Use Cases

Get started with tutorials that will walk you through building a variety of practical applications



Call a Websocket with Node.js

In this tutorial, you will learn how to connect a call to a websocket endpoint that echoes the call audio back to the caller.

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Node

Digital Marketplace

How to build your own digital marketplace application.

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Node

Fraud Scoring and Phone Number Verification

You can use the Number Insight Advanced and Verify APIs together to build your own fraud detection system. With this approach, you can protect your organization against fraudulent transactions while making the process frictionless for most customers.

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Node

Add a Call whisper to an inbound call

Phone numbers are everywhere in advertising: on billboards, in TV ads, on websites, in newspapers. Often these numbers all redirect to the same call center, where an agent needs to inquire why the person is calling, and where they saw the advert. Call Whispers make this so much simpler.

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Node

Contact Center

How to build your own contact center application.

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Node

Click to Call

Learn how to enable your customers to call you directly from your website.

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Node

Voice Bot

This tutorial shows you how to use Automatic Speech Recognition to create a voice bot/interactive voice assistant application.

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Node

Order support system

How to build a product order confirmation and support system with Nexmo Client SDK and Sendinblue.

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Node

Private SMS communication

This tutorial shows you how to faciliate SMS communication between two parties without revealing either one's real phone number to the other.

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Node

Private voice communication

Protect user's number privacy by connecting users together for private voice communication.

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Node

Call tracking

Keep track of which campaigns are working well by using different numbers for each one and tracking the incoming calls. This tutorial shows you how to handle incoming calls, connect them to another number, and track the phone numbers that called each of your Nexmo numbers.

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Node

Receiving Concatenated SMS

If an inbound SMS exceeds the maximum length allowed for a single SMS, it is split into parts. It is then up to you to reassemble those parts to show the full message. This tutorial shows you how.

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Node

Number Insight Advanced API

Learn how to access comprehensive information about the validity and reachability of a number.

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Node

Transcribe a recorded call with Amazon Transcribe

This tutorial shows you how to use the Amazon Transcribe API to transcribe a phone conversation recorded with the Nexmo Voice API.

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Node