RCS and SMS API with voice and per-account iMessage
CPaaS and SMS APIsRCS business messaging
Pinnacle is a YC-backed messaging API for RCS, SMS, MMS and voice, with iMessage onboarded per account, SDKs in three languages, a 95-tool MCP server and HIPAA support.
SimplyRCS is a US platform from Signalmash for verified, branded RCS with SMS and MMS fallback, an AI bot builder and an API, billed per message with no platform fee.
Indian CPaaS with voice, SMS, WhatsApp, RCS and AI agents
CPaaS and SMS APIsMulti-channel agent platforms
Exotel is a Bengaluru-based cloud telephony and CPaaS company with voice, SMS, WhatsApp and RCS APIs, AI voice and chat agents, a contact center and an MCP server.
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.
Voice and chat AI agents across phone, WhatsApp and SMS
Multi-channel agent platforms
ElevenAgents is ElevenLabs' platform for voice and chat AI agents that run on phone lines, WhatsApp, SMS, web and apps, using your own Twilio or SIP numbers.
Contact center AI and services with Apple Messages
Apple Messages for Business providersMulti-channel agent platforms
[24]7.ai sells an AI customer engagement platform and outsourced contact center services to large brands, with Apple Messages for Business among its messaging channels.
Omnichannel shared inbox with AI agents for sales teams
Multi-channel agent platforms
ControlHippo is a shared inbox with AI agents and CRM sync for WhatsApp, SMS, RCS, Telegram, Instagram, Messenger, Gmail and voice, aimed at sales and support teams.
Salesforce-native messaging with an Apple Messages API
Apple Messages for Business providers
1440 sells Salesforce-native apps for messaging, translation and reviews, plus a typed MSP API for Apple Messages for Business chats, invitations and Apple Pay.
Use your Mac's iMessage and Contacts inside ChatGPT
MCP serversOpen source and self-hosted
Open-source MCP connector with a hosted relay and a local Mac agent that lets ChatGPT search iMessage history and Contacts and send confirmed messages from your own Mac.
Simple AI builds AI phone agents for sales and support that also hold SMS conversations, with teammates replying in the same thread and journeys that mix calls and texts.
Unifonic is a Saudi customer engagement platform with SMS, voice, WhatsApp, Apple Messages for Business and Arabic-first AI agents for regulated GCC enterprises.
Paris-based customer messaging and AI agent platform
Apple Messages for Business providersMulti-channel agent platforms
Alcmeon is a Paris-based conversational platform for customer care, sales and marketing on WhatsApp, RCS, Apple Messages for Business, social apps and web chat.
Claude Code MCP server for your Mac's iMessage history
MCP serversOpen source and self-hosted
Open-source, macOS-only MCP server for Claude Code that reads and searches Messages history, transcribes voice notes, exports chats to Obsidian and sends texts after a confirm step.
Knowledge and AI agent platform with a messaging hub
Apple Messages for Business providersMulti-channel agent platforms
eGain sells knowledge management, AI agents and a customer engagement hub whose Messaging Hub covers web chat, SMS, WhatsApp, Messenger and Apple Messages.
Twixor is a white-label AI-native CPaaS that telcos, aggregators and enterprises use to run RCS, WhatsApp, SMS and voice campaigns, chatbots and AI agents.
Enterprise CPaaS with RCS, SMS, WhatsApp and Truecaller
CPaaS and SMS APIsMulti-channel agent platforms
ValueFirst, part of India's Tanla Platforms, sells enterprise messaging over RCS Business Messaging, SMS, WhatsApp, Truecaller, email and voice, with routing and AI tools.
Pay-as-you-go CPaaS with AI agents on every channel
Apple Messages for Business providers
+2 more
Orbit by Devotel is a pay-as-you-go CPaaS with one API for SMS, RCS, WhatsApp, voice and email, plus built-in AI agents, a contact center and an MCP server.
Open-source Android SMS gateway with a free hosted plan
Open source and self-hostedSMS gateways
textbee is an MIT-licensed SMS gateway that turns Android phones into an SMS API with REST, signed webhooks and an MCP server, self-hosted or on its hosted plans.
AWS contact center with Apple Messages, SMS and AI agents
Apple Messages for Business providersMulti-channel agent platforms
Amazon Connect Customer is AWS's pay-as-you-go contact center for voice, chat, SMS, email, WhatsApp and Apple Messages for Business, with AI agents included.
Cloud contact center with Apple Messages, SMS and WhatsApp
Apple Messages for Business providersMulti-channel agent platforms
Genesys Cloud is a contact center platform for voice and digital channels, including SMS, WhatsApp and Apple Messages for Business, with bots and AI copilots.
Social care and community platform with Apple Messages
Apple Messages for Business providers
Khoros, powered by IgniteTech, sells Aurora AI for brand communities and Iris AI for social media and digital care, with Apple Messages bots through Khoros Flow.
Service platform with Apple Messages and Zendesk Text SMS
Apple Messages for Business providersMulti-channel agent platforms
Zendesk is a customer service platform and Apple-certified messaging provider: Apple Messages for Business and SMS (Zendesk Text) conversations become tickets for live and AI agents.
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.
Interakt, from Jio Haptik, is a WhatsApp Business API platform for small and mid-size businesses, with Instagram, AI agents, a CRM and RCS as a fallback channel.
Mexican messaging platform and API for SMS, RCS, WhatsApp
CPaaS and SMS APIs
Zorya, part of Mexico's Everlay Group, is a business messaging platform and API for SMS, RCS, WhatsApp and email, with AI agents and a wholesale A2P business.
Developer platform for voice agents with inbound SMS chat
Multi-channel agent platforms
Vapi is a developer platform for AI voice agents on phone and web calls, whose assistants can also answer customer-started SMS chats on imported US Twilio numbers.
Enterprise voice agents with SMS and WhatsApp chat
Multi-channel agent platforms
Synthflow is a no-code platform for enterprise AI voice agents whose chat agents also hold SMS and WhatsApp conversations through your own Twilio account.
Hosted SMS gateway that sends from your own phone's SIM
SMS gateways
SMS8 is a hosted service that sends SMS and MMS through Android phones or iPhones you pair, with a REST API, OTP API, signed webhooks, GoHighLevel and an MCP server.