What are some alternatives?
When comparing Advanced Email Verifier and IP-API.com, you can also consider the following products
Email Verifier - Email verifier app lets you verify email.
ipdata.co - Get the Geolocation, Organisation, Currency, Timezone, Calling Code, Flag, Proxy, Tor and Threat intelligence data from any IPv4 or IPv6 address.
NoBounce Email List Cleaner - Email list validation & cleaning maximizes the efficiency of your email marketing campaigns and protects your email sender reputation.
IP2Location - IP2Location is a leading provider of IP intelligence service.
NeverBounce - Real-time email verification and cleaning to ensure emails never bounce.
ipgeolocation.io - Free IP Geolocation API and Accurate GeoIP Lookup Location Database