Add “Sign in with NIA” to any app and manage every identity, session and permission from one secure place — a standards-based OAuth 2.0 and OpenID Connect provider that is entirely your own.
Works with any standards-based library
SSO
Single sign-on
RS256
Signed tokens
PKCE S256
Enforced
OIDC
Discovery ready
MFA
TOTP + backup codes
RFC 6749
Compliant
Everything built in
Not a wrapper around someone else's service — NIA Auth owns the entire stack, from token issuance to audit logging.
Standards-based authorization server with PKCE, JWKS key rotation, token introspection, and a full discovery endpoint.
Multi-tenant membership with invite flows, role-based access control, and org-scoped OAuth clients.
TOTP-based two-factor auth with one-time backup codes, per-session enforcement, and secure key storage.
Full session lifecycle, device tracking, granular audit logging, and an account activity timeline.
RS256 access tokens, opaque refresh tokens with rotation and theft detection, revocation, and introspection.
A published Auth.js / NextAuth provider — add “Sign in with NIA” in a single line of code, no boilerplate.
Integrate in minutes
For developers
Our published Auth.js provider drops in with a single line of config. Point it at your NIA issuer and you're done — OIDC discovery, PKCE, token refresh and single logout are all handled for you.
Create an account and register your first OAuth client in minutes.