Best Voice Calling API & SDK Providers - Page 2

Nexa|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. Biometric template storage and matching can be performed either on a mobile device or on a server. Nexa|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 for convenient and secure multifactor authentication. The Knomi mobile biometric authentication framework is a collection of biometric SDKs running on mobile devices and a server that together enable strong, multi-factor, password-free authentication from a mobile device using biometrics. Knomi offers multiple biometric modality options, including facial recognition.

Produce truly lifelike AI voice at unmatched speed and scale. Create content on demand using text-to-speech or speech-to-speech input. Reach new audiences in localized languages with branded voices. Produce voice-over content without juggling schedules or paying for studio time. Clone voices including celebrities, sports announcers, and public figures—all you need is their consent. Create localized content on demand using text-to-speech or speech-to-speech input. Take advantage of Veritone’s proven AI expertise to optimize your voice automation output and succeed at scale. From enhancing metadata to generating dialogue, we use best-of-breed AI to deliver the best possible results from end to end. Extend the power of true-to-life, real-time AI voice across all your products and projects. With our world-class AI voice API, you can save valuable time and automate at scale by connecting Veritone Voice directly to any app.

DecisionTelecom is a global provider of Application-to-Person (A2P) messaging and voice communication services, offering an omnichannel platform for business messaging worldwide. As a licensed telecommunications operator, they provide direct channels for seamless integration with mobile network operators, ensuring high-quality message delivery across more than 190 countries. Their services include SMS, Viber, WhatsApp Business messaging, RCS, and high-quality voice calls, all accessible through user-friendly APIs and SDKs for easy integration into existing systems. Decision Telecom's mission is to enhance and simplify communication between companies and their clients, providing 24/7 professional support and personalized account management to ensure reliable and efficient service.

Add real-time voice, video, messaging, and more into your VoIP, web, and mobile services. No CapEx. No contracts. Pay as you grow. 100% freedom to build what you want. Handle inbound or outbound calling seamlessly with Apidaze’s Voice APIs. There is no need for complex phone systems, or commitments with large carriers. Apidaze gives you access to phone numbers in more than 8,000 cities in 60 different countries. Create simple IVRs without the need for a phone system. Play a welcome message to the caller and route the call to different people depending on the caller’s input. With 6,000,000,000 SMS being sent each day in the US, SMS has quickly become an important communication medium to keep in touch with your customers.

Creating Customer Journeys Through Conversations. Engaging experiences that move with your customers. Loved by developers. Built for business. Vonage Communications APIs (formerly Nexmo) helps growing startups and agile enterprises enhance their customer experience and realize new business outcomes at scale. With our easy-to-use APIs, global platform, and expert support, you can abstract the complexity of communications and innovate faster. Reimagine voice interactions to redefine your customer experiences. Make each message count as an opportunity for your customers and your business. Enhance security and privacy—and create seamless login experiences. Build modern, high-quality voice applications in the cloud. Programmatically send and receive SMS in practically every country. Get real-time intelligence on any phone number in the world. Make and receive calls from the cloud with your existing VoIP infrastructure.

Thousands of businesses rely on our cloud communications platform to build stronger connections with their customers. Communication Platform supports the world’s most innovative technologies and combines all possibilities making it a reliable tool for digital transformation and global connectivity. Send promotions, push notifications, delivery alerts, order updates, data surveys – whatever you can think of. Use rich media chat and chatbots to empower your teams and cater to every client’s needs – anytime, anyplace. Access a wide library of API references and custom-build your workflows as you see fit. Protect user identities or accounts against online fraud through secure 2-factor authentication and seamless verification experiences.

Sinch is a cloud communications platform that enables businesses to communicate with customers through SMS, MMS, RCS, WhatsApp, email, voice, and other digital channels. The platform provides communication APIs and ready-to-use applications for marketing campaigns, transactional notifications, customer support, and identity verification. Its messaging capabilities support personalized text campaigns, two-way conversations, automated reminders, and rich media interactions across global mobile networks. Sinch also offers email delivery services, programmable voice calling, phone number management, and authentication tools for securing customer accounts. AI-powered capabilities include conversational chatbots, customer service automation, fraud prevention, and intelligent communication workflows. The platform integrates with business applications through REST APIs, SDKs, and prebuilt integrations while providing delivery analytics, communication management, and enterprise security.