Veriphone is described as 'Global phone number verification in a free, fast, reliable JSON API'. There are five alternatives to Veriphone for Online / Web-based, SaaS, Mac, Windows and Linux. The best alternative is Antideo, which is free. Other great apps like Veriphone are numverify API (Freemium), RealValidito (Free), NumValidate (Freemium, Open Source) and RealPhoneValidation (Paid).
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.
Real Validito identify Disconnected and Invalid Numbers Using Live Telco Data. Real Validito will help you to Verify a phone number instantly for free. Easy to use phone validator API or bulk phone validation.