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ALL-IN-ONE

Passwordless,

Sendcat Auth
TRUSTED BY 5000+ COMPANIES WORLD WIDE
Convert more customers
Fast, simple and secure

Make it easier for your customers to sign in with

just one-tap with email, phone number or their

98% success rate

Get best in the industry success rate.

Our Smart Auth automatically optimizes

for the highest conversion.

World-wide coverage

Authenticate customers in any country

on any channel. Works out-of-box

Best in class security

Complete protection with end-to-end

encryption and MFA with biometric and

device binding.

Pay as you grow

Simple usage‑based pricing means you

pay per sign in and no monthly

commitment.

Built by developers, for developers
Integrate with your app
in five minutes
Our state of the art one line of SDK can be installed
over your favourite tech with our documentation.
All-in-one identity platform
Everything you need for

Authentication & User Management

Verify, manage and protect users on a single platform
UI Customization

Fully customisable sign in pages. Build and deploy in seconds. Use

beautiful pre-built UI or design the way you want.

User & Session Management

Manage sessions, block/delete

users or manage access.

Attack prevention

Prevent brute-force, man in the

middle and social engineering attacks.

Every channel, Every method

SMS, WhatsApp, Email, Biometric,

Network Auth and 50+ Social Sign in

Multi-factor Authentication

Enable 2-FA even if users don’t

have an authenticator app.

Analytics

Get detailed insights and analytics about all of your users from a

single view dashboard.

Every channel, Every method
Build user journey the way
you want with SmartAuth
Get 98% success rate by combining multiple authentication
channels and fallbacks

Verifying your

mobile number

We’re verifying 9081006369
Verifying....
Silent Network Auth

Invisible authentication: Bypass OTPs with

direct telecom verification.

+ 100 more
WhatsApp Auth

Leverage WhatsApp's extensive user base for

simple and secure authentication to boost

success rate by 30%

Click on the below button to

Approve your request.

01:24
Approve

Let your customers sign in with the app they

trust with 50+ social channels.

Biometric Passkey 

Your fingerprint is your password. Biometric

Passkey protects users against password

breaches and attacks.

Magic Link and Numeric Code

One-tap authentication via secure magic link

or one time code via SMS, WhatsApp or

Customer stories
Startups and Enterprises love Sendcat
We’ve helped 5000+ companies authenticate over 30 million+ users worldwide.
Super App

We reduced OTP costs by over 40%

and boosted conversion rates by 12%

using OTPLESS's WhatsApp Login.

The transition from SMS OTPs to their

One Tap magic link was smooth for

users. Highly recommended ”

Sopian Gunawan
GM Product Design & Strategy
Sports

We spent around Rs 1.00.000/month

on OTPs. OTPLESS has proven to be a

great cost-effective solution & a

significant improvement over previous

SMS-based verification system.

Kuntal Shah
CEO - Crickheroes
E-commerce

Simple yet powerful way of

Up next: D2C brands can simply

enable Sendcat checkout plugin on

Dukaan, which will improve their

conversions, and reduce the RTO

percentage significantly.”

Suumit Shah
Founder & CEO - Dukaan
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