Shared SSO for partner-site networks

One registration. One login.
Every site in the network.

Add OneTimeLogin to your site in a day. Your visitors get instant access to every partner site we've onboarded — no password reset, no second account.

Add OneTimeLogin to my site Book a 20-min onboarding call

Network launching with our founding partners — apply.

Business Features for Modern Authentication

The essentials website owners need to launch secure SSO and manage access with confidence

Enterprise Security

Strong encryption controls, MFA, and biometric-ready authentication help protect user accounts.

Lightning Fast

Sub-second authentication across all integrated sites. No more waiting or repeated logins.

Universal Access

One account can work across integrated partner sites. Register once, access trusted destinations.

Mobile Optimized

Native mobile experience with offline mode, biometric login, and PWA support for iOS and Android.

Advanced Analytics

Real-time dashboards, AI-powered insights, and comprehensive reporting for administrators.

Easy Integration

RESTful API, webhooks, and SDKs for popular frameworks. Integrate in minutes, not days.

Three steps to a shared user base

From integration to activation tracking, you're live in a day.

Connect

Drop our snippet on your site. You're live in 1 day — no platform migration required.

Invite users

Bulk-import or open registration — bring your audience in via CSV or API.

Track activations

See which partner sites your users unlock. Real-time analytics in your admin dashboard.

No More Password Fatigue

Remember one strong password instead of dozens of weak ones.

Reduced Security Risks

Centralized security means fewer attack vectors and better protection.

Time Savings

Save hours every month by eliminating repetitive login processes.

GDPR Compliant

Full compliance with international data protection regulations.

Simple, capped pricing

Start free. Scale to a flat ceiling. No surprise bills when traffic spikes.

Starter

For one site, getting started

$0 /mo

Start free

1 site
500 new registrations / month
Email support

Growth

For scaling sites

$99 /mo

or $999 setup + $0.05 / new reg, capped at $499/mo

Start integration

3 sites, white-label branding
Webhook + REST API
Usage cap = predictable bills

Business

Flat-rate, predictable

$499 /mo flat

Start integration

10 sites, SAML + OIDC
Audit log export, NET-30
Priority Slack support

See full pricing → /pricing

Built for trust

Security posture, integration proof, and pricing — all visible before you commit.

Security posture

SOC 2 Type II audit underway. Status page and DPA available on request. Read our security posture →

Integration proof

Drop-in snippet, REST + webhook docs, sandbox API keys, and a safe test mode before you go live. View developer docs →

Commercial clarity

Setup fees, per-registration billing, the $499/mo cap, and enterprise terms — published, not buried. See full pricing →