# Plusgrade

**Canonical:** https://apis.io/providers/plusgrade/  
**Website:** https://www.plusgrade.com/  
**APIs profiled:** 1

Plusgrade provides ancillary revenue solutions for the travel industry, helping airlines, hotels, cruise lines, and rail operators increase revenue through flexible upgrade and add‑on offers. Founded in 2009 and headquartered in Montreal, the company operates globally with offices in Toronto, New York, London, Dubai, Tel Aviv, and Singapore. Plusgrade’s platform enables travelers to customize their experience while delivering measurable incremental revenue for partners, serving over 250 companies worldwide.

## Kin Score — 8.5 / 100 (minimal)

Scored 2026-11-06 under rubric 0.27.0. Trend: flat (-4.6 from 13.1).

| Facet | Score |
|---|---|
| Discoverability | 53.6 |
| Contract Quality | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 2.6 |
| Developer Ergonomics | 14.3 |
| Access Clarity | 5.3 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 7.8 (matched via fallback).

## 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 |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |
| Pagination Ratio | na |
| Operation Distinctiveness | na |
| MCP Tool Quality | na |

## Access

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

## APIs (1)

- **Plusgrade API** — Plusgrade provides ancillary revenue solutions for the travel industry via its API.

## Security (1)

- **Plusgrade Domain Security** — TLSv1.3 · HSTS · DMARC

## Tags

Company, Travel, Ancillary Revenue, Software-as-a-Service, B2B

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