Nexmo is now called Vonage, but there are still references to Nexmo in our URLs, code snippets and message templates.
Vonage's Number Insight API lets you identify billions of phone numbers around the world and determine the best way to reach your customers using fresher data from real-time sources. Increase acquisition, assess risk, prevent fraud and block fake accounts – all without relying on customer input.
How it works
You can validate numbers from any location in the world, so you can be sure you have accurate information regardless of where users are using your app. Your app can ask users to enter a phone number during registration or you can identify existing numbers in your customer database. Your application passes the phone number to Vonage's Number Insight API for analysis. Number Insight queries multiple information sources to validate and gather information about the number. Vonage's Number Insight returns information on the phone number to your application so you can remove unreachable numbers and identify valid numbers as mobile or landline.
