# FusionAuth

**Canonical:** https://apis.io/providers/fusionauth/  
**APIs profiled:** 37

FusionAuth is a developer-focused customer identity and access management (CIAM) platform that delivers authentication, authorization, registration, multi-factor authentication, single sign-on, OAuth2 and OpenID Connect, and user management capabilities through a comprehensive REST API and self-hostable identity service.

## Kin Score — 42.5 / 100 (developing)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 42.5).

| Facet | Score |
|---|---|
| Discoverability | 81.5 |
| Contract Quality | 50.2 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 26.3 |
| Developer Ergonomics | 40.5 |
| Commercial Clarity | 51.3 |
| Access Clarity | 51.3 |

## Agent readiness — 40.9 (agent-ready)

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

## Access

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

## APIs (37)

- **FusionAuth Api Key API** — The Api Key API from FusionAuth — 2 operation(s) for api key.
- **FusionAuth Application API** — The Application API from FusionAuth — 8 operation(s) for application.
- **FusionAuth Connector API** — The Connector API from FusionAuth — 2 operation(s) for connector.
- **FusionAuth Consent API** — The Consent API from FusionAuth — 3 operation(s) for consent.
- **FusionAuth Email API** — The Email API from FusionAuth — 5 operation(s) for email.
- **FusionAuth Entity API** — The Entity API from FusionAuth — 10 operation(s) for entity.
- **FusionAuth Form API** — The Form API from FusionAuth — 4 operation(s) for form.
- **FusionAuth Group API** — The Group API from FusionAuth — 5 operation(s) for group.
- **FusionAuth Health API** — The Health API from FusionAuth — 1 operation(s) for health.
- **FusionAuth Identity API** — The Identity API from FusionAuth — 4 operation(s) for identity.
- **FusionAuth Identity Provider API** — The Identity Provider API from FusionAuth — 9 operation(s) for identity provider.
- **FusionAuth Integration API** — The Integration API from FusionAuth — 1 operation(s) for integration.
- **FusionAuth Ip Acl API** — The Ip Acl API from FusionAuth — 4 operation(s) for ip acl.
- **FusionAuth Jwt API** — The Jwt API from FusionAuth — 7 operation(s) for jwt.
- **FusionAuth Key API** — The Key API from FusionAuth — 7 operation(s) for key.
- **FusionAuth Lambda API** — The Lambda API from FusionAuth — 3 operation(s) for lambda.
- **FusionAuth Login API** — The Login API from FusionAuth — 2 operation(s) for login.
- **FusionAuth Logout API** — The Logout API from FusionAuth — 1 operation(s) for logout.
- **FusionAuth Message API** — The Message API from FusionAuth — 3 operation(s) for message.
- **FusionAuth Messenger API** — The Messenger API from FusionAuth — 2 operation(s) for messenger.
- **FusionAuth Oauth2 API** — The Oauth2 API from FusionAuth — 7 operation(s) for oauth2.
- **FusionAuth Passwordless API** — The Passwordless API from FusionAuth — 3 operation(s) for passwordless.
- **FusionAuth Reactor API** — The Reactor API from FusionAuth — 2 operation(s) for reactor.
- **FusionAuth Report API** — The Report API from FusionAuth — 5 operation(s) for report.
- **FusionAuth Status API** — The Status API from FusionAuth — 1 operation(s) for status.
- **FusionAuth System API** — The System API from FusionAuth — 11 operation(s) for system.
- **FusionAuth System Configuration API** — The System Configuration API from FusionAuth — 1 operation(s) for system configuration.
- **FusionAuth Tenant API** — The Tenant API from FusionAuth — 5 operation(s) for tenant.
- **FusionAuth Tenant Manager API** — The Tenant Manager API from FusionAuth — 2 operation(s) for tenant manager.
- **FusionAuth Theme API** — The Theme API from FusionAuth — 3 operation(s) for theme.
- **FusionAuth Two Factor API** — The Two Factor API from FusionAuth — 7 operation(s) for two factor.
- **FusionAuth User Action API** — The User Action API from FusionAuth — 2 operation(s) for user action.
- **FusionAuth User Action Reason API** — The User Action Reason API from FusionAuth — 2 operation(s) for user action reason.
- **FusionAuth User API** — The User API from FusionAuth — 29 operation(s) for user.
- **FusionAuth Webauthn API** — The Webauthn API from FusionAuth — 8 operation(s) for webauthn.
- **FusionAuth Webhook API** — The Webhook API from FusionAuth — 3 operation(s) for webhook.
- **FusionAuth .well Known API** — The .well Known API from FusionAuth — 2 operation(s) for .well known.

## MCP servers (1)

- **MCP Server**

## Agentic access (1)

- **Fusionauth Agentic Access** — 322 operations · 239 acting · 9 human-in-the-loop

## Security (4)

- **Fusionauth Authentication** — apiKey/http · 2 schemes
- **Fusionauth Domain Security** — TLSv1.3 · HSTS · DMARC
- **Fusionauth Vulnerability Disclosure** — security.txt · contact published
- **Fusionauth Trust Center** — SOC 2, ISO 27001, HIPAA, FedRAMP, GDPR

## Plans (1)

- **Fusionauth Plans Pricing**

## Tags

Authentication, Authorization, Identity, CIAM, OpenID Connect, Single Sign-On, Multi-Factor Authentication

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