# Starwood Hotels and Resorts

**Canonical:** https://apis.io/providers/starwood-hotels-and-resorts/  
**Website:** https://www.starwoodhotels.com  
**APIs profiled:** 5

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.

## Kin Score — 26.1 / 100 (emerging)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 26.1).

| Facet | Score |
|---|---|
| Discoverability | 59.3 |
| Contract Quality | 56.5 |
| Governance | 28.8 |
| Contract Governance | 28.8 |
| Operational Transparency | 5.3 |
| Developer Ergonomics | 9.5 |
| Commercial Clarity | 0.0 |
| Access Clarity | 0.0 |

## Agent readiness — 26.7 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | na |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | na |
| Error Semantics | verified |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | na |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## Access

Enterprise — onboarding: unknown, pricing: enterprise, trial: no (confidence: medium).

## APIs (5)

- **SPG Loyalty API** — 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...
- **Property Data API** — The Starwood Property Data API provided detailed information about individual hotel properties including room types, amenities, dining options, meeting and event spaces, photos,...
- **Starwood Hotels and Resorts Availability API** — Rate and availability operations
- **Starwood Hotels and Resorts Hotels API** — Hotel search and property operations
- **Starwood Hotels and Resorts Properties API** — Property detail operations

## Agentic access (1)

- **Starwood Hotels And Resorts Agentic Access** — 3 operations

## Security (1)

- **Starwood Hotels And Resorts Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **Starwood Hotels And Resorts Plans Pricing**

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/starwood-hotels-and-resorts/). Scores are computed from the provider's own public artifacts under a published rubric.