Best Voice Calling API & SDK Apps for iPhone of 2024

Sendbird's chat and voice APIs enable conversations and communities in hundreds if not thousands of innovative apps and products. Sendbird's feature-rich platform and pre-fab UI components makes developers more productive. We manage a lot of operational complexity so that you can provide rich chat services, life-like voices, and video experiences. You don't have to worry about reliability, edge cases, scale, or features.

Discover how the Telnyx API is a developer-friendly tool that can transform your business communications. Telnyx is a communication platform that can be customized to meet your specific needs. Our network was designed with real-time communication in mind. We can deliver high quality calls, messaging, data, and data all over the globe. Our SMS API makes it easy to create reliable messaging. Two-factor authentication via SMS or voice codes is a great way to protect your data. You can plug and play your VoIP setup within minutes. Get carrier-grade voice and elastic SIP trunks. You can rest assured knowing that you are protected in the event of a network outage thanks to our cloud-agnostic approach. Telnyx enables communications to be deployed exactly according to specifications.

ClickSend offers SMS, MMS, Voice, Online Mail, Email and Fax software for businesses. Our communications and messaging tools are simple to use, automate and integrate. That’s why they’re used by some of the most trusted brands, organisations and developers globally. Built for all, you can access ClickSend via our Dashboard, mobile app, flexible API or 900+ integrations. Plus, ClickSend offers helpful 24/7 support, and lightning fast delivery via a secure and reliable platform. From SMS marketing and alerts to bulk mailouts sent from your browser, join over 90,000+ businesses sending communications around the world. Our 100% uptime guarantee and lightning fast direct routes provide reliable messaging, no matter the channel. From small businesses to enterprise, ClickSend powers billions of messages around the world with 232+ direct carrier connections. Plus, ClickSend is always pay-as-you-go. That’s why ClickSend is business communications, solved.

MirrorFly is an enterprise grade communication solution fulfilled by SDKs for an unparalleled calling and chat experience. With over 150+ chat, voice and video calling features, our cloud-hosted suite readily facilitates seamless integration of chat, voice, video, file sharing, screen sharing, recording and more via straightforward integrations & also offers its chat SDKs for free empowering better messaging experiences across verticals. MirrorFly combines the power of feature-rich in-app capabilities across web, Android and iOS platforms to help strengthen business collaboration and productivity with ease. Besides, to address the growing compliance and security demands of global app users, MirrorFly is now HIPAA and GDPR compatible to safely conduct conversation in line with these standard compliances across apps. Moreover, the conversational engine now bolsters in-app chat moderation via ban, report, block features to effectively filter and screen user conversations for establishing a secure interactive space. Eventually, via these resilient and robust integrations, MirrorFly fosters the conversational integrity of millions of concurrent users whilst staying true to the brand appeal and enables development of future-proof

EnableX makes it easy to integrate real-time communications into applications or workflows. It was designed and developed for Service Providers and Systems Integrators. It provides a robust, scalable, secure communications platform without the complexity and maintenance of maintaining the network infrastructure. Developers can quickly customise and embed all of the communication functions, such as voice, video, and SMS, into existing applications, workflows, and systems by simply using EnableX's extensive sets of programmable SDKs and APIs. Businesses can communicate with customers worldwide using the Virtual Number services, as well as advanced features like AI and NLP.

CometChat is a live chat platform that allows users to collaborate and connect with customers. Developed with API and Chat SDK, CometChat can be deployed on-premise and cloud. The solution enables users to video, text and voice chat with the customers, share pictures via broadcast videos, play games and use whiteboards. Primary features of CometChat include WebRTC, file sharing, screen sharing, real-time language translation, customization for layouts, languages and colors, typing indicators, last-seen notifications, read receipts, emojis and stickers. The platform also allows users to switch from text chatting to a video chatting interface. Additional services of CometChat include broadcast messages, guest login support, earlier messages, blocking or unblocking users, video broadcasting and voice notes. Pricing of the product is based on monthly active users and support is extended via email and phone.

Authkey.io stands as an exceptional Enterprise Omni Channel API platform, offering an extensive suite of communication tools and APIs meticulously designed to empower businesses in their quest for efficient and secure customer engagement. SMS API:A seamless communication symphony with its event-based messaging prowess. This facet encompasses the seamless orchestration of Bulk SMS delivery, transactional messages, one-time passwords (OTP), and the authentication process through call-based interfaces. Voice API: This dynamic capability ensures the delivery of OTPs through vocal messages, providing an alternative avenue that ensures the recipient's prompt access. Email API: Reliable and rapid delivery of emails, serving critical functions such as password verification, account creation, OTP distribution, and email validation. WhatsApp Business API: The contemporary business landscape requires a direct conduit to reach the massive audience on the WhatsApp API facilitate this engagement, enabling businesses to establish a direct line of communication with their audience. Two-Factor Authentication (2FA) API: Seamlessly dispatching OTPs, verifying logins, and bolstering the security architecture of business software, CRM systems.

Dyte's Video SDK and APIs are SOC 2, GDPR, and HIPAA compliant. Embed scalable, customisable and secure video call into your web or mobile app with just few lines of code. It is compatible with Android, iOS, React Native, Angular and many more languages. With an uptime of 99.99%, industry-leading documentation, UI kit and out of the box plugins, customize the video experience within minutes.

mesibo allows you to quickly add powerful real-time messaging, group chat and voice, as well as video calls, to your mobile and web apps. When designing mesibo APIs, the main objectives were reliability, performance, as well as scalability. APIs can be as complex as the universe, making apps unnecessarily complicated and error-prone. Instead, we have worked hard to make mesibo APIs simple and powerful. This section will discuss mesibo's real-time APIs in greater detail. To learn more about APIs, it is recommended that you refer to the source code for one of the mesibo samples apps on GitHub. This makes it easier to write cross-platform code on any platform. We will now describe APIs using name and parameters in the sections below.

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.

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.

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.