Free and open source REST API that provides a simple yet effective way to validate and format a phone number.
Cost / License
- Freemium
- Open Source (Apache-2.0)
Platforms
- Software as a Service (SaaS)

numverify API is described as 'NumVerify offers a powerful and simple API for international and national phone number validation. Requests are made using a simple URL structure, and results are delivered in handy JSON format. Provide any phone number in any format, and our API will return an easy-to-integrate' and is an website in the development category. There are six alternatives to numverify API, not only websites but also apps for SaaS, Mac, Windows and Linux. The best numverify API alternative is NumValidate, which is both free and Open Source. Other great sites and apps similar to numverify API are RealValidito, Antideo, NumlookupAPI and Veriphone.
Free and open source REST API that provides a simple yet effective way to validate and format a phone number.

Free, real-time Phone Validator service. Check if the number is real and valid, mobile or landlines and find carrier & region details.




Antideo maintains large database with spam and scam records, IP locations and infected ranges, proxy records and many more. We are keeping our database updated regularly from various sources, as well as collecting some of the data ourselves.
Automate your phone number verification process by checking carrier information with our free and worldwide phone number lookup API.


The phone number verification API. Veriphone will parse, format and validate phone numbers for all countries/regions of the world.


Phone validation service. Carrier lookup. Identify disconnected numbers, landline or cell, caller ID.