Voice calling plays a crucial role in personal and professional communication. Be it a friendly conversation among classmates or a business deal between companies – voice calling has been the most easy, convenient, and affordable way to communicate for decades. Thus, communication corporations and developers have brought in innovative ways to integrate their Application Programming Interfaces (APIs) and invent newer ways of voice communication.
What is Voice API?
Voice API is referred to as a tool that allows software developers to integrate calling features using an Application Programming Interface (API). Developers build a chat app with voice functionality and Voice APIs let these apps make and receive phone calls acting as a bridge to PSTN (Public Switched Telephone Network).
These voice APIs are highly flexible for developers as they simplify the app's design and development by saving money and time. APIs are considered to be the most simplified way to connect any infrastructure through cloud-native app development, wherein they also permit the developers to share their data with other external sources.
The four main standards of measuring a good Voice Chat API:
API features : Every API may have a unique feature or offering. However, to build voice chat for android, iOS & the web, developers need to analyze their requirements. The basic agenda is to integrate a voice API that allows to develop a calling functionality that covers all types of users on any device, over numerous networks, anywhere in the world.
Popularity :A competent Voice chat API gives developers programmatic control over calls and enables them to build call logic and VoIP functionality. But the level of popularity and the number of users can only indicate the efficiency of a voice API.
Price : Affordability is also a key factor that distinguishes the best voice API providers. Live voice chat APIs can offer a lot of functionality, but they are only accessible by enterprises if they are cost-effective.
Ease of Use : Developers can integrate voice calling APIs with CRM, Helpdesk, Apps, and many other mobile and web platforms, but this integration needs to be easy and adaptable. Therefore, ensure ease of use while reviewing and selecting the best voice calling API for app developers.
List of Top 10 Voice APIs Providers for Android ,iOS and Web Apps
Twilio API
EnableX API
MessageBird API
Sinch API
Siri API
Google Cloud Speech API
Viber API
World’s Leading Voice Call API & SDK Providers In the Market for Your In-app Voice Calling
1. CONTUS MirrorFly Voice Chat API
Visit Website : MirrorFly.com
CONTUS MirrorFly voice calling solution is a customizable communication APIs and SDKs. It allows enterprises to develop and integrate easy communication systems on Android, iOS, and Web applications. CONTUS MirrorFly voice chat APIs have hundreds of collaboration features with scalable options that support billion + concurrent users to communicate at the same time.
Voice API Features
100% Customizable
Unlimited Calling
SIP/VoIP Calling
Voice Recording
Call Queuing & Routing
Audio Encryption
Multi-User Interface
Call Barging
Popularity - Extremely popular with Billion + concurrent users
Price - One time license cost (Custom Quotes)
Ease of Use : Very Easy
2. Plivo Voice Chat API
Visit Website : Plivo.com
Plivo is a cloud communication platform that offers voice API solutions for enterprises to build powerful voice call workflows and scale business communications. pilvo’s APIs and SDKs can be instantly integrated into voice chat applications. Plivo has over 1600 local carrier networks delivering reliable connectivity in over 195 countries.
Voice API Features
Conference Call
Voice Alerts & Surveys
Voicemail Transcription
Scalable Cloud IVR
Call forwarding
SIP Gateway & Devices
Dynamic Caller ID
Multi-Party Calls
Popularity - 100,000 businesses
Price - With pay-as-you-go pricing with free but limited usage.
Ease of Use : Easy
3. Vonage Voice Chat API
Visit Website : Vonage.com
Vonage APIs enables enterprises to build best-in-class communications solutions. Vonage APIs are structured on a global platform and offer an all-inclusive suite of communications channels and expert support. Vonage allows developers and tech enterprises to construct and launch communication services from scratch.
Voice API Features
Call Recording & Analytics
Unlimited US Calls
Carrier-Grade Performance
Support Team & End-To-End Assistance
Solution Consulting & Project Scoping
Popularity - 1.1 billion subscribers
Price - Prices starting from € 0.0040 /minute Global IP Call
Ease of Use : Easy
4. Twilio Voice Chat API
Visit Wesite : Twilio.com
Twilio's programmable voice API offering calling facilities across the world. With REST API developers can integrate voice chat functionality that allows users to make, receive, monitor, and modify calls along with query metadata about calls that were created.
