Telesign Verification Alternatives (September 2025)

Validate users across SMS and preferred channels at scale with the Twilio Verify API, a turnkey, passwordless authentication solution that enables seamless and secure user onboarding, reduces fraud, and optimizes delivery rates without the heavy lifting. Twilio handles all your connectivity, channels, OTP generation, and more—so you don’t have to.

Vonage APIs (formerly Nexmo) offers communications APIs, a global platform and expert support—empowering you to create exceptional customer experiences.

Connect with customers on their preferred channels—anywhere in the world. Quickly integrate powerful communication APIs to start building solutions for SMS and WhatsApp messaging, voice, and email.

Plivo’s SMS API and Voice API platform enables businesses to communicate with their customers on a global scale. Sign up for free now.

Unlock meaningful conversations across the customer journey with programmable SMS, voice, email, video, & verification APIs!

Secure and scale your product with Stytch's identity platform. From authentication to fraud protection, we have the APIs and SDKs for your use case.

Global customer identity verification & fraud prevention for the payments, ecommerce and financial services industries. Trusted by 2,000+ companies worldwide.

Vonage offers flexible and scalable voice, messaging, video and data capabilities across Unified Communications, Contact Centers and Communications APIs.

ValidSoft | Voice Biometrics | Protect conversations & data from unauthorized access Verify identity reliably, & easily with a secure friction-free solution

Fight fraud, maintain compliance and onboard online customers faster with Jumio's industry-leading identity verification platform.

Build your very own omnichannel customer engagement platform with a no-code builder or customize it with Video, Voice, SMS, and chatbot APIs from EnableX.

AI-powered identity verification platform for end-to-end user onboarding with industry-best pass rates. Combat fraud and ensure compliance. Book a demo now!

Experience the world's most flexible age verification & identity verification platform. Deploy multiple methods exactly to your spec.

Highly automated identity verification for fraud prevention, compliance and safeguarding your customers. Build trust, transparency online and drive more growth.

Sumsub - Identity verification platform to secure the whole user journey ✔️Verify users, businesses or transactions, all while managing cases and deterring fraud ✔️ Highest pass rates ✔️2000+ clients ✔️Book a free demo now!

Onboard & engage users in 90s with phone identity, verification, OTP & SMS notification. Send reliable voice/SMS OTP with Twillio, MessageBird, Nexmo, Infobip, etc. from 1 API.

Spoof-proof location verification used by trust & safety teams to authenticate customers throughout their digital journey and increase digital trust.

Trulioo is the leader in global identity verification providing instant online identity proofing for over 5 billion people in 195+ countries.

With OneSpan Mobile App Shielding, improve your user’s mobile app experiences while controlling fraud and defending against security threats.

Incode offers the world's most advanced identity verification & authentication system. Power a world of trust with simple, secure & fast identity experiences.

Communications API for chat, AI chatbots, SMS, WhatsApp, voice, video, KakaoTalk, and in-app notifications with Sendbird's all-in-one communications API platform.

Start sending transactional and marketing email in minutes. Easily scale to enterprise-volume with Twilio SendGrid’s Email API. Try it free!

Identity verification service for user onboarding. Mitigate fraud with instant ID verification. Meet Know Your Customer, AML regulations.

AI transformation partner for enterprises, driving increased revenue, reduced costs, and enhanced customer experience with Exotel solutions.

Create trust at onboarding and beyond with an AI-powered digital identity solution. Onfido enables hundreds of businesses to know their customers online.

Highly effective, privacy preserving age verification so you can be confident in the age of your customers.

Create seamless identity verification & onboarding experiences without making your customers (or staff) jump through hoops.

OneSpan helps enterprises deliver secure immersive experiences through digital agreement security, including digital identity, authentication and eSignature.

IDMERIT provides fast and accurate Digital Verification. Identity Verification Solutions helps verifying your customers Online and Keeps your business safe, secure and compliant while maximizing ROI with Id Verification Solutions.

Token of Trust protects orders, prevents fraud, and maintains compliance for eCommerce sites. Get Identity Verification and more in our suite.

Telnyx offers solutions tailored to your industry needs, from AI to call tracking. Enhance your business capabilities with our specialized solutions.

Prevent fraud and onboard more users with advanced AI-powered & private identity verification solutions for businesses. Get a Free Demo!

