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Best 10 Voice Call APIs for Your Product

Best 10 Voice Call APIs for Your Product

Live voice call is an interactive way to stay in touch with your loved ones, irrespective of geographical barriers. Currently, many voice call applications are available, and more are still in the pipeline. If you want to create your voice chat app with minimal resource utilization and maximum productivity, voice call API is the right solution. This article will discuss 10 popular voice chat API tools for you.

What is a Voice Call API?

In general, an API, or Application Programming Interface, is a set of rules and protocols that allows different software applications to communicate and interact. It acts as a bridge between various systems, enabling them to exchange data and functionality seamlessly.

APIs are a way for developers to request and share information between applications. They define the methods and formats, making integrating different software components into projects easier. APIs simplify the development process by providing a standardized interface, abstracting away the complexities of the underlying system. Additionally, developers can use pre-built functionalities and services without understanding the intricate details of how they work internally. APIs exist in multiple fields, including web development, mobile app development, and cloud computing.

In the specific case of Voice Chat APIs, developers can use them to add voice communication features to their applications. This tool allows users to have real-time voice conversations, one-on-one or in group settings. With the Voice Chat API, developers can create applications that support voice calls, conferences, and even voice-based gaming experiences. Using the Voice Chat API, developers can improve the user experience by providing seamless voice communication capabilities.

How to Choose a Good Voice Chat API?

When selecting a reliable Voice Chat API, several crucial factors must be considered:

1) the audio transmission quality: look for an API that offers high-definition voice communication with minimal latency and background noise suppression. Additionally, ensure that the API supports various audio codecs to cater to different network conditions and device capabilities.

2) the scalability and reliability of the API provider: find one that can handle numerous concurrent users without affecting its performance or causing frequent disruptions. Providers with solid infrastructure and worldwide coverage are ideal for guaranteeing smooth connectivity across various regions.

3) the ease of integration and developer-friendly features offered by the API. Look for comprehensive documentation, SDKs in multiple programming languages, and readily available code samples to simplify implementation. Features like real-time transcription, voice analytics, and customizable user interfaces can enhance the overall user experience.

4) The API provider’s security measures: ensure that end-to-end encryption is supported to protect.

Top 10 Best Voice API & SDK Providers for Your Business

Voice calls are a perfect facility to communicate in real-time scenarios while utilizing the power of voice. Since plenty of voice call SDK is available, choosing the right one may sound complicated. Making things easier for you, here you’ll find the 10 most popular voice call APIs:


Establish clear and crispy digital communications with ZEGOCLOUD, an industrial-recognized voice call API. This platform leverages spatial audio, AI noise reduction, and intelligent voice processing to ensure top-quality voice calls. Surprisingly, you’ll get 10,000 free minutes of audio calling when you sign up. Meanwhile, for developers, ZEGOCLOUD comes as assistance as it allows them to develop a voice call app using UIKits or SDKs.

2. Vonage

Making voice calls better and more realistic, Vonage voice chat API ideally innovates the voice call experience. Meanwhile, this API comes with WebRTC and PSTN technologies that enhance wireless communication efficiently. With flexibility, developers can easily structure the voice chat functions per the business requirements. In addition, there are voice control, voice bots, and analytics features to enhance user experience.


3. MirrorFly

MirrorFly is a modern yet efficient voice-calling API with a fully customizable audio-calling facility within SIP/VoIP infrastructure. The audio quality is extraordinary, with 99.999% uptime SLA and ultra-low latency. Meanwhile, users can initiate and receive calls on web or mobile applications, including browsers. Not to forget, voice calls are totally encrypted, and this does not affect the quality of a call.

mirrorfly voice call api

4. Twilio

Adding voice chat support into your applications is now easier and more intelligent with Twilio, a trusted voice call SDK. Furthermore, you can go live with your voice call app within a few lines of code. Interestingly, you can make an app in the programming language of your choice, including Python, Node, Ruby, Java, and more. Meanwhile, for developers, tutorials, samples, and references are available.


5. Bandwidth

Extend your app’s user experience by integrating Bandwidth programmable voice call SDK. This API allows inbound and outbound communications facilities without requiring dedicated infrastructure. Furthermore, this API can be integrated into multiple programming languages, which makes it easy for developers in terms of flexibility. With a global IP network, enjoy international calls in 60+ countries. Meanwhile, there are several calling features to enhance the overall experience.

bandwidth voice call api

6. Sinch

With Sinch, build seamless voice communications in a real-time scenario. This voice chat API comes with a high-quality audio facility with interruption-less connections. Moreover, the availability of tool scalability allows you to make voice call applications as per your business goals and objectives. With cross-platform support for PSTN, VoIP, and SIP networks, you can target customers of all types.



Extending voice call functionality to a whole new level, is a top-notch voice calling API. As the name suggests, this API provides Dolby Voice with crystal clear sound and extraordinary audio support. With the availability of spatial audio, experience productive communication with natural sounds. Meanwhile, developers can customize the attributes of a voice call app, depending on their needs. With developer resources, the integration process becomes easier.

dolby voice call api

8. Plivo

Plivo is a famous voice API platform allowing businesses to integrate ready-made voice chat features into their existing applications. This voice call SDK comes with conference calls, voice alerts, voice mail, and more. Meanwhile, this API is backed by PSTN and SIP gateway, allowing users to connect globally. Moreover, you can use Plivo for browser SDK and mobile SDK integrations.

plivo voice call api

9. MessageBird

Using MessageBird, set up a voice calling facility with confidence. After all, this Voice Call SDK offers precise, reliable, and accurate voice chats for establishing meaningful connections. Moreover, VoIP to PSTN connections is available, allowing users to connect globally through SIP Trunking. With the availability of masked call features, anonymous calls can be made within customer and employee communication.

messagebird voice call api

10. Agora

Make meaningful collaborations with people around the globe using Agora voice call API. With this API/SDK, you can effectively enhance your app’s engagement and connectivity through real-time voice interactions. In addition, users can participate in group audio chats or one-on-one calls. Furthermore, a 48 kHz sampling rate ensures clear natural sound. With cross-platform support, this communication API is a one-stop solution.

agora voice call api


Voice communication is a great way to interact with people worldwide. For this purpose, many voice-calling applications are available on the internet for users. Apparently, this article has discussed 10 widely used voice chat API platforms to build voice call applications in a quick time while acquiring fewer resources. 

We recommend you use the voice-call API offered by ZEGOCLOUD, the industry-leading choice due to its extraordinary features and support. Moreover, this voice-calling API provides ultra-low latency and allows you to create an application that can handle 10,000 users per audio call. 

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