Sinch!

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.

An simple text message API.

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.

Voximplant is a cloud platform for developing real-time communication apps with full control over voice and video. Our cloud application engine provides developers with a way to control every call leg using JavaScript logic. Voximplant allows embedding business logic in JavaScript scenarios and reducing requirements for backend services. The JavaScript code running in our cloud provides access to text-to-speech and speech recognition, IVR, ACD, Call Lists, as well as enables third-party services to send and receive HTTP requests, and much more! Our platform has web, android, iOS and react native SDKs alongside with web-based debugging tools. »

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. »

Agora.io provides the building blocks developers need to add high definition voice and video communication to any mobile or PC app through a simple, powerful SDK. Agora.io proprietary technology handles billions of real time communication minutes every year, which allows developers to support as many as 2,000 users in a single call. At Agora, we handle the challenging pieces of providing quality end to end user experience (QoE) globally for real time communication, so our customers can focus on expanding their business. Don’t worry anymore about poor or unpredictable video/audio communications, complicated setup or sky high prices from other services. »

Apptimate is the most secure Communication and Positioning as a Service. We offer secure Point-2-multi point communication between users, apps, devices and “things”, outside firewalls. It’s anonymized, advanced elliptical curve encrypted, multi-factor authenticated and geoposition mashup. But most important; we don’t store any data. We know nothing, what we call “Forgetful Networking”.

Marketing Automation Platform: email, SMS, forms/surveys, social media, voice, fax

In less than 5 minutes, your customers or site visitors can call you directly from your website with a simple click of a button. Talk to your customers before they leave.

SMS Messaging, Simplified.Compliant, reliable and scalable SMS infrastructure for business-critical transactional and marketing messages. Access over 400 million mobile consumers in emerging markets.