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Authentication
for all workloads.

Threshold1 provides the security tools and identity infrastructure to build, scale, and secure a faster, more personalized web.

Enterprise-grade
Auth for everyone.

99.99% Uptime
1.2B+ Requests/mo
15ms Latency
Next.js
SvelteKit
React

Passkey-first

Implement passwordless flows in minutes. Users love the security and simplicity of biometric auth.

fingerprint
smartphonevpn_key

WebAuthn Security

Hardware-level security for every user. We handle the complex cryptography so you don't have to. Secure against phishing and credential stuffing.

Read Documentation arrow_forward
const auth = new Threshold1({
appId: "th_01HJ8X...",
strategy: "webauthn"
});

Flexible Fallbacks

Simple integration of fallback methods including Magic Links and OTP.

mail
sms

Global Network

Stateless tokens validated at the edge. Blazing fast authentication anywhere in the world.

Fast Integration

Setup or integrate threshold1 in under 10 minutes.

timer
10m

Deploy once, auth everywhere.

When you push code to production, we make security instant.

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// Install SDK
npm install @threshold1/auth
// Initialize
import { Threshold1 } from "@threshold1/auth";

const auth = new Threshold1({
apiKey: "th_live_xxxxxxxxx",
auth: {
methods: ["passkey", "magic", "otp"]
}
});
// Start login
await auth.login("user@email.com");
Next.js
Svelte
Vue
Astro
terminal
Python
settings_ethernet
Node.js

Pricing Plans

Simple and transparent pricing for teams of all sizes.

Starter

$29/mo

Up to 25k MAU

Growth

Popular
$99/mo

Up to 75k MAU

Scale

$249/mo

Up to 250k MAU