Phone validation APIs are a key element in any business that needs to capture and use contact information such as when registering for services, Verify phone numbers in real-time using API in to accounts or conducting financial transactions. They ensure that customers are providing accurate phone numbers that are valid and active so they can be contacted, which leads to better data quality and enhanced customer experiences. For some industries, it’s also a regulatory requirement.

There are several options for phone number lookup APIs, but only a few offer real-time validation of numbers, global coverage and easy integration. In this article, we review seven of the best phone number verification solutions in 2024 to help you choose one that fits your needs.

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D7 Networks offers a reliable and affordable service that lets you validate phone numbers in real-time using an API. Their robust platform combines multiple internal and external data sources to improve the accuracy of your contact database. It standardizes numbers in national and international formats, verifies if they are valid and active, and retrieves important details including carrier information, line type, prepaid status, and more.

Numverify offers a free trial for new users, allowing them to test the waters of their phone number lookup and verification API. Their RESTful JSON API dives into databases covering 232 countries and delivers results instantly. The service is also backed by world-class tech support and interactive documentation.

Experian’s Phone Validation is a powerful tool that works in real time, ensuring that your contact list only includes verified and valid numbers. It allows you to quickly upload a large set of phone numbers and run them through a process that checks them for errors, determines their country code, detects cell phones or landlines, and verifies whether they are active or disconnected.