# FusionAuth

FusionAuth is a customer identity and access management (CIAM) platform that provides authentication, authorization and user management for applications. It supports login, registration, SSO, MFA, passwordless and passkeys, social login, machine-to-machine auth and fine-grained authorization, with every capability exposed via API. It can be self-hosted, run on-premises, hybrid or air-gapped, or hosted by FusionAuth on dedicated single-tenant infrastructure. A free Community edition is available for download.

Page: https://slateindex.ai/brand/fusionauth · data of 2026-11-03

## Facts

- Founded: 2009
- Headquarters: Broomfield, CO, United States
- Employees: 51–200
- Company type: Private, venture-backed
- Latest funding: Growth (led by Updata Partners)
- Deployment: Self-hosted, on-premises, hybrid, air-gapped, or FusionAuth Cloud (dedicated hosting)
- Best for: Developer and engineering teams that need customer authentication they can self-host or run on dedicated infrastructure.
- Compliance: SOC 2 Type II, ISO 27001, HIPAA BAA available, GDPR

## Products

- FusionAuth Community: Free, self-hosted edition with core authentication features.
- FusionAuth Cloud: Hosted FusionAuth on dedicated infrastructure with Starter, Essentials and Enterprise plans.
- Fine-grained Authorization: RBAC, ABAC and ReBAC authorization, expanded through the Permify acquisition.
- AI & Agent Identity: Client ID Metadata Documents and OAuth Token Exchange for authenticating and limiting AI agents.

## Rankings

| Category | Rank | Visibility | Mentions |
|---|---|---|---|
| Identity & Access Management | 29 of 37 | 1.0 | 1 |

## By engine

| Engine | Visibility | Mention rate |
|---|---|---|
| chatgpt | 1.1 | 4.5% |
| google_ai_mode | 2.0 | 3.7% |
| perplexity | 0.0 | 0.0% |

## Definitions

- Visibility (0–100): how often and how high AI answers name the brand, weighted by position.
- Mention rate: share of collected AI answers that name the brand.
- Share of voice: the brand's mentions as a share of all brand mentions in the category.
- Citation authority: share of answers naming the brand that cite the brand's own site.

Cite as: SlateIndex, “FusionAuth AI visibility profile”, https://slateindex.ai/brand/fusionauth, data of 2026-11-03. Licence: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/).