Compare the top three in Developers.

• Flock  /  Twilio
• Flock  /  Plivo
• Twilio  /  Plivo

Most popular

1. 

   Twilio

   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, video, and email.

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2. Plivo

   Plivo is a cloud-based communication platform that enables businesses to build, scale, and manage voice and SMS applications. It provides APIs and SDKs to integrate voice, messaging, and other communication features into applications.

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3. 

   Sinch

   Connect with customers and make engagement personal with our simple, programmable SMS, voice, video, & verification tools. Find out more information today.

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4. 

   Telesign

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

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5. Flock

   Flock, the best team communication app and online collaboration platform, comes with team messaging, project management and other great features that improve productivity and boost speed of execution.

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