Whois JSON API
Domain intelligence platform providing WHOIS/RDAP and live DNS data through developer APIs, with domain change monitoring capabilities.
#341 of 506 on our verified revenue leaderboard. Revenue verified by TrustMRR through Stripe (API key), synced 2026-11-04. Source.
We write free founder stories for startups with verified revenue. Tell your story or get it published within 7 days.
The problem Whois JSON API solves
Enables developers to query structured WHOIS/RDAP and DNS data, and monitor domain changes to stay informed about domain status and updates.
About 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.
Descriptions are provided by the founder on TrustMRR. Revenue figures are verified.
- Founder
- Askar Fuzaylov 🧢
- Founded
- 2021-11-02
- Country
- United States
- Payment provider
- Stripe (API key)
- Active subscriptions
- 22
- Pricing
- Basic: $49/month, Premium: $129/month, Enterprise: $299/month
- Who it is for
- Developers, small companies, and enterprise level companies working with domains
- Audience
- B2B
- Website
- whoisjsonapi.com
Which startups grew this week, verified. Free, every Tuesday.
More top Dev Tools startups
| # | Startup | MRR |
|---|---|---|
| 1 | Stop paying for bad data. 34 data products on one API key and one shared credit balance: validation, enrichmen Read the story → | $271,698 |
| 2 | Enterprise-grade ISP & residential proxies with unlimited bandwidth, 10Gbps speeds, and 99.9% uptime, built fo | $0 |
| 3 | Building products and teaching others how to ship. | $0 |
| 4 | The most fun and beginner-friendly way to learn to code. Read the story → | $81,214 |
| 5 | One API for OpenAI, Anthropic, Google, and 35+ providers. Stop juggling API keys and provider dashboards. Rout | $78,764 |
| 6 | Master data engineering and AI like a big tech engineer | $52,923 |
| 7 | Real-time access to every QuickBooks Desktop object via Python, Node.js/TypeScript, and REST. Read the story → | $46,211 |
| 8 | Receive your html contact form submissions directly in your email inbox using our contact form api service. No Read the story → | $43,988 |