Open Connectivity for Tours, Activities, and Attractions

OCTO (Open Connectivity for Tours, Activities, and Attractions) is an open standard API specification for the in-destination experiences sector of the travel industry. The standard defines agreed-upon schemas, endpoints, and capabilities commonly needed when connecting platforms, resellers, OTAs, and other technologies in tours, activities, and attractions. OCTO is open source.

Open Connectivity for Tours, Activities, and Attractions publishes 4 APIs on the APIs.io network, including Availability API, Bookings API, Products API, and 1 more. Tagged areas include Activities, Attractions, Open Standard, Tours, and Travel.

Open Connectivity for Tours, Activities, and Attractions’ developer surface includes authentication, documentation, getting-started guide, support, and 5 more developer resources.

📡 Source on GitHub

32.2/100 thin ▬ flat Agent 33/100 agent ready Full breakdown ↓
scored 2026-08-25 · rubric v0.14.0

AccessFreemiumSelf serve⚡ Free to try

4 APIs

Activities Attractions Open Standard Tours Travel

Kin Score

Kin Score How this is scored →
scored 2026-08-25 · rubric v0.14.0

Composite quality — 32.2/100 · thin

Contract Quality 12.9 / 25

Developer Ergonomics 7.6 / 20

Access Clarity 3.2 / 20

Operational Transparency 1.4 / 13

Contract Governance 0.0 / 12

Discoverability 7.2 / 10

Agent readiness — 33/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 6 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 9 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 7 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Surface 0 / 5

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/octo: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 4

Individual APIs this provider publishes, each with its own machine-readable definition.

Rate Limits 1

Documented rate limits and quota policies.

Octo Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Get Started 1

Portal, sign-up, and the first successful call

GettingStarted

GettingStarted

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

LlmsText

LlmsText

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 3

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

Authentication

Authentication

Operate 1

Status, limits, changes, and where to get help

Support

Support

Source (apis.yml)

aid: octo
name: Open Connectivity for Tours, Activities, and Attractions
description: OCTO (Open Connectivity for Tours, Activities, and Attractions) is an open standard API specification for the
  in-destination experiences sector of the travel industry. The standard defines agreed-upon schemas, endpoints, and capabilities
  commonly needed when connecting platforms, resellers, OTAs, and other technologies in tours, activities, and attractions.
  OCTO is open source.
type: Index
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/octo.png
tags:
- Activities
- Attractions
- Open Standard
- Tours
- Travel
url: https://raw.githubusercontent.com/api-evangelist/octo/refs/heads/main/apis.yml
created: '2024-06-07'
modified: '2026-05-19'
specificationVersion: '0.23'
apis:
- aid: octo:octo-availability-api
  name: Open Connectivity for Tours, Activities, and Attractions Availability API
  description: The Availability API from Open Connectivity for Tours, Activities, and Attractions — 2 operation(s) for availability.
  humanURL: https://docs.octo.travel/
  tags:
  - Availability
  properties:
  - type: OpenAPI
    url: openapi/octo-availability-api-openapi.yml
  - type: Documentation
    url: https://docs.octo.travel/
- aid: octo:octo-bookings-api
  name: Open Connectivity for Tours, Activities, and Attractions Bookings API
  description: The Bookings API from Open Connectivity for Tours, Activities, and Attractions — 5 operation(s) for bookings.
  humanURL: https://docs.octo.travel/
  tags:
  - Bookings
  properties:
  - type: OpenAPI
    url: openapi/octo-bookings-api-openapi.yml
  - type: Documentation
    url: https://docs.octo.travel/
- aid: octo:octo-products-api
  name: Open Connectivity for Tours, Activities, and Attractions Products API
  description: The Products API from Open Connectivity for Tours, Activities, and Attractions — 2 operation(s) for products.
  humanURL: https://docs.octo.travel/
  tags:
  - Product
  tags_raw:
  - Products
  properties:
  - type: OpenAPI
    url: openapi/octo-products-api-openapi.yml
  - type: Documentation
    url: https://docs.octo.travel/
- aid: octo:octo-supplier-api
  name: Open Connectivity for Tours, Activities, and Attractions Supplier API
  description: The Supplier API from Open Connectivity for Tours, Activities, and Attractions — 1 operation(s) for supplier.
  humanURL: https://docs.octo.travel/
  tags:
  - Supplier
  properties:
  - type: OpenAPI
    url: openapi/octo-supplier-api-openapi.yml
  - type: Documentation
    url: https://docs.octo.travel/
common:
- type: AgenticAccess
  url: agentic-access/octo-agentic-access.yml
- type: DomainSecurity
  url: security/octo-domain-security.yml
- type: Authentication
  url: authentication/octo-authentication.yml
- type: GitHubOrganization
  url: https://github.com/OctoConsulting
- type: Documentation
  url: https://docs.octo.travel/
- type: GettingStarted
  url: https://docs.octo.travel/getting-started/
- type: Authentication
  url: https://docs.octo.travel/getting-started/authentication
- type: Support
  url: https://docs.octo.travel/getting-started/development-support
- type: LlmsText
  url: https://docs.octo.travel/llms.txt
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

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Open Connectivity for Tours, Activities, and Attractions

Kin Score

APIs 4

Open Connectivity for Tours, Activities, and Attractions Availability API

Open Connectivity for Tours, Activities, and Attractions Bookings API

Open Connectivity for Tours, Activities, and Attractions Products API

Open Connectivity for Tours, Activities, and Attractions Supplier API

Open Collections 5

API Collection

Open Connectivity for Tours, Activities, and Attractions OCTO API Specification Availability API

Open Connectivity for Tours, Activities, and Attractions OCTO API Specification Availability Bookings API

Open Connectivity for Tours, Activities, and Attractions OCTO API Specification Availability Products API

Open Connectivity for Tours, Activities, and Attractions OCTO API Specification Availability Supplier API

Pricing Plans 1

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Rate Limits 1

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Resources