Tutorials

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

Getting Started with Nexmo Number Insight APIs and ASP.NET

Detailed tutorial on how you can get real-time intelligence about a phone number using ASP.NET and Nexmo Number Insight APIs.

● dotnet

Number Insight

Validate a number

Use the Number Insight and Developer API from Ruby code to validate, sanitize and determine the cost to call or message a number.

● Ruby

Number Insight

Number Insight Advanced API Async

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

● Node

Number Insight

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 organisation against fraudulent transactions while making the process frictionless for most customers.

● Node