UniStack's algorithms protect your phone numbers from getting blocked and maximize text messaging conversion.



MessageBird is described as 'Cloud communications platform that connects over 15,000 enterprises to their global customers via the fastest and most reliable SMS, Voice and Chat APIs in the world' and is an website in the social & communications category. There are more than 50 alternatives to MessageBird, not only websites but also apps for a variety of platforms, including SaaS, Android, iPhone and Mac apps. The best MessageBird alternative is UniStack. It's not free, so if you're looking for a free alternative, you could try Userlike or TextBee. Other great sites and apps similar to MessageBird are Dexatel, Smarter Contact, Twilio and Textmagic.
UniStack's algorithms protect your phone numbers from getting blocked and maximize text messaging conversion.



Dexatel is an API-first, AI-powered CPaaS platform that enables enterprises to deliver secure, scalable, and cost-efficient messaging across SMS, WhatsApp, Viber, RCS, Telegram, and Voice—ideal for OTP, customer engagement, and mission-critical communications.




Smarter Contact is an SMS Marketing Software that is undisputedly the market leader in skiptracing (number lookup) using the most advanced geolocation data. The highest hit rates ensure that you're getting in touch with your customers.



Twilio is a web-service API that lets you use your existing web languages and skills to build voice and SMS applications. We focus on building a simple, powerful, pay-as-you-go communications platform so that you can focus on what you do best.


Cloud-based SMS messaging service provides bulk text notifications, alerts, and campaigns. Features 2-way chat, contact management, API, mobile keywords, polling, analytics, toll-free and scheduled messaging, flexible pricing, and virtual numbers.




AI-driven workspace combines instant messaging, email, SMS, and webchat into a single omni-channel inbox with workflow automation, analytics, marketing, team collaboration, and interactive transactional notifications for improved customer engagement and retention.




SMSAPI.com is browser platform for bulk SMS and other SMS marketing solutions. SMSAPI offers bulk SMS, MMS, voicemailing, HLR services, shortcode, SMS notifications, newsletter SMS, MMS coupons, mail2SMS, two-way SMS and other mobile services.


Delivers easy WhatsApp integration for developers via a REST API. Features include CRM, ERP support, detailed tutorials, JSON compatibility and comprehensive support for novice to experienced programmers.

Platform for WhatsApp API that allows you Profile leads, automate follow-ups and integrate with your favorite tools to increase conversion.



TextBee is an open-source SMS gateway that enables users to send and receive SMS messages via a web dashboard or a REST API. Perfect for businesses, developers, and hobbyists who need a reliable and cost-effective way to automate SMS messaging.

SleekFlow's AI-personalized workflows streamline messaging across channels, transforming interactions into conversions. Automate lead capture with chat links, ads, and QR codes. Enhance customer journeys with drip campaigns, in-chat product suggestions, and 24/7 AI chatbot support.



