The ecosystem
72 listings — providers, platforms and apps — each described with the same attributes and measured by the same rules. Added by the cpaas.co team or submitted by the community.
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Nairobi-based APIs for SMS, USSD, voice, WhatsApp and airtime, built for developers across African mobile networks.
Alibaba Cloud's messaging services: international SMS, and WhatsApp and Viber through Chat App Message Service, billed per use.
AWS's messaging building blocks: SMS, voice messages, WhatsApp, RCS and push through End User Messaging, and email through Amazon SES.
Microsoft's communications APIs on Azure: voice and video calling, chat, SMS, email and WhatsApp, with Teams interoperability.
Carrier-grade voice and messaging on an owned network, widely used to bring phone numbers into Teams and Zoom.
Founded in Amsterdam as MessageBird; rebranded and repositioned around marketing, inbox and published per-message prices.
SMS pioneer founded in Cape Town in 2000, now selling a chat commerce platform over SMS, WhatsApp, Apple Messages and regional USSD.
Dutch, Euronext-listed messaging platform: one API for SMS, WhatsApp, RCS and Viber, with chatbots, ticketing and payments alongside.
Bengaluru-based voice, SMS and WhatsApp APIs with a contact-centre suite and voice-AI tools, founded in 2011.
Full-stack CPaaS with owned interconnect and a contact centre suite alongside the API.
Developer-first SMS, voice and verification APIs with published pricing and a lean feature set.
Messaging, voice and verification at carrier scale, assembled substantially through acquisition.
A licensed carrier running its own private network, with messaging, voice, SIP trunking and voice-AI agents on top.
Tencent's communications APIs: real-time audio and video (TRTC), in-app chat and global SMS.
Programmable messaging, voice, video and email APIs with per-country published pricing.
Messaging, voice, video and verification APIs, now part of Ericsson, with a contact-centre product alongside.
Nottingham-based business-messaging group behind Esendex and local SMS brands across Europe, with published SMS plans.
German WhatsApp Business Solution Provider selling direct access to the WhatsApp Business API for a monthly licence per number.
Conversational messaging and bot platform built around the WhatsApp Business API.
WhatsApp-first team inbox with broadcasts, chatbots and an AI support agent, sold on published monthly plans.
Video conferencing and live-streaming SDKs with server-side APIs, recording and webhooks, from a team founded in 2020.
Nasdaq-listed real-time engagement platform: video and voice calling, live streaming, chat and a conversational AI engine, as SDKs and APIs.
Open-source WebRTC infrastructure for real-time video, voice and data, self-hostable or managed.
Enterprise cloud contact centre for voice and digital channels, with routing, workforce engagement and AI agents, from a company founded in 1990.
Freshchat messaging and the Freshdesk Omni help desk, with web, in-app, social and WhatsApp conversations in one inbox and a free tier to start.
Help desk with the Fin AI agent across chat, email, phone, SMS and messaging apps; the company, renamed Fin, is now part of Salesforce.
Omnichannel conversation platform with AI agents, workflows and CRM connectors, priced by plan and monthly active contacts.
Dutch omnichannel inbox for email, WhatsApp, social, live chat, SMS and voice, priced by plan with a conversation allowance.
Customer-service suite whose messaging brings web, in-app and social channels into the same agent workspace as email tickets.
US platform for building AI agents and virtual assistants for customer and employee service, deployed on web, messaging apps, Teams and voice.
Paris-based phone and email verification API that routes one-time codes across SMS, RCS, WhatsApp, Telegram and Viber, with built-in fraud screening.
Verification, fraud-signal and messaging APIs, part of Proximus Global alongside Route Mobile and BICS.
Email API for sending, receiving and tracking transactional and bulk email, owned by Sinch since December 2021.
Transactional email service with separate transactional and broadcast streams, owned by ActiveCampaign since May 2022.
Chat API and SDKs, in-app voice and video calls, and an AI customer-service agent (now Delight.ai) working across chat, SMS, email, WhatsApp and voice.
APIs and SDKs for in-app chat, audio and video calling, activity feeds and moderation, from a Boulder-based company founded in the Netherlands.
72 listings, each classified on the same three lenses and six criteria. Inclusion is editorial and cannot be bought. Know a vendor we should assess? Suggest it.