SINCH NAMED A CPAAS LEADER IN IDC MARKETSCAPE LEARN MORE Close notification CTA Talk to an expert Menu SMS VERIFICATION Verify customers securely and at scale with SMS Increase conversions, reduce churn, and boost revenue, thanks to the humble yet powerful text message! Talk to an expert Try for free No-fuss onboarding for end-users around the globe Increase conversion Send conversion rates soaring with seamless account registration and login alongside quick and easy user validation. Prevent fraud Reduce unauthorized account activity with SMS OTP for two-factor authentication (2FA) on sign-up, login, and transaction approvals. Scale globally Take on the world! Scale with ease thanks to our expert local knowledge combined with deep carrier integration. Simple. Secure. Scalable. SMS Verification just works Texts are universally available on mobile devices - ready to send around the world! Keep it simple with a one-time passcode via SMS for sign-up, login, or transaction approvals. Talk to an expert Try for free Sinch has drastically reduced the number of fake accounts and fraud on our platform. In addition, as a global company, it was easy to use their services in another country when we started to expand internationally. Felipe Cousin Head of Technology, Aiqfome Learn more Our standard: high delivery, low latency Verify your end-users in seconds with our powerful super network and intelligent routing, specifically optimized for verification SMS. Looking for analytics? Check out our self-serve portal to keep an eye on conversion rates, fault detection, and prevention. Talk to an expert Try for free Build with confidence - send your first SMS Verification in minutes Our SMS authentication integrates seamlessly into sign-up or login flows via our REST API: Sign up for a free account Send an SMS Verification request to a number of your choice Send a report verification request with the code received See documentation Try for free SMS Verification code snippet curl -X POST \ --user "APPLICATION_KEY:APPLICATION_SECRET" \ -H "Content-Type: application/json" --data " \ { \ "identity": { \ "type":"number", \ "endpoint":"+1555123123" \ }, \ "method":"sms" \ }" \ "https://verificationapi-v1.sinch.com/verification/v1/verifications" Everything you need in an SMS verification service Custom templates Looking for a little help with content? With default templates in over 20 languages, we can even help you set up custom templates if needed. Flexible integration Integration is a piece of cake with our flexible options and self-serve portal. REST API or SDK for Android, iOS, or JavaScript – we’ve got you covered. Automatic OTP capture A seamless CX from the very first touchpoint. SMS verification captures the one-time password (OTP) automatically – no user action required. Reporting API Learn more about your audience, no matter where they are. Real-time analytics on conversion rates and user interactions await in our powerful reporting API. Optimized routes Verify without delay. Data from our reporting API performs intelligent routing, optimized specifically for verification SMS to ensure maximum throughput. Satisfy compliance An ISO27001-certified solution, governed by EU GDPR and enabled through cryptographically secure code generation and storage. Got questions? We've got answers! How does SMS Verification work? Verification verifies identity by sending a code in a text message to a mobile phone. That code is then either captured automatically or is entered manually by the user into a sign-up or login field to access an account. Why use SMS instead of authenticator apps? How can two-factor authentication protect sensitive information? How can I use two-factor authentication to confirm user ID? What are the advantages of using SMS Verification products over a traditional SMS service? Read more Deeper insights into verification solutions Feb 23, 2021 2 min read SIM-based verification: Reducing the risk of cyber attacks Read article Jun 03, 2020 2 min read Verification is more critical than ever Read article Mar 13, 2020 2 min read Time to get verified with Sinch Read article View all insights Our pricing page is on the way! In the meantime, get in touch to discuss pricing Get in touch More great products Flash Call Verification The faster, more cost-efficient alternative to traditional SMS verification. Learn more Phone Call Verification Global call verification for mobile and landline numbers - Verify any user, anywhere! Learn more Data Verification Instant verification with proven security – everything you need for a smooth UX. Learn more Number Masking Masking numbers to anonymize voice calls can protect you and your customers while keeping personal numbers safe. Learn more What are you waiting for? Secure your platform and increase conversions now Home Talk to an expert Americas - Atlanta, GA, USA +1 470 300 8394 Mon-Fri 9am-6pm EST EMEA - Stockholm, Sweden +46 8 446 828 03 Mon-Fri 9am-6pm CET APAC - Singapore +65 315 83155 Mon-Fri 9am-6pm UTC Footer PRODUCTS SOLUTIONS COMPANY © 2021 Sinch All Rights Reserved Footer Utility Privacy Policy Security Messaging Compliance Cookie Statement Legal Terms Glossary Social LinkedIn Youtube Twitter Facebook Instagram Life is better with cookies. Most people would agree cookies make life better. 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