Starwood Hotels and Resorts

Starwood Hotels & Resorts Worldwide was a global hotel and leisure company headquartered in Stamford, Connecticut. Prior to its acquisition by Marriott International in September 2016, Starwood operated and franchised hotels, resorts, and residences under iconic brands including Sheraton, Westin, W Hotels, St. Regis, Le Méridien, Four Points, Tribute Portfolio, Design Hotels, Element, and Aloft. The company also operated the Starwood Preferred Guest (SPG) loyalty program, which was later merged into Marriott Bonvoy. At the time of acquisition, Starwood managed over 1,300 properties in approximately 100 countries. Starwood exposed APIs for hotel search, property data, and loyalty program integration that were consumed by travel platforms and partners.

Starwood Hotels and Resorts publishes 3 APIs on the APIs.io network: Availability API, Hotels API, and Properties API.

The Starwood Hotels and Resorts catalog on APIs.io includes 1 JSON-LD context and 2 Spectral governance rulesets.

Starwood Hotels and Resorts’ developer surface includes engineering blog and 15 more developer resources.

🌐 Visit website 📡 Source on GitHub

26.1/100 emerging ▬ flat Agent 27/100 agent aware Full breakdown ↓
scored 2026-08-25 · rubric v0.14.0

AccessEnterprise

5 APIs

Kin Score

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

Composite quality — 26.1/100 · emerging

Contract Quality 14.1 / 25

Developer Ergonomics 1.9 / 20

Access Clarity 0.0 / 20

Operational Transparency 0.7 / 13

Contract Governance 3.5 / 12

Discoverability 5.9 / 10

Agent readiness — 27/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 6 / 6

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 9 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 0 / 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 4 / 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/starwood-hotels-and-resorts: 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 5

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

Rate Limits 1

Documented rate limits and quota policies.

Starwood Hotels And Resorts Rate Limits

1 limits

RATE LIMITS

FinOps 1

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

JSON Schema 1

Standalone JSON Schema definitions for this provider's data models.

Examples 1

Example request and response payloads for these APIs.

AGENTIC

Press 5

Recent news and press coverage referencing this provider.

Get Started 1

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

Documentation 2

Reference material describing how the API behaves

OpenAPI

OpenAPI

JSONSchema

JSONSchema

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Design & Contract 4

Pagination, idempotency, versioning, errors, and events

JSONStructure

JSONLD

Vocabulary

SpectralRules

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 4

The organization behind the API

Website

Website

LinkedIn

Facebook

Facebook

Blog

Blog

Other 1

Properties that don't map to a standard resource type

Acquisition

Acquisition

Source (apis.yml)

