Twilio Alternatives (January 2026)

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.

3.6/5

3,189+ reviews

Reviewed on:

Email API services | Twilio

https://www.twili

.com/en-us/sendgrid/email-api/

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

Verify API | Twilio

https://www.twili

.com/de-de/verify/

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.

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.

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 APIs for chat, AI chatbots, SMS, WhatsApp, KakaoTalk, voice, and Video. | Sendbird

https://sendbir

.com/

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

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.

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.

Business Phone, VoIP, Communication APIs, Contact Center | Vonage

https://www.vonag

.com/

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

Marketing Campaigns | Twilio

https://www.twili

.com/en-us/sendgrid/marketing-campaigns/

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