FusionAuth
Multi-factor authentication (MFA) software
Biometric authentication software
Customer identity and access management (CIAM) software
Identity and access management (IAM) software
Passwordless authentication software
Password policy enforcement software
Risk-based authentication software
Single sign-on (SSO) solutions
User provisioning and governance tools
Identity management software
- Features
- Ease of use
- Ease of management
- Quality of support
- Affordability
- Market presence
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$37 per month
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Free version
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What is FusionAuth
FusionAuth is a customer identity and access management (CIAM) platform used to authenticate and manage end-user identities for consumer-facing and B2B applications. It provides login, registration, SSO, MFA, and user management features via APIs, SDKs, and an administrative UI. FusionAuth is commonly deployed by software teams that want to run identity services in their own infrastructure (self-hosted) or use a managed cloud option, with support for common protocols such as OAuth 2.0 and OpenID Connect.
Flexible deployment options
FusionAuth supports both self-hosted and managed cloud deployments, which can fit organizations with data residency, network isolation, or operational control requirements. Self-hosting can reduce dependency on a single SaaS runtime and allows customization of infrastructure and scaling. This is a practical differentiator for teams that cannot use a fully hosted identity service.
Developer-oriented integration model
The product exposes identity functions through APIs and supports standard protocols such as OAuth 2.0 and OpenID Connect for application integration. It includes SDKs and tooling intended for engineering teams implementing authentication, authorization, and user lifecycle flows. This approach can reduce custom identity code compared with building these capabilities from scratch.
Broad CIAM feature coverage
FusionAuth combines core CIAM capabilities such as registration, login, MFA, SSO, and user management in one platform. It also supports common administrative needs like tenant/application separation and configurable authentication flows. For many application-centric use cases, this can consolidate multiple identity components into a single system.
Not focused on biometric proofing
While FusionAuth can participate in passwordless and MFA flows, it is not primarily an identity proofing or biometric verification platform. Organizations that require high-assurance biometric matching, document verification, or government-grade identity proofing often need additional specialized services. This can add integration work and vendor complexity for those scenarios.
Governance depth may vary
FusionAuth is CIAM-first and may not provide the same depth of enterprise identity governance features as tools built primarily for workforce provisioning, access reviews, and complex governance workflows. Organizations with heavy compliance requirements around certification campaigns and fine-grained governance processes may need complementary governance tooling. Fit depends on whether the primary need is customer login versus enterprise governance.
Operational responsibility when self-hosted
Self-hosting shifts responsibilities such as upgrades, monitoring, backups, high availability design, and incident response to the customer. Teams without mature platform operations may find the operational overhead significant compared with fully managed services. This tradeoff is important for organizations choosing self-managed deployments for control or compliance reasons.
Plan & Pricing
Plans (Feature tiers)
| Plan | Price | Key features & notes |
|---|---|---|
| Community (Self-hosted) | Free | Core authentication features; unlimited monthly active users; community support (forums, Slack, GitHub); self-host FusionAuth on your infrastructure. |
| Starter | $125 per month (billed annually) — "Starting at" | Adds premium features including advanced MFA, application theming, breached password detection, machine-to-machine authentication; stated "For up to 240,000 monthly active users". |
| Essentials | $850 per month (billed annually) — "Starting at" | Advanced connectivity, MFA & security features; custom OAuth scopes; email support (24–48 hour response during business hours); initial architecture/engineering reviews; stated "For up to 240,000 monthly active users". |
| Enterprise | $3,300 per month (billed annually) — "Starting at" | Everything in Essentials plus advanced threat detection, Kubernetes technical support, tenant manager, 24/7 support (email & phone), private Slack channel (with contract), solution architect guidance, fine-grained authorization, advanced governance/contract requirements; stated "For up to 240,000 monthly active users". |
Cloud Hosting (FusionAuth Cloud)
| Hosting Tier | Price | Key features & notes |
|---|---|---|
| Basic (Cloud) | $37 per month (billed annually) — "Starting at" | Private instance, single server, no backups, 1 custom domain; intended for dev/test / pre-production. |
| Business (Cloud) | $225 per month (billed annually) — "Starting at" | Dedicated server, private instance, single server, 3 nightly backups, availability zones, 1–5 custom domains. |
| High Availability (Cloud) | $500 per month (billed annually) — "Starting at" | Dedicated redundant configuration, monitoring & maintenance, backups configurable to minutes, redundant servers, up to 99.99% SLA (Enterprise plan), deploy in any AWS region, 20 custom domains (Enterprise supports unlimited). |
| Self-Hosted (download) | Free | "Self-Hosted" tier: download and host on your infrastructure for free; upgrade any time to paid plan tiers for premium features/support. |
Seller details
FusionAuth, Inc.
Denver, Colorado, United States
2018
Private
https://fusionauth.io/
https://x.com/fusionauth
https://www.linkedin.com/company/fusionauth/