aid: starwood-hotels-and-resorts
specificationVersion: '0.23'
accessModel:
  pricing: enterprise
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Enterprise
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/starwood-hotels-and-resorts.png
url: https://raw.githubusercontent.com/api-evangelist/starwood-hotels-and-resorts/refs/heads/main/apis.yml
modified: '2026-05-19'
name: Starwood Hotels and Resorts
description: Starwood Hotels & Resorts Worldwide was a global hotel and leisure company headquartered in Stamford, Connecticut.
  Prior to its acquisition by Marriott International in September 2016, Starwood operated and franchised hotels, resorts,
  and residences under iconic brands including Sheraton, Westin, W Hotels, St. Regis, Le Méridien, Four Points, Tribute Portfolio,
  Design Hotels, Element, and Aloft. The company also operated the Starwood Preferred Guest (SPG) loyalty program, which was
  later merged into Marriott Bonvoy. At the time of acquisition, Starwood managed over 1,300 properties in approximately 100
  countries. Starwood exposed APIs for hotel search, property data, and loyalty program integration that were consumed by
  travel platforms and partners.
apis:
- aid: starwood-hotels-and-resorts:spg-loyalty-api
  name: SPG Loyalty API
  description: The Starwood Preferred Guest (SPG) Loyalty API provided programmatic access to the SPG loyalty program, enabling
    partners to query member point balances, redeem Starpoints, look up member status and tier information, and book award
    nights. The program offered Preferred, Gold, and Platinum status tiers with corresponding benefits. Following the Marriott
    acquisition, SPG was eventually merged into the Marriott Bonvoy loyalty program in 2019.
  humanURL: https://www.starwoodhotels.com/preferredguest/
  baseURL: https://www.starwoodhotels.com/api/spg
  tags:
  - Loyalty
  - Rewards
  - Hotels
  - Travel
  - Hospitality
  properties:
  - type: Documentation
    url: https://www.starwoodhotels.com/preferredguest/
- aid: starwood-hotels-and-resorts:property-data-api
  name: Property Data API
  description: The Starwood Property Data API provided detailed information about individual hotel properties including room
    types, amenities, dining options, meeting and event spaces, photos, geo-coordinates, and contact information. Partners
    used this API to populate travel booking sites and corporate travel management systems with accurate Starwood property
    content.
  humanURL: https://www.starwoodhotels.com/
  baseURL: https://www.starwoodhotels.com/api/properties
  tags:
  - Hotels
  - Properties
  - Travel
  - Content
  - Hospitality
  properties:
  - type: Documentation
    url: https://www.starwoodhotels.com/
- aid: starwood-hotels-and-resorts:starwood-hotels-and-resorts-availability-api
  name: Starwood Hotels and Resorts Availability API
  description: Rate and availability operations
  humanURL: https://www.starwoodhotels.com/
  baseURL: https://www.starwoodhotels.com/api
  tags:
  - Availability
  properties:
  - type: OpenAPI
    url: openapi/starwood-hotels-and-resorts-availability-api-openapi.yml
  - type: Documentation
    url: https://github.com/StayExpert/starwood
- aid: starwood-hotels-and-resorts:starwood-hotels-and-resorts-hotels-api
  name: Starwood Hotels and Resorts Hotels API
  description: Hotel search and property operations
  humanURL: https://www.starwoodhotels.com/
  baseURL: https://www.starwoodhotels.com/api
  tags:
  - Hotels
  properties:
  - type: OpenAPI
    url: openapi/starwood-hotels-and-resorts-hotels-api-openapi.yml
  - type: Documentation
    url: https://github.com/StayExpert/starwood
- aid: starwood-hotels-and-resorts:starwood-hotels-and-resorts-properties-api
  name: Starwood Hotels and Resorts Properties API
  description: Property detail operations
  humanURL: https://www.starwoodhotels.com/
  baseURL: https://www.starwoodhotels.com/api
  tags:
  - Properties
  properties:
  - type: OpenAPI
    url: openapi/starwood-hotels-and-resorts-properties-api-openapi.yml
  - type: Documentation
    url: https://github.com/StayExpert/starwood
common:
- type: AgenticAccess
  url: agentic-access/starwood-hotels-and-resorts-agentic-access.yml
- type: DomainSecurity
  url: security/starwood-hotels-and-resorts-domain-security.yml
- type: Website
  url: https://www.starwoodhotels.com
- type: DeveloperPortal
  url: https://github.com/StayExpert/starwood
- type: LinkedIn
  url: https://www.linkedin.com/company/starwoodhotels
- type: Facebook
  url: https://www.facebook.com/starwood
- type: Blog
  url: https://www.starwoodhotels.com/corporate/
- type: Acquisition
  url: https://marriott.gcs-web.com/news-releases/news-release-details/marriott-international-completes-acquisition-starwood-hotels
- type: TermsOfService
  url: https://www.starwoodhotels.com/corporate/terms.html
- type: PrivacyPolicy
  url: https://www.starwoodhotels.com/corporate/privacy.html
- type: OpenAPI
  url: openapi/_original/starwood-hotel-search-openapi.yml
- type: JSONSchema
  url: json-schema/starwood-hotel-search-schema.json
- type: JSONStructure
  url: json-structure/starwood-hotel-structure.json
- type: JSONLD
  url: json-ld/starwood-hotels-and-resorts-context.jsonld
- type: Vocabulary
  url: vocabulary/starwood-hotels-and-resorts-vocabulary.yml
- type: SpectralRules
  url: rules/starwood-hotels-and-resorts-rules.yml

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Starwood Hotels and Resorts

APIs 5

Open Collections 5

Pricing Plans 1

Rate Limits 1

FinOps 1

Semantic Vocabularies 1

Spectral Rules 2

JSON Schema 1

JSON Structure 1

Examples 1

Security Posture 1

Agentic Access 1