Voice Calling API Features

Quality and clarity

Ensures optimal clarity with a 48 kHz sampling rate and full-sound bandwidth capture for HD audio quality up to 192kbps.

Recording

Record live audio events in the cloud or on premises. You control the audio format, location for storage, and voice quality.

Seamless audio

Agora’s proprietary algorithms ensure consistent high-quality audio, even under very challenging network conditions.

AI-powered noise suppression

Enable distraction-free live streaming and conversations with AI Noise Suppression, the platform adapts to variant acoustic conditions to remove distractions.

3D Spatial Audio

Enable 3D Spatial Audio to provide an immersive and natural audio experience that makes users feel like they are in the same room.

Real-Time Speech to Text

Securely and accurately transcribe and record audio in real-time and organize recordings and transcripts to speed up workflows.

Get dedicated expert help when you need it

Experience greater scalability, performance and operational efficiency — from 1:1 consultation, issue classification, to strategic production escalation and more, we’ve got you covered. Our dedicated team of experts is committed to delivering an unparalleled support experience.

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Your vision, unrestricted.

With Interactive Whiteboard, you can build a collaborative app fast—with custom branding and full of features. Our platform makes it easy to create a customized and engaging learning environment.

Flexible APIs support custom branding and extensive digital whiteboard features.
Easily integrate real-time voice and video calling, interactive streaming and signaling.
Save users’ bandwidth by preloading, sharing, and annotating files, and retain all the dynamic content.

And have peace of mind with HIPAA, GDPR, and CCPA compliance.

Integrate voice calling into any online experience

Embedding real-time audio chat within your application enables users to connect in more meaningful ways, from anywhere in the world.

Create a fully customized live voice chat experience

Flexible cross-platform SDKs give you full control over the experiences you create so you can differentiate your live voice chat app.

Create a fully customized live voice chat experience

Eliminate lag and stutter

The world’s largest global real-time network provides ultra-low latency and intelligent routing to deliver the best streaming audio experience to your users, no matter where they are located.

Eliminate lag and stutter

Easily add advanced audio enhancement features

Easily add audio enhancements like AI Noise Suppression and 3D Spatial Audio to provide an immersive voice experience. Use Real-Time Speech to Text to provide live audio captioning and transcription.

Agora Media Services

Recording

Record audio streams, video streams and web pages for archive, review, or distribution.

Cloud Recording Documentation

On-Premise Recording Documentation

Webpage Recording Documentation

Media Gateway

Directly push media streams into Agora voice and video channels using the RTMP/SRT protocol and enable advanced transcoding processing on media streams to facilitate distribution.

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Media Pull

Add additional engagement to your Agora sessions by pulling live or recorded video and audio content and ingesting directly into your Agora channel.

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Media Push

Expand your audience with hybrid engagement experiences by pushing audio and video streams from Agora channels to Content Delivery Networks (CDN).

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Real-Time Speech to Text

Enable the power of voice to create a better user experience with fast, accurate, automated transcription and subtitling services. Powered by cutting-edge AI that ensures the highest accuracy even with crosstalk and poor network conditions.

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Ship your voice calling app within hours

Your Code

Agora SDK

Customize your experience from the start with our flexible SDK.

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Your Code

Agora SDK

Build and integrate real-time video into your app with the most flexibility and customization using Agora's Video SDK.

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NO CODE

App Builder

Agora’s App Builder is the fastest and easiest way to real-time video into your product using our no-code visual designer.

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low code

Agora UI Kit

Add real-time video to your app with only a few lines of code using low-code UI Kit libraries.

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your code

Agora SDK

Customize your experience from the start with our flexible SDK.

Go to Docs

low code

Agora UI Kit

Integrate real-time communication and streaming using only a few lines of code with low-code UIKit libraries.

Go to Docs

Documentation

This project presents you a set of API examples to help you understand how to use Agora APIs.

Go to Docs

Activate the AI Noise Suppression extension on the Agora Console.

Activate the Voice Calling extension in the Agora Console.

your code

Agora SDK

Build and integrate Voice Calling with the most flexibility and full customization using Agora's Voice SDK.

