Passwordless authentication, built for WhatsApp.

Auth made simple.
Powered by WhatsApp.

Zaplink lets users sign in through WhatsApp — fast, secure, and password-free. Stop losing users to outdated login flows.

page.tsx

import { SignIn } from "@zaplink/next"

export default function Page() {
  return <SignIn />
}

Integrate with your favorite tools

Zaplink works seamlessly with modern frameworks and services.

Next.js

React

Vue

JavaScript

React Router

Expo

Express

Developer-first API

Mobile & Web ready

Global infrastructure

Wide range of features for all kinds of apps.

WhatsApp OTP Login

Verify users directly through WhatsApp.

Passwordless & Secure

No credentials stored, no phishing risk.

Multi-user Teams

Manage organization-level authentication.

AI Fraud Detection

Detect unusual login patterns.

Global Scale

Meta API + Twilio infrastructure.

Open Source SDK

Built for developers, hosted on NPM.

Trusted by developers worldwide.

Made with love for the developer community

👩‍💻

Sarah Chen

Lead Developer at TechFlow

"Zaplink reduced our auth implementation time from weeks to hours. The WhatsApp integration is seamless."

👨‍💼

Marcus Rodriguez

CTO at StartupLab

"Our users love the passwordless experience. No more forgotten passwords, no more support tickets."

👨‍💻

Alex Kim

Full-stack Engineer

"The API is incredibly developer-friendly. Got it working in production in under 30 minutes."

👩‍🎯

Emma Thompson

Product Manager at GrowthCo

"Our conversion rates improved by 40% after switching to WhatsApp authentication."

50K+

Developers using Zaplink

1M+

Authentications processed

99.9%

Uptime guarantee

Ready to revolutionize your auth?

Start building with Zaplink today.

The fastest way to add WhatsApp authentication to your app.

Free tier available

No credit card required

5-minute setup

Auth made simple.Powered by WhatsApp.