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
$46,904

Ranked #937 on TrustMRR

MRR
$1,196

23 active subscriptions

Founder
smallseoAskar

240 followers on 𝕏

Founded
November 2021
USUnited States

Revenue is verified withStripeStripe API key.Last updated: Oct 20, 2026, 09:02 AM

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

23/100

whoisjsonapi.com

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

Tech stack

Backend

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