Antideo is an API service that helps in identifying disposable/temporary email address, know spam or scam emails, email health, free or a company domain, IP health check, location detection and phone number validation services. Our clients are able to ensure that they are able to ensure the quality of their inbound leads from their online forms and their sales team spend their effort on the right leads
Truecaller - Find a person by a name or phone number worldwide for free using Truecaller.
Numverify - Global phone number validation and lookup API
CallerSmart - CallerSmart is an application that is basically used for the purpose of looking up mystery phone numbers for free.
RealValidito - Phone Validator | Free Phone Number Validation & Phone Number Lookup Service | Realvalidito
WhosCall - WhosCall is a reliable caller ID app whose popularity has led to its adoption by many users including international media. You can now manage the numbers calling you regardless of whether they are part of your contact list or not... read more.
NumValidate - Phone number validation REST API. Simple, Free, and Open Source.