# Duo

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

Duo provides cloud-based multi-factor authentication and identity security solutions, helping organizations protect access to applications and data. Their platform offers MFA, single sign‑on, device trust, passwordless login, and security intelligence, serving enterprises, SMBs, government, and MSPs worldwide. Duo’s services include a robust admin console, detailed reporting, and integrations with thousands of applications, enabling secure, seamless user experiences across on‑premises and cloud environments.

## Kin Score — 54.3 / 100 (strong)

Scored 2026-10-31 under rubric 0.25.0.

| Facet | Score |
|---|---|
| Discoverability | 57.1 |
| Contract Quality | 16.3 |
| Contract Governance | 22.0 |
| Operational Transparency | 76.3 |
| Developer Ergonomics | 52.4 |
| Access Clarity | 92.1 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 35.3 (matched via fallback).

## Agent readiness — 11.9 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | served |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | yes |
| 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 |

## APIs (1)

- **Duo API** — Duo provides cloud-based multi-factor authentication and identity security solutions.

## Security (3)

- **Duo Domain Security** — TLSv1.3 · HSTS · DMARC
- **Duo Vulnerability Disclosure** — security.txt · contact published
- **Duo Trust Center** — SOC 2, ISO 27001, PCI DSS

## Plans (1)

- **Duo Plans Pricing**

## Tags

Security, Multi-Factor Authentication, Identity Management, Cloud Services, Enterprise

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