CALLR Alternatives

Brings voice and messaging to your web and mobile applications.

Plivo simplifies your business communications.

Warmup Inbox is a tool that automates the process of warming up your email inboxes, raising your sender reputation and inbox health automatically.

Try for free paid Free Trial $12.0 / Monthly (Per inbox, per month.)

Nexmo is a simple two way SMS API with global reach and wholesale rates

Textlocal is an app that allows for individual and group texting. It is designed for businesses that have employers and employees who need to communicate with each other, making it easier to announce group meetings and special announcements.

Next-level customer service is just a text message away.

UC-One is a suite of cloud communications offering business phone services, messaging, audio and video conferencing, and more.

Clockwork is an Easy Text Message API. An SMS API for Developers. Build powerful apps and include SMS. Signup is free, Try it now.

Helping you build incredible chatbots and integrate WhatsApp, Google, Facebook, SMS and more to your communication stack in seconds. All at the cheapest rates out there.

freemium $19.99 / Monthly ("WhatsApp Business Account", "1 Agent")

Join any conference call with one-touch

Chat API & In-App Messaging SDK for Mobile & Web Apps Innovate fast, save development cost and delight users with a scalable, secure and customizable Chat

Voximplant is a software program that allows businesses to automate communications by setting up automatic communication systems in the cloud.

✅Send SMS Bulk and 📨📨📨 Service SMS and Viber ads all over the world. 💰Cheap rices, round-the-clock support and direct contracts with mobile operators.

Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.