WhatsApp Login by OTPless Alternatives

Simplifying SMS OTP-less authentication with the power of WhatsApp.

free

Auth0 is a program for people to get authentication and authorization services for their own business use.

Open Source

VoIPstudio is an award-winning VoIP system that offers businesses of all sizes a scalable communication solution. It’s inexpensive, easy-to-use, offers a full suite of PBX features, and is fully integrated for CRM.

Try for free paid Free Trial $4.99 / Monthly (User)

Karix is a messaging and communication provider which helps in connectivity. Karix solutions provides messaging platform to marketing, voting of services.

Brings voice and messaging to your web and mobile applications.

Open Source

Identity and Access Management

Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.

Master Cloud Services with Identity Ramp Adaptive Access Integration Fabric

WhatsAuth: Frictionless OTP for Next-Gen Security

Clockwork is an Easy Text Message API. An SMS API for Developers. Build powerful apps and include SMS. Signup is free, Try it now.

Enterprise-grade identity management for all your apps, users & devices

Tinder is how people meet. It's like real life, but better.

Targeted Push Notifications for Mobile Apps

Answer a question once a day for the chance to win £100/$100