Online ID verification service to help any business, from any industry, collect, verify, and manage user identities throughout a customer lifecycle.

Deliver seamless omnichannel experiences with customer experience and contact center solutions from Verizon Business. Drive loyalty and capture the voice of the customer.

Sell more w/ a bulk SMS service, email marketing, TTS, 2FA, voice calls & messaging apps integration w/ advanced API communication platform.

We're experts in automated, Scalable, Integrated Digital Certificates Solutions, SSLs/TLSs, managed PKI, IoT, authentication & email security. Learn more about our identity management services.

Power fully-automated risk decisions with the world’s most complete view of customer digital identity.

We help you with Identity verification technology for customer verification, & depositing checks virtually, with Mobile Deposit. Learn more about our services!

MiniAiLive offers solutions for identity verification and biometric authentication. Enhance security with MiniAiLive. Get started today!

Seamless and secure online experiences are built with BioCatch behavioral biometrics. We’re more than just fraud prevention. Our solution powers your digital growth.

Engage your customers and prospects with simple drag and drop email, SMS, chatbot or build custom solutions with the best in class APIs

HYPR's identity security solution empowers you to continuously detect, prevent, and eliminate identity-related risks for your workforce and customers.

Prevent fraud and detect bots confidently with IPQS fraud detection solutions including bot detection, proxy detection, & email validation. IPQS fraud prevention tools detect fraud, bad bots, high risk users, and fraudulent transactions.

Engage your customers and prospects with simple drag and drop email, SMS, chatbot or build custom solutions with the best in class APIs

For strong authentication, you need a strong identity. Upgrade identity authentication & Go Passwordless with the 1Kosmos digital identity solution.

Plataforma de Comunicación Omnicanal. Crea una estrategia de comunicación global e integra todos tus canales de comunicación.

With cidaas you create one identity across all channels for convenient & secure authentication ►SSO ►2FA ►Social Login ►Identity & access management

One-stop Cloud Communication Platform. Try Acefone’s omnichannel services, cloud contact centers, & virtual number calling. Get Free Trial Now!

The modern way of proving identity. Trusted by 1,000+ leading companies to reduce fraud and improve consumer experiences, Prove is the world's most accurate ...

Industry-leading digital trust and safety powered by real-time AI/ML: fraud prevention, chargeback management, identity verification, and compliance solutions.

RSA, the security-first identity leader, provides the automated identity intelligence, authentication, access, and governance solutions that secure the world’s most secure organizations.

Data Zoo is an online identity service verifying customers instantly and providing global data coverage. Keeping information protected and systems secure.

Business communication solutions from net2phone streamline workflows, effortlessly collaborate, and build customer relationships that last.

We build technology that builds trust. IDScan.net provides an AI-powered identity verification platform for ID scanning, age verification, and more.

Quickly integrate passwordless authentication for web and mobile applications to give users a smooth, secure login experience.

Real-time online age verification service compatible with all major ecommerce platforms. Identity verification through public records or photo upload. Age verification plugin and API available.

Okta's Workforce and Customer Identity Clouds enable secure access, authentication, and automation—putting identity at the heart of business security and growth.

Geetest's CAPTCHA - a user-friendly CAPTCHA powered by AI. Protect your website and mobile apps against bot traffic. Start your free trial now!

Identity Verification Acceptance Trinsic helps you verify users 10x faster by accepting digital IDs. Schedule demo 71,000,000 people are already verified by: Become a partner Accept millions of pre-verified users with one integration The identity landscape is fragmented between dozens of identity providers, mobile driver’s licenses, eIDs, BankIDs, and reusable ID networks. We route users

Optimal IdM is an global provider of Identity and Access Management (IAM) Solutions and Services. View our award-winning suite of IAM products today.

With ATO Protect, you can escalate and eliminate account takeover fraud within your existing decision matrix. No integration needed.

Ensuring KYC/AML Compliance while preventing customer drop-offs for businesses across the globe while verifying identities in real-time and converting more customers.

Marketing Campaigns makes it easy to design, test, optimize and scale email campaigns. Reach the inbox with Twilio SendGrid. Try it free!

Unlock the power of your communications data. The Nylas communication APIs remove complexity & empower teams to create seamless user experiences.

