application that runs Viator's own contract-test suite against a
    reservation system's v2 endpoints. Supplier-side only; v1 endpoints are not supported.
  source: Viator Reservation System API specification, Contract testing section