Check if a domain is available. 10,000 free requests including domain availability checks. Returns WHOIS data including expiration dates.

Easily check if a certain e-mail address is valid. Is it a valid domain? Is the e-mail a temporary/disposable e-mail? That's a common indicator of spamming/trolling, so now there's an API for you so you can easily block it!

Instant domain search. Documentation available at https://domainr.com/docs/api

Free IP Geo Location API with 100% accurate geo information of IP address or Domain name like city latitude, longitude, zipcode, state/province, country, country codes, country flag, currency, dialing code. timezone, total number of cities & states/province in country, continent code, continent name and many more details in JSON format. You can also test our API online by this IP lookup tool: https://ipworld.info/iplocator

Bulk WHOIS API. Parsed to JSON. All TLDs supported. Online since 2016.