Verification API

Name: Verification API
Brand: Sinch

Step up security, keep engagements flowing

Enhance app security with scalable multi-factor authentication solutions built with conversion in mind - all available through a single API!

Don’t choose between security and conversions

Goodbye fraudsters! Reduce unauthorized payments and account takeovers seamlessly with the most widespread and globally recognized user ID.

Make sign-up, log-in, and password resets a breeze with OTPs, password-free phone number verification, and smooth one-factor authentication.

Verify users on any device or platform, in multiple languages, and with efficient fallback for optimal conversion, delivery, and price.

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The faster, more cost-efficient alternative to traditional SMS verification.

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Secure login and sign-up, reduce churn and boost revenue with the power of text.

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Instant verification with proven security – everything you need for a smooth UX.

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Global call verification for mobile and landline numbers - Verify any user, anywhere!

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Engage customers on the world’s most popular messaging channels through a single interface!

SMS, WhatsApp, Facebook Messenger, Viber, and more - our Conversation API got it all.

Deeper insights into verification solutions

Global reach

We hold direct connections to all tier 1, 2, and 3 carriers in the U.S. and 600+ carriers globally. Oh, and 3,000+ enterprise customers globally trust us with their customer communications!
High security standards

We ensure end-to-end security and data protection – we are GDPR compliant, MEF Code of Conduct approved, and ISO27001 certified.
Carrier-grade platform

Our platform is robust, secure, fast, and designed to handle high traffic. Enjoy maximum security and quality, low latency, and access to unique telecommunications data.
One-stop verification shop

Get the exact solution you need with our wide range of SIM-based identity verification methods and our state-of-the-art capability portfolio.