Voice API

Call API

Call API is the smartest way to make a call
from your app.


call api - exotel
call api from exotel

Why use Call API?

Voice is the best way to communicate with your customer. It is personal, quick and above all, human. Leveraging voice communication has now become simple. You can keep a track of conversations for greater customer insights using voice.

Craft Call Experiences With Exotel

With Exotel, you can make voice the face of your company’s communication. You can build call flows that programmatically decide the way your customers get to experience calls. Control, customize and change the way you interact with your customer using Exotel’s REST APIs.

Advantages of Using Exotel’s REST APIs

Our REST APIs are designed to give your existing app and website Voice in a matter of minutes. Build high-quality communications apps in the cloud. Scale without limits. Using our REST APIs you can:


Direct your Customers to an Automated App:

Greet your customer by connecting them to a pre-recorded voice via our Call API. Remove the need for manual efforts and connect it to an employee only when necessary.


Connect Your Customers and Your Team:

Give your callers options to navigate. Depending on what your customer needs, he can get connected to the right person in no time!

How Our Customers Use Our Voice API

Ola uses Voice API to connect drivers to customers

Read More


RedBus uses Exotel to automate cancellations

Read More

Babajob empowers job seekers to search for jobs using Exotel smart IVR

Read More

What Our Customers Have to Say

Chirag Patel

Exotel's API documentation and implementation process is extremely simple and easy to follow. There were no hassles in setting it up. We use other cloud telephony platforms as well but Exotel gets a big thumbs-up from us for their ease of use.

Engineering Manager, 1mg

Shashank ND

We have worked across cloud telephony players and with other vendors, but the fact is Exotel is dependable.

Co-Founder & CEO, Practo

Prateek Jain

The number masking feature has been a very worthy addition to making our customer experience even better.

Former Associate Director - Driver Experience, Olacabs

Kumar Vinod

We used to use a traditional PBX system before. But that doesn’t have the capabilities of Exotel’s IVR system. So, we decided to use Exotel for our IVR cancellation system.

Senior Manager - Operations, redBus


Exotel's automated calls have helped in increasing our service levels and reducing our costs since there is no need for any manual intervention.

Senior Manager - Operations and Strategy

Praveen Kumar

Exotel's APIs are very clearly defined. Our tech team could integrate them in no time. It’s easy to incorporate into any product.

Assistant Vice President, Quikr Services

Satish Chugh

Very supportive and understanding staff who have lived up to every expectation, and at times exceeded them too.

Senior Manager- Last Mile Design, Ekart


View All Customers

Try Exotel

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The Exotel Advantage

Why Exotel is considered as the most reliable cloud communications company in India and Southeast Asia


Highly Secure

ISO 27001:2013 certified information security management system


Patented Solutions

Gain competitive advantage from patented products


Superior Quality

Best success rates, voice quality and reduced latency


Scale at Ease

Grow at will, expand without worrying about infrastructure


Superior Reliability

Best in class uptimes of 99.94% including operator uptimes


Best Support

18×7 customer support via phone, email and Twitter

E-book: Guide to set up a cloud call center

One of the most common questions we get asked by our customers is – how can I set up a simple call center? Is cloud telephony my best bet? How long will it take & how much does it cost? We answered these questions in detail in this ebook.



Find out how Exotel can work for you. Set up a call.

We take away some of the biggest pain points of traditional systems like EPABX.



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