APIActive

Whose.Domains Developer API

Free RESTful API for domain research with WHOIS, DNS, scoring, history and bulk lookups.

Open source page

Field note

What it does

Programmatic access to WHOIS data, DNS records, domain health scoring, WHOIS history, related domain discovery, and bulk search with JSON responses.

Capabilities

Available capabilities

Tags

Tags

Ways to use it

Ways to use it

rest

Not filed / https://whose.domains/api-docs

rest

Not filed / https://whose.domains/api-docs

rest

Not filed / https://whose.domains/api-docs

Product features

Product features

About Top-Level Domains

Country-Code TLDs (ccTLD)

Frequently Asked Questions

Generic TLDs (gTLD)

How can I look up WHOIS for a TLD?

How many top-level domains exist?

Infrastructure TLD

Sponsored TLDs (sTLD)

Top-Level Domains

What is the difference between a gTLD and a ccTLD?

Which TLD is best for SEO?

Who manages TLDs and what is ICANN?