Secure Authentication with OTP, MFA & Passwordless Login
Authyo secures user logins using passwordless authentication, multi-factor authentication, and OTP verification.
If SMS OTP fails, we automatically switch to WhatsApp, Email, or Voice Call.
* No credit card required · OTP fallback enabled by default
All-in-One Authentication Platform
Authyo provides OTP authentication, passwordless login, and multi-factor authentication in a single, easy-to-integrate platform. Replace outdated passwords with secure, modern verification.
Stronger Security with MFA & OTP
Secure user accounts with multi-factor authentication (MFA), OTP verification, and passwordless login. Reduce fraud, prevent account takeovers, and stay compliant with modern security standards.
Better User Experience
Remove password frustration and reduce login failures. Let users sign in quickly using OTP via SMS, WhatsApp, Email, or Voice Call — no passwords required.
Built to Scale Globally
Authyo supports global OTP delivery with automatic fallback, ensuring high success rates even in regions where SMS delivery fails. Scale your authentication without worry.
Trusted by Businesses Worldwide
From startups to global enterprises, businesses trust Authyo for reliable authentication and OTP delivery. Built to scale securely across regions, industries, and user volumes.
Secure logins with OTP, MFA, and passwordless authentication
Seamless onboarding without passwords
High-delivery OTP with smart fallback (SMS, WhatsApp, Email, Voice)
Faster User Onboarding
Reduce signup friction with passwordless authentication and OTP login. Let users verify instantly without creating or remembering passwords.
Drive Higher Customer Conversions
Quick, Secure Authentication That Converts Users Faster
Higher Conversion Rates
Remove login drop-offs caused by failed OTPs. Authyo’s smart fallback delivers OTP via WhatsApp, Email, or Voice Call when SMS fails.
Scalable & Reliable Infrastructure
Built to handle high traffic and global users with reliable OTP delivery and enterprise-grade security across regions like India and Southeast Asia.
Enable users to sign in instantly using OTP, passwordless login, or multi-factor authentication via SMS, Email, WhatsApp, or Voice Call — without passwords or friction.
Developer-First Support
Get fast onboarding, clear documentation, and expert support to implement OTP, MFA, and passwordless login without complexity.
Customer Stories
Trusted by Growing Businesses for Secure Authentication
See how companies improve login security, OTP delivery, and user experience using Authyo’s passwordless and multi-factor authentication.
Authyo provides reliable OTP authentication with excellent technical support. The API is easy to integrate, and OTP delivery works smoothly across SMS, Email, and WhatsApp.
DistributorTally Software
Authyo helped us improve login security using OTP and multi-factor authentication. OTP fallback options reduced login failures, especially for users in India.
Marketing ManagerUber cabs, India
Authyo delivers enterprise-grade OTP authentication with high delivery accuracy. The dashboard is user-friendly, and authentication reliability is excellent.
Product HeadTata Teleservices Pvt. Ltd
Created by developers, tailored for developers
Secure Your Users In Just 3 Steps
Integrate Authyo in Minutes
Use our SDKs or APIs to connect Authyo with your app or website.
Choose Your Verification Method
Enable SMS, Email, WhatsApp, or other options tailored to your audience.
Authenticate Seamlessly
Let your users enjoy secure, hassle-free login and verification experiences.
Comprehensive platform for all your identity needs
Authentication Built for Security, Reliability, and Scale
Authyo helps businesses implement passwordless login, multi-factor authentication, and reliable OTP verification with global delivery and smart fallback options.
Passwordless Authentication
Enable secure login without passwords using email or phone number verification. Reduce login friction, prevent credential theft, and improve user experience across devices.
Multi-Factor Authentication (MFA)
Add an extra layer of security with OTP-based multi-factor authentication using SMS, Email, WhatsApp, or Voice Call for stronger account protection.
Customizable Workflows
Design authentication flows that match your business needs — from login and signup to transaction verification and account recovery.
Global SMS & WhatsApp OTP Delivery
Ensure OTP delivery worldwide with automatic fallback to WhatsApp, Email, or Voice Call when SMS fails — ideal for high-OTP regions like India and Southeast Asia.
Developer-Friendly Integration
Integrate Authyo quickly using simple APIs and SDKs. Clear documentation and fast setup help developers go live in minutes.
Real-Time Analytics
Track OTP delivery, login success rates, and authentication performance in real time to optimize security and user experience.
Comprehensive platform for all your identity needs
Multiple Authentication Methods with Smart OTP Fallback
Authyo supports passwordless login, multi-factor authentication, and OTP verification using SMS, Email, WhatsApp, Social Login, and Voice Call — with automatic fallback to ensure delivery.
Authyo automatically switches between SMS, WhatsApp, Email, and Voice Call to ensure OTP delivery — even when one channel fails.
Customer Stories
Trusted Authentication Platform for Secure User Verification
Explore how businesses are transforming their authentication processes with Authyo
GDPR Compliant Authentication & Data Protection
ISO 27001 Certified Information Security Management
ISO 9001 Certified Quality Management Systems
Free to Start
Future-Ready
Faqs
OTP (One-Time Password) authentication is a secure login method where users receive a temporary code via SMS, WhatsApp, email, or voice to verify their identity.
Authyo offers multi-channel OTP delivery with an intelligent fallback system. If SMS fails, OTP is automatically delivered via WhatsApp, email, or voice—ensuring high delivery rates and better user experience.
Yes. Authyo supports passwordless authentication using OTP, magic links, and numeric codes, allowing users to log in without remembering passwords.
OTP uses a single verification step, while MFA (Multi-Factor Authentication) adds extra security by combining OTP with additional factors like device verification or email authentication.
Yes. Authyo supports WhatsApp OTP along with SMS, email, and voice, making it ideal for Indian and global users where WhatsApp has higher engagement.
Absolutely. Authyo is built for Indian use cases with high SMS reliability, WhatsApp support, DLT compliance, and global scalability.
You can integrate Authyo within minutes using our APIs, SDKs, or plugins. Developer-friendly documentation ensures quick setup.
Yes. You can start for free with no upfront cost and no credit card required.
Start Building Secure Authentication Experiences Today
Looking for secure OTP, MFA, or passwordless authentication for your app or website?
Whether you need SMS, WhatsApp, email, or voice OTP with a smart fallback system, our team will help you get started quickly.
Free to Start
No upfront costs. No credit card required.
Future-Ready
Built to scale with high-volume OTP, MFA, and global delivery.