# Carnival Corporation

**Canonical:** https://apis.io/providers/carnival-corporation/  
**Website:** https://www.carnivalcorp.com/  
**APIs profiled:** 8

Carnival Corporation & plc is the world's largest cruise company operating eight cruise line brands (Carnival Cruise Line, Princess Cruises, Holland America Line, Seabourn, Cunard, P&O Cruises, Costa Cruises, AIDA Cruises), plus the White Pass and Yukon Route. Carnival operates the OceanMedallion wearable IoT technology and mobile experience platform, the Carnival HUB app, the Princess MedallionClass app, and a portfolio of guest-facing digital experiences across its fleet of over 90 ships.

## Kin Score — 7.0 / 100 (minimal)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 7.0).

| Facet | Score |
|---|---|
| Discoverability | 64.8 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 2.4 |
| Commercial Clarity | 0.0 |
| Access Clarity | 0.0 |

## Agent readiness — 0.0 (human-only)

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

## Access

Unknown — onboarding: unknown, pricing: unknown, trial: no (confidence: low).

## APIs (8)

- **OceanMedallion** — OceanMedallion is Carnival Corporation's wearable IoT device and experience platform deployed across Princess Cruises and being adopted across other Carnival brands. The medalli...
- **Princess MedallionClass App** — The Princess MedallionClass app is the companion mobile experience for OceanMedallion. It manages pre-cruise planning, online check-in, shore-excursion booking, dining reservati...
- **Carnival HUB App** — The Carnival HUB app is the official Carnival Cruise Line companion app for managing pre-cruise check-in, daily schedules, dining reservations, shore excursions, onboard messagi...
- **Holland America Navigator App** — The Holland America Navigator app is the companion mobile app for Holland America Line guests offering itinerary management, dining reservations, shore-excursion booking, accoun...
- **Carnival VIFP Club** — Carnival VIFP (Very Important Fun Person) Club is Carnival Cruise Line's loyalty program with tiered status based on cruise days. Members receive priority booking, onboard perks...
- **Princess Captain's Circle** — Princess Captain's Circle is Princess Cruises' loyalty program offering tiered membership benefits including priority embarkation, onboard perks, exclusive events, and members-o...
- **Holland America Mariner Society** — Mariner Society is Holland America Line's loyalty program offering tiered benefits including stateroom upgrades, onboard credit, complimentary internet, and priority services fo...
- **Carnival Brand Booking Portals** — Each Carnival Corporation brand operates its own online booking portal for cruise search, itinerary selection, stateroom selection, payment, and reservation management. Travel-a...

## Security (1)

- **Carnival Corporation Domain Security** — TLSv1.3 · HSTS · DMARC

## Use cases (5)

- **Cruise Vacation Planning** — Search, book, and plan multi-segment cruise vacations across global itineraries.
- **Onboard Experience Personalization** — Use wearable and mobile technology to personalize service throughout the voyage.
- **Family Cruise Coordination** — Mobile apps let family groups coordinate dining, excursions, and onboard activities.
- **Repeat-Guest Loyalty Engagement** — Encourage repeat bookings through tiered loyalty programs.
- **Travel Agent Bookings** — Travel-agency channel partnerships using agent-facing booking tools.

## Tags

Cruise Lines, Travel, Hospitality, Mobile Apps, Loyalty, Wearables

---

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