Mark Lewin

Vonage Team Member

Former technical writer at Vonage. Loves playing with and documenting APIs.

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Add 2FA to your Application with the Verify API and Golang SDK

This post shows you how to implement 2FA in your Go web applications using the Verify API by building a sample site which requires you to register ...

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Mar 16, 2021

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How to Add Two-Factor Authentication (2FA) Using Java and Spark

In this tutorial you'll see how to quickly add two factor authentication (2FA) to your Java application using the Vonage Verify API and Spark.

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Aug 18, 2020

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Transcribe a Conference Call Using Amazon Transcribe and Vonage

Automatically transcribing a conference call is easier now than it's ever been. We created a demo that shows how to do this with Amazon Transcribe.

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Aug 26, 2019

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Play an Audio File Into a Voice Call with Java and Spark

This tutorial shows you how to stream audio into a call using the Nexmo Voice API.

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Aug 02, 2019

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Receiving SMS Delivery Receipts with Java and Spark

Many networks that Nexmo uses to carry your message will provide a delivery receipt. Here's how to get set up to receive them using Java and Spark.

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Jul 26, 2019

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Receiving SMS Delivery Receipts with Python

This post will show you how to request a delivery receipt and configure your Nexmo account to use it with Python and Flask.

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Jun 03, 2019

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Receive an SMS with Python

In this post, we'll show you how to receive SMS messages on your Nexmo virtual number with Python and the Flask framework.

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May 31, 2019

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Build a Conference Call System with Python

Learn how to connect multiple parties to the same conference call in Python using the Vonage Voice API and the Flask framework.

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May 29, 2019

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Forward a Call via Voice Proxy with PHP

Using a voice proxy can help you to hide a caller's identity. Find out how to build one using the Nexmo Voice API and PHP.

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May 15, 2019

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Stream Audio into a Phone Call with Node.js

In this blog post you will learn how to play an audio file into an active call programmatically, using the Vonage Voice API and Node.js.

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Jan 30, 2019

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Nexmo Welcomes Mark Lewin to the Developer Relations Team

Hi, I’m Mark Lewin, and I joined the Developer Relations team here at Nexmo as a technical writer back in September. I’ve been in the IT industry f...

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Dec 06, 2018