Danish SMS, RCS and email API with an EU-hosted setup
CPaaS and SMS APIs
GatewayAPI is a Danish pay-as-you-go API for SMS, RCS and email, with an EU-only hosting option, for businesses sending notifications and campaigns worldwide.
US RCS platform with a no-code builder, API and MCP server
CPaaS and SMS APIsRCS business messaging
nativeMsg is a US RCS for Business platform with a no-code campaign builder, an API and MCP server, verified branded agents and SMS or MMS fallback from an included 10DLC number.
WhatsApp API, RCS, bulk SMS and voice calls for India
CPaaS and SMS APIs
GreenAds Global runs Telinfy, an Indian messaging platform for the WhatsApp Business API, RCS, bulk SMS and automated voice calls, with chatbots and a free trial.
AI agent builder for Apple Messages, SMS, WhatsApp and voice
Apple Messages for Business providersMulti-channel agent platforms
Yellow.ai builds customer service AI agents for chat, voice and email and deploys them to 35+ channels, including Apple Messages for Business, SMS, RCS and WhatsApp.
Multichannel A2P messaging for SMS, Viber, WhatsApp and RCS
CPaaS and SMS APIs
Messaggio is a Malta-registered multichannel messaging platform with an API and dashboard for SMS, Viber, WhatsApp, Telegram and RCS, plus OTP and flash-call verification.
AI agent platform for WhatsApp, Apple Messages and voice
Apple Messages for Business providersMulti-channel agent platforms
Botmaker builds AI agents for messaging, email and voice on 20+ channels, including WhatsApp, Apple Messages for Business, SMS and RCS, on monthly conversation plans.
Conversational AI platform for WhatsApp, RCS, SMS and voice
CPaaS and SMS APIsMulti-channel agent platforms
Gupshup is a conversational AI platform with AI agents, campaigns and a live agent console over WhatsApp, RCS, SMS, voice and Instagram, aimed at large consumer brands.
Conversations API for SMS, WhatsApp, Viber and RCS
CPaaS and SMS APIsMulti-channel agent platforms
tyntec is a CPaaS company whose Conversations API sends and receives SMS, WhatsApp, Viber and RCS messages through one interface, alongside SMS, OTP and verification APIs.
RCS conversation API for AI agents, with SMS fallback
RCS business messaging
Cadence is an RCS messaging API built for AI agents: agent-initiated conversations over Google RBM with automatic SMS fallback, typed replies, a TypeScript SDK and an MCP server.
Business texting platform and API for SMS, RCS, WhatsApp
CPaaS and SMS APIs
TXTImpact is a US business texting platform from Wire2Air with one API for SMS, MMS, RCS and WhatsApp, webhooks, a shared inbox and Zapier and Salesforce apps.
MCP server to read, search and send iMessage and SMS
MCP serversOpen source and self-hosted
Open-source MCP server for macOS that lets agents in Claude Code, Codex or Claude Desktop read and search Messages, view photos and send texts or tapbacks behind a confirm flag.
Local MCP server for reading and sending Apple Messages
MCP serversOpen source and self-hosted
Open-source MCP server, part of the Apple MCPs suite, that lets an AI client on your Mac read Messages history and send iMessage, SMS or RCS through Messages.app.
Voice AI platform with SMS, RCS and branded iMessage agents
iMessage APIsMulti-channel agent platforms
Enterprise voice AI platform whose messaging stack runs the same agent over SMS, RCS, WhatsApp and branded iMessage, with media, tapbacks and voice memos.
iMessage, SMS and FaceTime Audio lines inside your CRM
iMessage APIs
Project Blue provides dedicated iMessage lines with SMS fallback, a dialer and FaceTime Audio, sold inside GoHighLevel, HubSpot and Close, with a REST API and MCP server.
Sendara sends iMessage with RCS and SMS fallback from dedicated lines, connected to GoHighLevel, HubSpot, Close, Salesforce and Pipedrive, for sales teams and agencies.
iMessage, RCS and SMS for GoHighLevel agencies, with an API
iMessage APIsiMessage for CRMs
Beam brings iMessage, RCS, SMS fallback and FaceTime Audio into GoHighLevel from dedicated business lines, with a REST API, signed webhooks and MCP access.
Dedicated iMessage line with API, team inbox and calling
iMessage APIs
Miss Blue runs a dedicated iMessage number with RCS and SMS fallback and optional FaceTime Audio and phone calls, used from a shared inbox or an API, CLI and MCP server.
Send iMessage, SMS, WhatsApp and RCS from your own devices
iMessage APIsSMS gateways
myCRMSIM connects your own iPhone and Mac, Android phones and WhatsApp to HighLevel and other CRMs to send iMessage, SMS, WhatsApp and RCS at a flat monthly price per line.
Matrix bridge for Google Messages SMS and RCS chats
Matrix bridgesOpen source and self-hosted
Open-source Matrix puppeting bridge that relays the SMS, MMS and RCS chats of a phone running Google Messages into Matrix rooms, for teams that self-host Matrix.
AI voice, RCS and SMS agents for outbound lead qualification
Apple Messages for Business providersMulti-channel agent platforms
Clerk AI builds AI voice and messaging agents for outbound lead qualification across voice, SMS, RCS, WhatsApp and Apple Messages for Business, with TCPA checks built in.
One API for iMessage, SMS, WhatsApp, social DMs and calls
iMessage APIsMulti-channel agent platforms
Zernio is a unified API for social posting, ads, messaging and calls. Its iMessage product gives developers and agents a dedicated US or UK number with SMS and RCS fallback.
iMessage, RCS, SMS and WhatsApp API with hosted agents
iMessage APIsMulti-channel agent platforms
Comms by Osis is a hosted API and team inbox that sends iMessage, SMS, RCS and WhatsApp from one number, with hosted AI agents, human handoff and a hosted MCP server.
Phone numbers with voice, SMS and iMessage for AI agents
iMessage APIsMulti-channel agent platforms
AgentPhone gives AI agents US and Canada numbers for voice calls, SMS and MMS, plus iMessage lines, through one API, webhook and MCP server. WhatsApp and RCS are in beta.
iMessage for customer-started chats, SMS for the rest
iMessage APIs
senderZ is a messaging API in public beta that sends iMessage to contacts who texted first and SMS or RCS to everyone else, with an MCP server and plans priced by new contacts.
iMessage API, MCP server and webhooks on your own Mac
iMessage APIs
autoMessage is a Mac menu bar app with a hosted API and MCP server that lets AI tools and CRMs read and send iMessages from your own Apple ID and number.
One API for SMS, WhatsApp and RCS with automatic routing
CPaaS and SMS APIsMulti-channel agent platforms
Sent is a unified API for SMS, MMS, RCS and WhatsApp with automatic routing and fallback, plus phone calls, for product teams and AI agents that message customers.