Voice API Features
Set Up SIP
Natural Language Understanding
Insights & Reporting
Retrieve Call Logs
Modify In-Progress Calls
Detect Answering Machines
Popularity - 1 million developers
Price - Free with limited usage
Ease of Use : Easy
5. EnableX Voice Chat API
EnableX API is a voice messaging platform that offers developers to embed real-time, high-quality, and interactive voice calling on applications built for Web, iOS, and Android applications.
Voice API Features
Make calls to a SIP/PSTN using REST API
Receive calls on EnableX Voice server
Use Webhook & Initiate Additional Actions
Bridge & Broadcast Calls
Play Custom IVR
Collect User Response Over DTMF
Send Text-To-Speech Messages In 40 Languages
Popularity - Significantly Popular
Price - Starting at $0.0024/Min to receive and $0.0127/Min to make a call
Ease of Use : Easy
6. MessageBird Voice Chat API
MessageBird is a communications platform-as-a-service (CPaaS) company. MessageBird reforms and streamlines the overcomplicated space of customer communication. MessageBird’s Voice Messaging API permits users to transform texts into voice messages to any country.
Voice API Features
Make & Receive Calls
Decentralised Call Centres
Use of Interactive Voice Response
Cloud Telephony
Text to Speech
Popularity - 15,000 users
Price - Free and varying paid plans from $50 to customized quotes
Ease of Use : Easy
7. Sinch Voice Chat API
Sinch is a company that makes all types of communications APIs. Sinch provides developers an easy and effective way to add voice chat functionality into the apps. It lets developers integrate voice messaging into any type of platform in minutes with a few lines of code
Voice API Features
Conference calling
Call recording
Answering machine detection
IVR menus
Voice-based IVR (Open Beta)
Recorded prompts
Text-to-speech
Popularity - 5 billion consumers
Price - Customised quotes for inbound calls & outbound calls starting at *$0.0244
Ease of Use : Easy
8. Siri Voice Chat API
Siri API or a SiriKit is the intended UI framework that enables developers to implement app extensions that integrate the chat system. Developers can integrate voice assistant functionality into third-party apps that they have built and send voice messages on calls or authenticated transactions.
Voice API Features
Add Intelligent Voice Assistance
Offer AI Assistance
Replies Smart Answers to Users
Make Voice Queries
Perform Voice-Related Tasks
Popularity - 3 million users
Price - Free and varying paid plans from $4.99 to $99.99 per month
Ease of Use : Easy
9. Google Cloud Speech API
Google Cloud Speech APIs allows easy integration of Google speech recognition technologies into applications and messaging systems built by developers. With Google Cloud Speech APIs, developers can translate from audio to text and apply powerful neural network models.
Voice API Features
Convert Audio to Text Messages
Uses Neural Network Models
Recognizes 80 Plus Languages & Variants
Supports A Global User Base
Popularity - Millions of users
Price - Free but limited usage
Ease of Use : Easy
10. Viber Voice Chat API
Viber REST API is a bot platform that is open and free for usage. Programmers create bots in an ecosystem that allows users to share text, voice, and video messages with other Viber users available in the contacts. Viber REST API can also be used on third-party websites and social media channels using a deep-link.
Voice API Features
Smart Notifications
Shift Between Conversations
Block / Unblock Contacts
Turn off Notifications & Status
Change Wi-Fi Sleep Policy
Popularity - 260 million monthly users
Price - Free
Ease of Use : Easy
Wrapping Up!
However, the above provided list of voice chat API and SDK providers are the few top one's from the ocean of many. Still have tried to cover all the details of them to get you a better clarity with the outcome. Now, you must have got a view as to who are the approachable voice chat API providers in the market to build your voice calling app.
Now, the ball is in your court and as these voice API are meant especially for developers, it’s up to you as to what to go for to build your voice chat app - something from scratch or a ready-made voice chat APIs. Whatever be the case, the decision is yours, and we are here to support you with more clarity and guidance if you ever need it.
Good Luck!
