Nexmo Number Insight API

Increase acquisition safely with phone number data

The Nexmo 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.

This API helps you to...

Keep your database up to date

By periodically validating the numbers in your customer database, you can be sure that customer numbers are still reachable, reducing delivery errors when running SMS or voice-based marketing campaigns.

Use the right channel

Validating information enables you to distinguish mobile from landline numbers  ensuring that you don’t try to send text messages to landlines if reaching out via SMS.

Minimize fraud

By asking your customer to provide a phone number  and then validating the legitimacy of that number  you can minimize fraud while ensuring that you have a way to contact that customer in the future.

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 Nexmo’s Number Insight API for analysis. Number Insight queries multiple information sources to validate and gather information about the number. Nexmo'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.

Benefits

Accurate information

Gives the full registered name of the number owner (available for US numbers only).

Superior coverage

Offers accurate operator information, identifying mobile numbers that have been ported.

Determines caller type

Shows if the number is a virtual number, mobile or landline.

What it costs

Type of request Price

Basic

Best for formatting numbers and displaying
them in local format

FREE

Standard

Best for identifying number type, deciding between
SMS and voice, and blocking virtual numbers

€ 0,005

Advanced

Best for determining risk

€ 0,030

 

All prices may be subject to change at any time.