Title: Two-Factor Authentication URL: https://www.infobip.com/sms/2fa # SMS two-factor authentication service and solution Protect your customers at any stage of their journey with secure and convenient SMS authentication. [ Try for free ](/signup?signup_source=InfobipProductPageSMS) [ Contact an expert ](/contact) ## Multiple options for SMS verification ## Start with the best programmable SMS APIs [ Explore SMS API ](/sms/api) ## Do it yourself. No coding experience needed [ Sign up for free ](/signup) ## Explore automated omnichannel 2FA [ Check out Authenticate ](/authentication) ![](https://cdn-web.infobip.com/uploads/2025/07/infobip-tgr-haas-web-header-logo-2.svg) ## Two teams. One obsession. Performance through innovation [ Discover more ](/haas-f1-team-partnership) ![](https://cdn-web.infobip.com/uploads/2025/07/infobip-tgr-haa-web-hp-banner.png) A LEADER AGAIN ## 2026 Gartner® Magic Quadrant™ for CPaaS Positioned furthest for our Completeness of Vision! [ Get the report ](/analyst-reports/gartner-magic-quadrant-cpaas) ![](https://cdn-web.infobip.com/uploads/2026/05/gartner-quadrant.png) ## Can we still rely on passwords? Fraudsters and hackers have it easy when it comes to cracking passwords. That's because the majority of people use easy-to-remember, short passwords that are simple to crack. Flawed passwords Some of the biggest mistakes people make when creating passwords include: - Using personal information - Changing one character to reset a password - Reusing old passwords - Using one word - Using less than 8 characters Types of authentication Business can help protect their customers from attacks on simple passwords by adding a second layer of protection through: - Multi-layered authentication - Biometrics - Artificial intelligence Why SMS 2FA is important An SMS verification service adds an extra layer of protection for your customers to prevent hackers from accessing accounts and stealing data. Seamless account registration with SMS 2FA messages also increases conversions and promotes business growth. . 81% of breaches are due to weak or stolen passwords **Source**: Dataprot . 61% of people use the same password for multiple accounts **Source**: Dataprot . ## What is SMS two-factor authentication? SMS two-factor authentication offers a simple and efficient way to authenticate user identity with additional information that is unique to them.It includes a combination of their password with:Mobile push notifications are pop-up messages sent from a mobile app that show up on a mobile phone’s lock screen or notification bar. They enable you to reach mobile app users even when the app isn’t being used. - A code sent to their device - Biometrics ## Key features of an enterprise SMS verification service ## Simple integration Integrate Infobip’s SMS 2FA verification service into your existing workflows with our user-friendly APIs and SDKs. Easy implementation with minimal disruption to your operations. ## Personalization Customize every OTP message to match your brand identity. Secure your customer’s accounts and transactions at the same time building trust and brand recognition. ## Templates Easily create as many message templates as you need. The OTP will be dynamically included when you send the SMS message. Include any region-specific parameters required by local legislation. ## Optimized routing Customers require SMS verification messages to arrive immediately. Delays in 2FA delivery impact user experience and security. Our service intelligently routes verification messages to ensure the fastest delivery and maximum throughput. ## Real-time reporting Track the performance of your SMS verification service with our advanced analytics and reporting tools. Get the real-time insights that enable you to optimize your authentication process and continually enhance your platform’s security. ## Globally compliant As a leading global SMS verification service, we ensure full compliance with global data privacy regulations, including GDPR. We always prioritize the security of your customer data, and our SMS verification service is deigned to build trust. ## How does SMS 2FA work? An SMS verification service reduces the chances of users being hacked, since fraudsters would need both their password and their mobile device. ## A customer logs in using their username and password ## The customer receives a 2FA SMS message with their unique one-time pin (OTP) ## The user inputs the OTP into the login page for authentication ## They have successfully verified their identity ## See what our customers have achieved with our SMS verification service ## Case studies ## Benefits of SMS 2FA [ Contact an expert ](/contact) All you need is your phone There is no additional hardware or download requirements needed for our SMS verification service, making it a user-friendly option for authentication. Available on any mobile device No matter the phone, SMS is available on every device. This ensures that every customer can access easy-to-use security measures to reduce the risk of data being compromised. Reach anyone, anywhere, anytime Users worldwide can be verified with SMS 2FA without any mobile data or WiFi required. Even if you use another channel for authentication, adding SMS as a fallback channel will ensure your customers always get their security messages on time. ## When to use a SMS authentication solution? An enterprise SMS verification service can help to protect your customer at any point in their journey where they are susceptible to fraud. Verify registrations Ensure new users are who they say they are when they register for your services by sending SMS authentication messages to their devices. **Perfect for:** - Banking institutions - Healthcare businesses - eCommerce websites Resetting passwords When a customer requests a password reset, send an OTP through text message to ensure its really them and reduce the risk of fraud. **Perfect for:** - Government websites - Banking apps - Educational institutions Authenticate transactions Real-time confirmation of transactions with SMS 2FA speeds up operational processes and reduces the risk of fraudulent transactions. **Perfect for:** - Banking institutions - Telco providers - eCommerce - Retail User reactivation If a user signs into their account after a long period of inactivity, authenticate their identity through SMS 2FA and block hackers. **Perfect for:** - eCommerce retailers - Travel and ride-sharing apps - Government apps ## Start authenticating with SMS 2FA Sign up today with no obligations and offer security with the convenience your customers need. [ Try for free ](/signup?signup_source=InfobipProductPageSMS) [ Contact us ](/contact)