Telesign Verification Alternatives (January 2026)

Phone Number, SMS & Identity Verification APIs | Telesign

https://www.telesig.com/

APIs Delivering Global Verification and Programmable Communications as a service. SMS, Voice, and phone number intelligence solutions. Get started now.

4.5/5

23+ reviews

Reviewed on:

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.

Communications APIs | Vonage

https://www.vonag

.com/communications-apis/

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

SMS Messaging, Voice, Email, Video & Verification APIs | Sinch

https://engage.sinc

.com/

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

Communication Platform for SMS APIs, Voice APIs, and SIP Trunking

https://www.pliv

.com/

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

RingCaptcha - Real Users, Real Contact

https://ringcaptch

.com/

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.

Communication APIs for SMS, Voice, Email & Authentication | Twilio

https://www.twili

.com/

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.

Stytch – The most powerful identity platform built for developers

https://stytc

.com/

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 Online Identity Verification Service - KYC, KYB, AML | Trulioo

https://www.trulio

.com/

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

Strategic Identity Verification & Fraud Prevention - Ekata, a Mastercard company

https://ekat

.com/

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