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    Vendor

    FusionAuth

    FusionAuth helps developers meet authentication feature and compliance requirements so they can focus on building their application.

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    FusionAuth provides API-driven IAM for customer-facing applications, with SSO, MFA, passwordless login, and role-based authorization built around OpenID Connect, OAuth 2.0, and SAML. Its key differentiator is deployment control: buyers can run it self-hosted, on-premises, hybrid, or air-gapped. It fits teams that need embedded identity infrastructure for B2C, B2B, or partner access.

    • Engineering-led organizations and B2B SaaS companies that require full architectural control, self-hosting capabilities, and predictable pricing for customer identity and access management (CIAM).
    • Multi-tenant B2B SaaS authentication
    • Self-hosted/on-premise identity infrastructure
    • Custom customer-facing registration and SSO flows
    • Migrating off legacy identity providers (e.g., Auth0)
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    Profile last updated on 6 September 2026 by Picari.