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)

Veriphone is described as 'The phone number verification API. Veriphone will parse, format and validate phone numbers for all countries/regions of the world' and is an app. There are six alternatives to Veriphone for Web-based, SaaS, Mac, Windows and Linux. The best Veriphone alternative is NumValidate, which is both free and Open Source. Other great apps like Veriphone are RealValidito, Numverify API, Antideo and NumlookupAPI.
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.




Global phone number validation API delivering accurate carrier, line type, country, and location data in secure JSON format. Supports 232 countries, batch validation, and real-time processing. Enables fraud prevention and integrates with web forms and business platforms.

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.


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