# Booking Holdings

**Canonical:** https://apis.io/providers/booking-holdings/  
**Website:** https://www.bookingholdings.com  
**APIs profiled:** 9

Booking Holdings is the world's leading provider of online travel and related services, operating a portfolio of brands including Booking.com, Priceline, Agoda, KAYAK, OpenTable, Rentalcars.com, Rocketmiles, FareHarbor, HotelsCombined, Cheapflights, and Momondo. The company connects travelers with accommodations, flights, rental cars, restaurant reservations, and travel experiences worldwide.

## Kin Score — 27.3 / 100 (thin)

Scored 2026-08-21 under rubric 0.12.0. Trend: flat (+0.0 from 27.3).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 21.5 |
| Governance | 28.8 |
| Contract Governance | 28.8 |
| Operational Transparency | 36.8 |
| Developer Ergonomics | 2.4 |
| Commercial Clarity | 28.9 |
| Access Clarity | 28.9 |

## Agent readiness — 40.2 (agent-ready)

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

## Access

Self-serve signup — onboarding: self-serve, pricing: unknown, trial: no (confidence: high).

## APIs (9)

- **Booking Holdings Accommodations API** — This API collection is specific for the stay part of the connected trip. </br></br>Use these endpoints to search for stays such as hotels and apartments, check availability, ret...
- **Booking Holdings Attachments API** — Provides endpoints for handling message attachments. </br></br>Use these endpoints to upload and download images shared within conversations.
- **Booking Holdings Cars API** — This API collection is specific to the car rentals part of the connected trip.</br></br> Use these endpoints to search for car rentals, check car details and look for depots and...
- **Booking Holdings Common/languages API** — Provides a list of supported language codes for use in API requests.
- **Booking Holdings Common/locations API** — Provides identifiers for a wide range of geographical locations, including airports, countries, cities, and regions. </br></br>Use these identifiers to construct your requests. ...
- **Booking Holdings Common/payments API** — Provides generic payment-related endpoints, including supported currencies and payment types.
- **Booking Holdings Conversations API** — Provides endpoints to retrieve and manage messaging conversations. </br></br>Use these endpoints to list conversations, fetch conversation details, and track updates.
- **Booking Holdings Messages API** — Provides endpoints for two-way post-booking communication between guests and properties. </br></br>Use these endpoints to send and retrieve messages, exchange images, and check ...
- **Booking Holdings Orders API** — Enables management of booking orders within the Demand API. </br></br>Use these endpoints to preview and create new orders, check order details, cancel or modify existing orders...

## Agentic access (1)

- **Booking Holdings Agentic Access** — 39 operations · 39 acting

## Security (2)

- **Booking Holdings Authentication** — http · 1 scheme
- **Booking Holdings Domain Security** — TLSv1.3 · DMARC

## Plans (1)

- **Booking Holdings Plans Pricing**

## Tags

Accommodations, Airlines, Car Rentals, Hospitality, Hotels, Restaurant, Travel

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