Introducing the next era of Duende IdentityServer.

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The Power to Build

Development teams now have the power to build identity solutions their way, without compromise.

Open Source

Three open source libraries that handle the hard parts of OAuth, OpenID Connect, and token management in .NET.

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Community Edition

Community Edition is a free license for Duende IdentityServer. Specifically designed to support the growth of qualifying startups and non-profits.

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IdentityServer

IdentityServer is a flexible OpenID Connect and OAuth 2.0 framework for ASP.NET Core. Centralize and secure authentication for APIs, SPAs, mobile apps, and microservices while running identity infrastructure inside your own environment.

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Capabilities

Duende delivers modular add-ons by design. Add what you need when you’re ready.

Scale-based

User Management

A user store, built for what’s next. A first-party, .NET SDK for user management, profiles, authentication, and lifecycle management tightly integrated with Duende IdentityServer. Passwords, MFA, and passkeys are built in

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$2,000/year

Automatic Key Management

Eliminate one of the most common and most preventable causes of identity infrastructure outages. Automated lifecycle management for signing and validation keys: generation, rotation, propagation, and retirement. Native to IdentityServer. No external tooling. No manual processes.

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$4,000/year

SAML

Native SAML 2.0 in both directions. Provide SAML SSO to downstream partners and accept SAML assertions from upstream enterprise IdPs, all from the IdentityServer your team already controls.

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$1,500/year

Financial-Grade Security & Conformance

Validate your existing Duende IdentityServer configuration against FAPI 2.0 and OAuth 2.1 requirements and produce an audit-supporting conformance report with remediation guidance.

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$7,500/year

Multi-Issuer

Enables a single Duende IdentityServer deployment to serve multiple issuer URLs. Tokens carry the iss claim that matches the URL used to obtain them, in full compliance with OpenID Connect specification.

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Scale-based

Redistribution License

Include IdentityServer as an integrated component of a product that you redistribute to your customers or third parties.

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Frequently Asked Questions

  • Review our licensing packages on our pricing page. We offer a variety of licensing options designed for your architectural and business requirements. Not sure which license is right for you, or require a custom package? Reach out to our team to learn more.

    If you are a current IdentityServer4 user, book a free 30-minute IS4 upgrade assessment with our team.

  • For-profit organizations with less than $1M USD projected annual gross revenue and access to less than $3M USD in capital facilities, or non-profit organizations and registered charities with a published annual budget under $1M USD.

  • No. Evaluation, development, test environments, and personal projects do not require a license. A startup warning message appears in non-licensed mode but does not constrain the application in any way.

  • Community support through GitHub Discussions and the documentation. Commercial support is available on paid tiers.

  • Full pricing details are available on our pricing page, where you can compare plans and find the option that best fits your organization's needs.

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Start Building With Duende

Download Duende IdentityServer or explore the documentation.

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