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Unified Communications Software with API (2026) - Page 3

Last updated: April 2026

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160 software options

Spoke Phone logo

Great customer conversations anywhere, on any device.

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Spoke Phone is the leading platform for high-value, complex, and regulated conversations. Spoke guides employees to say and collect the right things so deals move forward and customers get better experiences. Compliant calls, SMS, and WhatsApp conversations on mobile phones and desktops devices.

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VoIPstudio logo

VoIPstudio: the no-hassle VoIP phone service for business

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Award-winning VoIP-based Cloud Unified Communications Platform. Advanced multichannel communications and collaboration features like Audio and Video Conferencing, Instant Messaging, Desktop Sharing, Mobility, and CTI Integrations. Perfect for teamwork and remote working. 24/7 support service.

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DialMyCalls logo

Mass notification solution

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DialMyCalls is a mass notification solution that helps educational institutes, religious organizations, and businesses broadcast text, voice, and email messages to individuals and groups. Administrators can use the text-to-speech technology to create audio messages in multiple voices and languages.

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Trillian logo

Modern and secure messaging for business and healthcare

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Trillian is a cloud-based solution designed to help businesses in the healthcare sector manage processes for instant messaging to improve internal communication. Trillian lets users manage group chats, sorted by teams or department, & share information about patient status, staff rotations, & more.

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ClickSend logo

Business Communications. Solved

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ClickSend is designed to help businesses send and receive SMS, MMS, voice, direct mail, and more within a single communication platform. Whether it is an SMS blast via the dashboards or automated texts via API, it lets users choose a global SMS gateway and get access to a full communications suite.

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Plivo logo

API-based Voice and SMS platform for businesses of all sizes

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Plivo is an API-based voice & SMS developer platform & global carrier service provider for businesses of all sizes wishing to leverage cloud communications. Customers can access versatile HTTP APIs for building voice & SMS capabilities into any web or mobile app using any web standard language.

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Jostle logo

Helping employees succeed. Anytime, anywhere, with ease.

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Jostle's the single place where everyone in your organization connects, communicates, and celebrates together. Anytime, anywhere, with ease. The result? Your culture comes to life, and each and every person is set up for success.

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Cisco Unified Communications Manager logo

Communication and collaboration management solution

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Cisco Unified Communications Manager (formerly CallManager) helps businesses connect and collaborate with teams via IP telephony, voice & video calling, messaging, and more. The activation code onboarding functionality lets users create phone records without a phone’s MAC address.

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Zenzap logo

Finally, work chat done right.

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Zenzap is an intuitive work chat app built for team communication. It provides an easy-to-use chat experience that keeps teams connected and organized, while keeping business data secure and compliant. Finally, work chat done right.

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Ultatel Cloud Business Phone System logo

ULTATEL | Phone and Teleommunication Solutions For Business

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ULTATEL is a leading and innovating provider of cloud-based telecommunications. We help your business unify voice, chat, and video in a single user-friendly platform.

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VirtualPBX logo

Trusted VoIP for any office, anywhere.

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Get Unlimited Minutes, Text Messaging, and a VoIP Device for $18/mo***** Save up to 80% off business VoIP today!

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SMS API logo

Communicate, connect, convert.

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Our SMS API is a fast, customizable program designed to fit your company's communication needs by reliably sending and receiving text messages from around the world.

Esendex's API is quick and easy to integrate, leveraging developer guides in multiple languages.

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Fuze logo

Multi-channel support for customers, partners & staff

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Fuze - formerly ThinkingPhones - is a cloud based unified communications platform (UCaaS) enabling multi-channel support for customers, partners, staff and other stakeholders

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MyOperator logo

Business AI Operator - WhatsApp API and IVR automation

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MyOperator, a Business AI Operator, is India’s leading Call + WhatsApp communication platform, trusted by over 10,000 businesses, including Amazon, Lenskart, NCERT, Apollo, and Myntra.

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Asterisk logo

Open-source modular communication system

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Asterisk is an open-source framework that helps to build communication applications and is used by small, midsize and large companies and governments worldwide

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Unified Communications as a Service (UCaaS) logo

Cloud based IP phone with unified communication features

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Evolve IP's cloud IP phone systems free your business from managing carriers, hardware and vendors by providing an enterprise quality hosted PBX.

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Speakap logo

Stay on the pulse of your organization. From anywhere.

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Speakap is an enterprise social network and communication platform which enables organizations of all sizes to improve engagement with non-desk and customer-facing employees to share new knowledge, ideas, internal achievements, and more

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Voiso logo

AI-first contact center software to drive your growth

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Voiso is a cutting-edge cloud contact center software that helps small and medium business scale their contact center operations to support rapid business growth.

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WeKall logo

Cloud-based contact center and telephony AI software

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WeKall is a cloud-based telephony software that helps businesses handle team communications, generate phone log reports, and configure call campaigns on a unified platform.

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PanTerra Streams logo

AI-powered unified communications & collaboration.

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Complete UCaaS platform combining business voice, video, messaging, SMS, fax, and file sharing with AI features, compliance, and 24/7 expert support.

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Whispir logo

Your all-in-one messaging tool.

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Foster rich engagement with Whispir's personalized, cost-effective communication software.

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Callroute logo

A cloud voice & management platform for Teams Phone & Webex.

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A cloud voice & management platform for Teams Phone & Webex. Manage, assign, integrate & automate all in one platform.

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Vonix logo

Communication tools for modern businesses

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Simplify your workflow with Vonix Unified Communications. Combine calls, video, chat, and text messaging in one platform that integrates with your existing tools. Keep your team connected, efficient, and customer-focused.

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Liberty Converse logo

AI-enhanced contact centre experiences for customers & teams

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Liberty Converse is our cloud contact centre solution that revolutionises how businesses interact with customers and teams through AI-driven self-service, process automation and integrated workflows and CRMs.

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Steeple logo

The internal communication solution that your company needs

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Steeple allows all employees to get involved in the life of the company and create links between teams.

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