There’s plenty to do with x and y

View in browser Lots of interesting approaches and new technologies to review It’s always fun to look at notes and create new tutorials—which is all part of our recent ‘how to do x-with-y’ language-specific posts. That’s why this month brings lots of interesting approaches and new technologies to review. The most recent [Developer Spotlight]( post details how XState—the popular state machine library for JavaScript—works in conjunction with our Voice API to create a modular Interactive Voice Response System. [Glitch]( makes a repeat appearance in a fully ‘remixable’ blog and creates a ‘check-in’ app with the excellent Koa.js. And read the latest post on [securing webhooks through message signing]( is a great approach to keep the bad actors out of your systems. Until next month, stay curious! [Martyn.png] Martyn Davies Developer Advocate Manager Nexmo, The Vonage API Platform Featured TUTORIAL [Building a Check-In App with Nexmo’s Verify API and Koa.js »]( [Build-a-Check-In-App_1200x675.jpg]( [This tutorial will take you through how to build a basic check-in app involving 2 parties with Nexmo's Verify API. Source code can be remixed from Glitch »]( Blog [Discover Your Twitter Positivity with React and Microsoft Azure »]( [Combine In-App Messaging and In-App Voice to Build an Omnichannel Contact Center »]( [Implement Trusted Group Authentication with SMS, Node.js and Express »]( [Using Message Signatures to Secure Incoming Webhooks »]( DEVELOPER SPOTLIGHT [Creating a Complex IVR System with Ease with XState »]( PARTNER SPOTLIGHT [Vonage and Freshworks Enhance Customer Experience Via Multichannel Communications »]( [Vonage Reinforces Its Position as Innovator in Programmable Business Communications With Strategic Partnership With Sendinblue »]( DOCS AND DEMOS UPDATE [Nexmo .NET Client SDK 4.0.0 is Ready for Installs »]( [Analyze Your Twitter Happiness with React, Microsoft Azure and Nexmo’s Messages API »]( [Passwordless Login with Rails 6 and Nexmo’s SMS API »]( [Validate Telephone Numbers with Python »]( RECOMMENDED RESOURCES [Check out all our demos and experiments on GitHub »]( [Get up to speed with our Client SDKs for In-App Voice and Messaging »]( [Our Audit API gives you programmatic access to your account activity »]( JOIN US AT... Brighton Ruby]()July 5 Brighton, UK [CommCon 2019]( July 7 - 11 Buckinghamshire, UK [Android Bangkok]( July 7 Singapore [Europython]( July 8 - 14 Basel, Switzerland Nexmo Events [Mid-Atlantic Developer Conference]()July 13 - 14Baltimore, Maryland [Droidcon Vietnam]()July 13Ho Chi Minh City, Vietnam [Droidcon Singapore]()July 17 - 18 Singapore [Nexmo Icon.png](#) Loved by Developers. Built for Business.™ [Nexmo Facebook]( [Nexmo Twitter]( [Nexmo LinkedIn.png]( [Nexmo Youtube]( Nexmo, The Vonage API Platform 501 2nd Street, Suite 310, San Francisco, CA 94107 | [Unsubscribe]( This email was sent to {EMAIL}. If you no longer wish to receive these emails you may [unsubscribe]( at any time.