Courier is a notification API built for developers. Design once, and deliver to any channel – email, Slack, SMS, push, and more – all through a single API.

Omnichannel Contact Center Platform. Connect Southeast Asia Virtual Phone Numbers

Access our top-tier SMS gateway services at an affordable price globally. No subscriptions and full compliance. Create a free account >>

Create and customize user journeys for any app – from authentication and authorization to MFA and federation. Get set up in minutes with our no-code CIAM platform.

Home page for NokNok.com, the global leader in FIDO Alliance certified, frictionless, passwordless authentication solutions

Communicate with customers via the channel of their choice – SMS, social and integrations. All via our messaging platform for businesses. United States

Get your message across. One account, so many ways to send.

The easiest way to add authentication and user management to your application. API-first & purpose-built for developers. Get started for free.

Entersekt is how the financial world can finally access one cross-channel platform for secure, frictionless authentication of customers and payments alike.

Developer APIs / SDKs for enterprise-ready features like Single Sign-On (SSO/SAML), Passwordless Authentication, Directory Sync (SCIM), Audit Trail (SIEM), and more. Get started for free.

From signing to filing, it's never been easier or more affordable to engage customers with API toolkits from the leader in online legal services.

Join 15,0000+ customers using Comm100's all-in-one omnichannel communication platform - live chat, bots, automation, email, and more!

Get the YubiKey, the #1 security key, offering strong two factor authentication from industry leader Yubico.

Salesmsg is a texting platform with all the software, integrations, and resources you need for SMS marketing, sales outreach, customer service and your business.

With SecureAuth Arculix, every digital journey is simple, seamless, and secure to support your cyber insurance and ZTA initiatives.

Use the text messaging service 17,000+ businesses trust. Send SMS marketing campaigns, receive texts, and message one-on-one.

With our real-time phone number validation service you can easily verify if a phone number is real and valid. We also offer Phone Number List Cleaning and an Online API for Phone Number Validation.

Verify/Validate Addresses using PostGrid’s CASS (USPS) and SERP (Canada Post) certified Address validation and verification API and services.

Learn why 2 of the 3 top banks, tech titans, and trailblazing businesses work with us to slash internal security costs and reduce the impact of online fraud.

Postcoder is the API for address lookup & form validation. Improve your conversion rates and capture better quality customer data.

Onboard companies of any size in just a few lines of code.

LoginRadius is a customer identity solution that manages user authentication, identity verification, social login, SSO, login security & more.

Unlock the value of your contact center and improve customer experience with the industry's most powerful conversation intelligence platform.

Textline's business texting software offers solutions for sales, marketing, customer service and beyond. Utilize the power of SMS to grow quickly.

Bandwidth is an enterprise communications platform with voice, messaging, and emergency APIs for your communications stack.

Engage with your customers at scale on digital channels, including private messaging, communities, email, live chat, and voice self-service.

Unlock intelligence about the person behind the email address with email validation, data enrichment, identity matching, and fraud protection.

ComplyCube is a leading SaaS platform for online Identity Verification, AML, and KYC Solutions. Verify your customer identities in seconds. Try us out today!

A cloud native SaaS immersive digital banking engagement and experience platform designed with an API- and mobile-first approach and baked-in AI/ML intelligence to offer persona-centric, configurable lifestyle banking experiences across the retail, business, corporate, and Islamic banking segments.

The State of Passkey Authentication Live Webinar: Wednesday, June 19 at 2pm ET / 11am PT Register for the webinar PortalGuard IDaaS: Flexible, powerful identity security for employees & customers. Free Trial Contact Us Identity-Bound Biometrics are a great investment. Invest in BIO-key Give us a hand. Try a different way to authenticate with MobileAuth™. Learn

Get started for free and integrate WebRTC video calls into your website or app using the Whereby API and SDK.

Build real time chat, voice and video calling experience with CometChat's flexible SDKs, APIs & UI Kits. Sign up now!

SMS texting service for business text messaging. Use our SMS software for business texting and SMS campaigns. Start texting online today with Text Request.

Telzio provides cloud-based phone systems with a modern interface and scalable pricing. Complete end-to-end solution with powerful call routing features.

Plan, manage, and execute your business’s important moments using GlobalMeet, the most secure and reliable webcasting platform.