Whois JSON API

Whois JSON API

Effortlessly retrieve accurate WHOIS details for any domain with our REST API. Perform bulk WHOIS queries and check URL availability in real time, all in a structured JSON format for seamless integration into your applications.

Visit
All-time revenue
$45,846

Ranked #832 on TrustMRR

MRR
$1,245

24 active subscriptions

Founder
smallseoAskar

240 followers on ๐•

Founded
November 2021
USUnited States

Revenue is verified withStripeStripe API key.Last updated: Sep 17, 2026, 03:09 PM

Startup insights
Value proposition

Get structured domain data from one REST API: WHOIS and RDAP records, live DNS answers grouped by type, bulk WHOIS lookups, and real-time domain availability checks for modern security, monitoring, and domain workflows.

Problem solved

Simplifies access to domain data through a single API, enabling security monitoring, domain operations, and risk analysis.

Audience

Developers and companies working with domain data

Pricing

Basic: $49/mo, Premium: $129/mo, Enterprise: $299/mo

Domain Rating

25/100

whoisjsonapi.com

Ahrefs Domain Rating measures backlink profile strength on a 0 to 100 logarithmic scale.

Tech stack

Backend

Tap to view

Product updates