Go to Docs

NO code

App Builder

Agora’s App Builder is the fastest and easiest way to add real-time voice chat, video chat, and live streaming into your product.

Go to Docs

your code

Agora SDK

Build and integrate real-time visual collaboration features into your application with the most flexibility and full customization using Agora's Interactive Whiteboard SDK.

Go to Docs

LOW code

Fastboard

Build real-time visual collaboration faster with a pre-built UI and the ability to include custom plug ins.

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Security, privacy and compliance

Agora is certified to the ISO/IEC 27001, 27017, 27018, 27701 and SOC 2 security standards and meets privacy regulations like GDPR, CCAP, COPPA, and HIPAA. Agora doesn’t collect or store any end-user data aside from Internet Protocol (IP) addresses and operational information necessary for providing our services.

ISO 27001:2022

ISO 27017:2015

ISO 27018:2019

ISO 27701:2019

HIPAA

GDPR

SOC2 Type1&2

CCPA

COPPA

Use cases

Real-time voice chat for any application

Agora’s Voice Calling API lets you integrate high-quality, stutter-free interactive online voice chat into your app and makes it easy to add new features like voice effects and 3D Spatial Audio, AI Noise Suppression, and active-speaker detection.

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A teacher holding books standing in front of a chalkboard.

Education

Make learning more accessible to students everywhere with virtual classrooms. Open up new opportunities for students worldwide by enabling live learning from any location— eliminating the barriers of physical distance.

Screenshot of a gamer playing an online strategy game.

Gaming

Enhance the gaming experience with voice chatting. Allow players to communicate seamlessly with teammates and opponents, strategize, and coordinate in real-time. Voice chat brings a dynamic and interactive element that enhances any multiplayer game.

Future of Work

Seamlessly integrate voice chat to improve work efficiency. By incorporating real-time voice communication into business applications, teams can collaborate seamlessly, exchange ideas, and resolve issues more quickly.

A woman on her mobile phone sending emojis to her friend.

Social

Make social apps more impactful with live voice chat. Enable users to engage and interact with real-time voice communication. Agora’s global network ensures flawless experiences without disruptions or delays, regardless of user location.

An influencer on a live shopping call showcasing a yellow sweater available for purchase.

Retail

Create new revenue streams through live interactive shopping experiences with our voice APIs, unlocking untapped opportunities. Seamlessly integrate voice communication into your e-commerce platform, enabling customers to interact in real-time while making buying decisions.

A doctor waving hello to her patient on a live video telehealth call.

IoT devices

Incorporate real-time voice calling into IoT devices, such as smart watches, smart speakers, doorbell cameras, smart TVs, and more—bringing convenience and communication to a wide range of smart products.

"Implementing Agora’s high-quality voice chat technology has helped to drive FRNZ’s bottom-line performance, allowing us to reach 200,000 monthly active users and 1.6 million app downloads globally."

Young-Jong Kim

CEO, FRNZ

"Our in-app purchase revenues began to multiply within months of implementing Agora’s video, voice, and chat technology. We’ve increased our revenue by 10x since we went live with these real-time engagement features."

Burcin Gumrah

CMO, VLMedia

App Builder

UI Kits

Flexible Classroom

Download SDKs

Support Plans and Pricing

Voice Calling

Voice Calling

Voice Calling API Features

Get dedicated expert help when you need it

Your vision, unrestricted.

See OpenAI's Realtime API in action

Integrate voice calling into any online experience

Create a fully customized live voice chat experience

Create a fully customized live voice chat experience

Eliminate lag and stutter

Eliminate lag and stutter

Easily add advanced audio enhancement features

Easily add advanced audio enhancement features

Recording options for:

Agora Media Services

Ship your voice calling app within hours

Quickstart guide

Ship your voice calling app within hours

Agora SDK

Agora SDK

App Builder

Agora UI Kit

Agora SDK

Agora UI Kit

Documentation

Agora SDK

App Builder

Agora SDK

Fastboard

Real-time voice chat for any application

Fastboard

Get started with 10,000 free minutes

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Developer Resources