Business phone systems

A curated collection of the best cloud phone systems for sales and support teams that include business texting, often with an API for sending and receiving messages from team numbers..

AI business phone system with an SMS and MMS API
Business phone systemsCPaaS and SMS APIs
Dialpad is an AI-powered business phone and contact center platform whose API sends SMS and MMS from team numbers and pushes SMS events to webhooks.
Cloud phone with SMS, RCS and WhatsApp APIs
Business phone systemsCPaaS and SMS APIs
JustCall is a cloud phone and messaging platform for sales and support teams whose API sends SMS, MMS, RCS and WhatsApp, with AI voice agents and an MCP server.
Cloud phone system with SMS, MMS and WhatsApp API
Business phone systemsCPaaS and SMS APIs
Aircall is a cloud phone system for sales and support teams whose Messaging API sends and receives SMS, MMS and WhatsApp from Aircall numbers, with AI voice and messaging agents.
Business phone for small teams with a texting API
Business phone systemsCPaaS and SMS APIs
Quo, formerly OpenPhone, is a business phone system for small teams with calls and texts on shared numbers, a public API that sends texts, webhooks and a hosted MCP server.
Cloud phone system with SMS and MMS APIs
Business phone systemsCPaaS and SMS APIs
RingCentral's RingEX cloud phone system comes with a developer platform whose SMS and MMS APIs send and receive texts from the account's business numbers.
HIPAA-compliant texting and AI agent for practices
Business phone systems
Emitrr gives healthcare practices and local businesses two-way texting, web chat, VoIP phones, fax and an AI agent that answers calls and books appointments, from one inbox.
Zoom's cloud phone with SMS and MMS in its Phone API
Business phone systemsCPaaS and SMS APIs
Zoom Phone is Zoom's cloud phone service; its Phone API sends SMS and MMS from numbers assigned to users, queues or API endpoints, with webhooks for received texts.