Num verify is the best solution for you. For domestic and international mobile number validation and information search, NumVerify provides a complete yet simple RESTful JSON API for a sum of 232 nations around the world. It is one of the affordable numbers API. It also provides advanced features such as carrier & line type detection, validation of the advanced phone numbers using the latest international numbering plans, and location lookup. Visit https://numverify.com/ and get access to the best phone verification API
Integrating the numverify API into your application will enable you to verify the validity of phone numbers at the point of entry, protecting you from fraud and increasing good leads.