The Best Linq Alternatives for iMessage and SMS APIs
Compare iMessage APIs and messaging platforms you can use instead of Linq, with features, pricing and limits taken from each provider's own site.
US voice, SMS, MMS and RCS APIs with published rates
CPaaS and SMS APIs
Commio is a US CPaaS with APIs for voice, SMS, MMS and RCS, hosted messaging on your own numbers, and carrier services for Twilio and Teams. It has no iMessage.
Voice, messaging and AI agents from the FreeSWITCH team
CPaaS and SMS APIs
Programmable voice, SMS, WhatsApp and video platform from the FreeSWITCH team, built around code-defined AI agents that work over calls and text.
French SMS, RCS, WhatsApp and TTS messaging platform
CPaaS and SMS APIs
French A2P messaging platform with SaaS, plugins and REST APIs for SMS, RCS, WhatsApp and text-to-speech, with ISO 27001 certification and data hosted in France.
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.
CPaaS for WhatsApp, SMS, RCS and email in India
CPaaS and SMS APIs
TrustSignal is a New Delhi CPaaS provider with APIs and a platform for WhatsApp Business, SMS, RCS and email, plus OTP verification and an AI chatbot.
WhatsApp Business platform with RCS fallback
Multi-channel agent platforms
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.
Open-source SMS API that sends through your Android phones
Open source and self-hostedSMS gateways
Bridge is an open-source SMS and phone verification API that sends through Android phones you own, with signed webhooks, an MCP server and optional SMS provider fallback.
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.
AI contact center with Apple Messages, WhatsApp and SMS
Apple Messages for Business providersMulti-channel agent platforms
Glassix is an AI-first contact center and unified inbox for messaging and voice, with Apple Messages for Business, WhatsApp, SMS and a REST API.
UK SMS API that bills only for delivered texts
CPaaS and SMS APIs
The SMS Works is a UK SMS API that charges only for delivered messages, with reply numbers, OTP, batch sends and webhooks, using direct UK network routes.
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.
Amazon's SMS, MMS, RCS and WhatsApp service for apps
CPaaS and SMS APIs
AWS End User Messaging lets applications send and receive SMS, MMS, RCS and WhatsApp, plus push and text-to-voice, billed per message with leased numbers.
Team texting inbox with SMS, RCS and Apple Messages
Apple Messages for Business providersCPaaS and SMS APIs
Heymarket is a shared-inbox business texting platform for teams, with SMS, MMS, RCS, Apple Messages for Business, campaigns and an API on Pro.
SMS and voice APIs plus Apple Messages for Business
Apple Messages for Business providersCPaaS and SMS APIs
PaaSoo is a cloud communications provider founded in 2016 with international SMS, MMS, voice and lookup APIs, plus a Conversations API for Apple Messages for Business, WhatsApp, Viber and Telegram.
Conversational Cloud for AI and human agents
Apple Messages for Business providersMulti-channel agent platforms
LivePerson's Conversational Cloud runs AI and human agents across SMS, RCS, WhatsApp, Apple Messages for Business and more. SoundHound AI has acquired the company.
Free Android app that turns a phone into an SMS API
Open source and self-hostedSMS gateways
SMS Gateway for Android (SMSGate) is a free Apache-2.0 app that exposes an API and webhooks for SMS and MMS on the phone, through a local, public cloud or self-hosted server.
Live chat and messenger inbox with Apple Business Chat
Apple Messages for Business providers
JivoChat is live chat and omnichannel inbox software for small and mid-size businesses, joining website chat, WhatsApp, social apps and Apple Messages.
Australian SMS and MMS platform with API and AI agents
CPaaS and SMS APIs
Cellcast is a Melbourne-based SMS and MMS platform with an API, two-way messaging and a shared inbox; its Infinity plans add reviews, marketing and AI agents.
Pay-as-you-go SMS, MMS and voice API from Sweden
CPaaS and SMS APIs
46elks is a Swedish API for SMS, MMS, voice calls and virtual numbers, with webhooks, programmable IVR and real-time call audio for AI models, billed per use.
Brazilian customer cloud and CPaaS with RCS, SMS and voice
CPaaS and SMS APIsMulti-channel agent platforms
Zenvia is a Brazilian customer cloud with AI agents and CPaaS APIs for SMS, RCS, WhatsApp, voice, email and social channels, with offices in Brazil, Argentina and Mexico.
Prepaid SMS, MMS and RCS messaging API
CPaaS and SMS APIs
ClickSend, part of Sinch, offers a REST API, dashboard and no-code integrations for SMS, MMS, RCS, fax and post, billed from prepaid credit. It has no iMessage.
Indian CPaaS for SMS, WhatsApp, RCS, email and AI agents
CPaaS and SMS APIsMulti-channel agent platforms
Helo.ai by VivaConnect is an Indian enterprise messaging platform for SMS, WhatsApp, RCS and email, with OTP verification, AI chat and voice agents and a white-label CPaaS.
AI agents for service on Apple Messages, SMS, RCS and more
Apple Messages for Business providersMulti-channel agent platforms
Quiq is an agentic AI customer service platform that runs AI and human agents across Apple Messages for Business, SMS, RCS, WhatsApp, voice and web chat, billed per conversation.
SMS, chat apps, voice and video APIs from 8x8
CPaaS and SMS APIs
8x8 CPaaS offers SMS, WhatsApp, RCS, Viber, LINE and Zalo messaging, voice, video and verification APIs through the 8x8 Connect portal, with pay-as-you-go pricing.
Vodafone's carrier RCS service for brands in its markets
RCS business messaging
Vodafone RCS for Business is an enterprise RCS service from Vodafone Business, built on Google's RCS APIs, for branded messages to customers in Vodafone's European and African markets.
Low-cost SMS, MMS, voice and email API
CPaaS and SMS APIs
TextGrid is a pay-as-you-go SMS, MMS, voice and email API that says it accepts Twilio API code with only a base URL change, aimed at teams moving off Twilio.
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.
Cloud contact center with Apple Messages and SMS channels
Apple Messages for Business providersMulti-channel agent platforms
NiCE CXone is an enterprise cloud contact center whose Digital Experience product routes 30+ channels, including Apple Messages for Business and SMS, to AI and human agents.
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.
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.
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.
Omnichannel messaging APIs and AI agents from Singapore
CPaaS and SMS APIsMulti-channel agent platforms
UIB is a Singapore company selling communication APIs and a multi-channel console with AI agents for WhatsApp, SMS, voice, email, LINE, Messenger, Instagram and TikTok.
US carrier for SIP trunking, numbers and SMS/MMS
CPaaS and SMS APIs
Skyetel is a US telecom carrier that sells SIP trunking, phone numbers, fax and SMS/MMS on those numbers, with a REST API for enterprises, resellers and providers.