# Marriott International Availability API

**Canonical:** https://apis.io/apis/marriott-international/marriott-international-availability-api/  
**Provider:** Marriott International — https://apis.io/providers/marriott-international/  
**Base URL:** https://devportalprod.marriott.com  
**Documentation:** https://devportalprod.marriott.com/

Marriott International Availability API is one of 3 APIs that [Marriott International](https://apis.io/providers/marriott-international/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Availability. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

Check room availability and rates.

## Machine-readable artifacts (3)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/marriott-international/refs/heads/main/openapi/marriott-international-availability-api-openapi.yml
- **Documentation** — https://devportalprod.marriott.com/apis
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/marriott-international/refs/heads/main/apis.yml

## Other Marriott International APIs (2)

- [Marriott International Properties API](https://apis.io/apis/marriott-international/marriott-international-properties-api/)
- [Marriott International Reservations API](https://apis.io/apis/marriott-international/marriott-international-reservations-api/)

## Tags

Availability

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/marriott-international/marriott-international-availability-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/marriott-international/.