Best Voice Calling API & SDK Providers of 2024

QuickBlox chat API & SDK allows you to create your own messenger that supports video calling and chat. QuickBlox offers instant messaging APIs that allow chat and calling functionality for any Android, iOS, and Web application. All the features you need to create a great messaging app. WebRTC allows for high quality group and one-to-one calling. Flexible data and file storage to complement your messaging. Real-time notifications and alerts make it easy to integrate your business processes. All file types can be shared and linked (images, audio and video, as well as docs and other file formats). QuickBlox messaging API is used by over 30,000 software developers worldwide. QuickBlox is a HIPAA compliant chat solution that is trusted by healthcare businesses around the world. We serve many customers, from large corporations that store millions of records regarding healthcare and insurance to startups who entrust their telemedicine communications to us.

Our cloud communications platform is used by thousands of businesses to strengthen their relationships with customers. Communication Platform is a trusted tool for global connectivity and digital transformation. It supports the most innovative technologies around the globe and combines all options. You can send push notifications, delivery alerts and order updates. Rich media chat and chatbots can be used to empower your team and cater to all client's needs, anywhere and anytime. Access a large library of API references to build your workflows however you like. Secure 2-factor authentication and seamless verification can help protect user identities and accounts from online fraud.

Voice is an SDK that offers biometric speaker recognition algorithms, software libraries, user interfaces, reference programs, and documentation to use voice biometrics to enable multifactor authentication on iOS and Android devices. You can match and store biometric templates on either a mobile device or a server. Voice APIs are reliable, configurable, and easy to use, complemented by a level of technical support that has helped make Aware a trusted provider of quality biometric software and solutions for over twenty-five years. High-performance biometric speaker recognition allows for secure and convenient multifactor authentication. The Knomi mobile biometric authentication platform is a collection biometric SDKs that run on mobile devices and a web server that enable strong, multi-factor, passwordless authentication using biometrics. Knomi offers multiple biometric modes, including facial recognition.

Produce AI voice that is truly lifelike at unmatched speeds and scale. Create content on-demand using text-to speech or speech-to voice input. Branded voices can help you reach new audiences in localized language. Voice-overs can be produced without having to juggle schedules or pay for studio time. Clone voices of celebrities, sports announcers and public figures. All you need is their permission. Create localized content using text-to speech or speech-to voice input. Veritone has the proven AI expertise you need to optimize your voice output and achieve success at scale. We use the best-of breed AI to deliver the best results, from beginning to end. Extend the power and accuracy of real-time AI voices across all your projects and products. Veritone Voice's AI voice API allows you to automate at scale and save time by connecting it directly to any app.

You can add real-time voice, video and messaging to your VoIP, web and mobile services. No CapEx. No contracts. You only pay as you grow. You have complete freedom to create what you want. Apidaze Voice APIs make it easy to manage inbound and outbound calls. You don't need to have complicated phone systems or make commitments with large carriers. Apidaze allows you to access phone numbers in more that 8,000 cities across 60 countries. You can create simple IVRs without a phone system. Play a welcome message and route the call to different people based on the caller's input. With over 6,000,000,000 SMS being sent every day in the US, SMS is quickly becoming an important communication medium for keeping in touch with customers.

The Real-Time Engagement Platform to build meaningful human connections. People are more engaged when they can see, hear and interact with one another. Agora allows you to embed vivid voice and video into any application on any device, from any location. Agora offers the SDKs, building blocks and tools to allow for a wide variety of real-time engagement options. Our network monitors activity and automatically selects the best routing path to ensure sub-second latency worldwide across 200+ data centers. Compatible with all major development platforms. Mobile-device friendly with minimal power consumption. Built to handle sudden spikes in traffic and gracefully scale from one to millions of concurrent users, depending on your business needs. Our extensive APIs, customizable user interface and pre-integrated third party extensions allow developers to create unique experiences.