MailboxValidator Email Validation Service is an easy to use email list cleaning service. It checks for the mailbox existence which will reduce bounce rate & increases conversion rate. You can upload your email list in a CSV format and just wait for the results, or integrate with the MailboxValidator API. Free 300 API credits given every month.

IP2Location IP Geolocation helps to identify geolocation information like country, region, city, latitude & longitude of city, ZIP code, time zone, connection speed, ISP, domain name, IDD country code, area code, weather station code and name, mobile carrier, elevation and usage type information.