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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_forwardconst 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.
content_copy
// 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"]
}
});
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
Pythonsettings_ethernet
Node.jsPricing Plans
Simple and transparent pricing for teams of all sizes.
Free
$0/mo
Up to 5k MAU
Starter
$29/mo
Up to 25k MAU
Growth
Popular$99/mo
Up to 75k MAU
Scale
$249/mo
Up to 250k MAU