
App-Based Verification
Deliver authentication requests directly through mobile apps for a smooth and secure user experience.
Learn moreSecure customer access with OTT and push authentication solutions that deliver verification messages directly through mobile applications. SMSala helps businesses improve login security with reliable API-based authentication.

190+ countries
Deliver secure OTT and push authentication experiences across global networks with reliable APIs and enterprise-grade infrastructure.
99.95% uptime
Built on SMSala's secure authentication infrastructure designed for reliable user verification across global markets.
1 Authentication API
Connect OTT and push authentication workflows with simple, secure APIs built for developers.
Key Benefits
Improve account security and customer experience with fast OTT and push authentication designed for modern digital services.

Deliver authentication requests directly through mobile apps for a smooth and secure user experience.
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Protect customer accounts with secure authentication methods that reduce unauthorized access.
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Enable faster login and verification flows without delays caused by traditional methods.
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Create consistent verification experiences across your digital platforms and customer journeys.
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Support customers worldwide with scalable authentication infrastructure across multiple markets.
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Integrate authentication workflows easily with developer-friendly APIs and documentation.
Learn moreOTT and push authentication delivers secure verification requests through digital channels, helping businesses authenticate users quickly while reducing login friction.

When a user starts authentication, SMSala sends a secure verification request through OTT or push channels connected to your application.

The user receives the authentication prompt inside the application and confirms their identity through a secure verification flow.

Once verification is completed, your application receives the authentication response through API integration and grants secure access.
Integrate SMS, WhatsApp, OTP, Voice, RCS and Email into your applications using simple REST APIs, official SDKs and production-ready documentation.
Security, privacy and compliance are part of every message this API sends — certified infrastructure your integration can rely on.





Use Cases
From secure logins to account approvals — deliver seamless authentication experiences through OTT and push channels for every customer interaction.
Secure. Fast. Simple.
Secure customer logins with push-based authentication that reduces password dependency and improves account security.

Everything you need to know about OTT Push Authentication, integration and secure user verification.
OTT and Push Authentication allows businesses to verify users through mobile applications and digital channels instead of relying only on traditional authentication methods.
SMSala sends secure authentication requests through OTT or push channels. Users confirm their identity inside the application, and the verification result is returned through API integration.
OTT and Push Authentication provides a faster user experience, reduces login friction and helps businesses improve account security with app-based verification.
Yes. SMSala authentication infrastructure is designed to support high-volume verification requests for enterprises, fintech platforms, SaaS applications and digital services.
Developers can integrate OTT Push Authentication using secure APIs, documentation and implementation support for web and mobile applications.
OTT Push Authentication is commonly used for secure login, transaction approvals, account recovery, fintech verification, mobile apps and customer onboarding.
Yes. Businesses can use OTT and Push Authentication globally with scalable infrastructure designed for customers across multiple regions.
Push authentication improves security by adding an additional verification layer and reducing risks associated with password-based access.
Pricing depends on authentication volume, destinations and business requirements. Contact the SMSala team for a customized solution.
SMSala provides technical guidance and integration support to help businesses deploy authentication workflows smoothly.