TumaSMS!

Twilio is a web-service API that lets you use your existing web languages and skills to build voice and SMS applications. We focus on building a simple, powerful, pay-as-you-go communications platform so that you can focus on what you do best.

Nexmo provides innovative communication APIs that bridge traditional voice and text services with cloud communications.

An simple text message API.

Plivo is a voice and SMS API platform that enables developers and enterprises to build powerful apps with great features. With 24/7 free tech support and low prices, Plivo can help your business scale globally.

This RESTful API is a modern API that lets you use the message services provided by iP.1 Networks AB via your own applications. Do everything from just sending SMS messages to managing contacts and sending surveys.

KAP Computer Solutions Pvt. Ltd., (KAPSYSTEM) pioneer in BULK SMS Solutions. KAPSYSTEM provides messaging and voice communications with comprehensive and customized platform for all businesses.

Aculab Cloud presents a way of creating automated telephony applications by handling all the telephony resources in a cloud-based platform. Through the use of simple, high-level language APIs, Aculab Cloud makes it easy for you to create telephony applications that control inbound and outbound telephone calls.Your application can run on your choice of server, in a location of your choice and you do not need to buy any specialist telephony equipment, nor do you need to have knowledge of how the telephone network works. Aculab takes care of the management requirements of the cloud telephony platform for you, freeing up your valuable time and resources to let you focus on innovation and application development. »

CALLR is a voice and messaging API available through REST, JSON-RPC and SDKs (PHP, Python, Ruby, Go, Node.JS, Swift, Java, .NET). It's built with many features made to help brands create smarter interaction with their customers and prospects. CALLR's services are available worldwide in 220+ countries. Two web interfaces, SENDR (Campaign Management) and CALLTRACKR (calltracking and click-to-call) are available to offer access to CALLR's services without having to code.Here are our six main business use cases:SIP Trunking (Outbound and inbound calls at scale) - Conveniently handle my important outgoing call needs. Face any international needs with an adaptive solution that matches my location, and network situation.User Acquisition and Engagement (Outbound calls and SMS campaigns) - Generate online and in-store traffic and keep users engaged using automated and scalable communications methods. Easily broadcast news about sales and events to my customer base.Notifications (Personalized outbound calls and SMS) - Send personalized messages to your customers at key steps of their journey. Notify them of main events and make sure they receive your messages.Custom IVR (Inbound or outbound calls control menu) - Create a smart mapping to route incoming calls according to the rules I set. Make sure each call I receive is handled the quickest and most efficient way.Call Tracking (Inbound calls source identification) - Track incoming calls activity and know where my users found my number. Track calls generated for and routed to a third party.Person to Person Communication (Users calls and SMS safeguarding) - Easily allow my users to exchange with each other on their usual channels. Frame the interaction to ensure its security and keep it smooth. »

engageSPARK enables anyone, anywhere to build and launch SMS and Voice Call messaging, surveying, and decision tree programs to 200+ countries – within minutes. It is a self-service website where any non-technical person can easily, quickly, and cheaply create messaging campaigns, curriculums, surveys, reminders, alerts, decision tree programs, etc. to send key information and collect important data from their participants.

ExpressText is a SMS Marketing provider that allows anyone with access to a computer and internet connection to utilize mobile marketing, one of the most effective forms of consumer advertisement. With our service, individuals and businesses can manage and execute effective SMS marketing campaigns to increase revenue, bring awareness to their brand, and create a stronger market presence.

Download free bulk SMS software to send bulk text messages from PC. Send anonymous SMS or mass sms messages from Atomic Bulk SMS Sender

Receive & send SMS messages, allocate phone numbers, control incoming phone calls, build IVRs, connect calls and create automated outgoing phone calls. Simply Voice, SMS & MMS in one easy API.

High quality and cheap SMS gateway with coverage of 900+ operators worldwide. ? Worldwide coverage ? Free testing ? Great pricing ? Easy HTTP(s) API

Fewsecond is a web platform offering Bulk SMS services, Short number and APIs for integration in Web applications and Softwares.