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Domain WHOIS API
Free domain lookup — RDAP, no API key needed
Look up any domain instantly with the Domain WHOIS API. Get registrar, creation date, expiration date, nameservers, and status — all in clean JSON. Uses RDAP protocol (RFC 7480). Supportscom,net,org,io and 10+ TLDs. Free tier: 5,000 requests/month. No API key. No registration. One GET request. Built on FastAPI. Runs 24/7. 9.2 rating on RapidAPI.
Built this after dealing with clunky WHOIS CLIs and paywalled domain lookup tools. RDAP is faster and cleaner than old WHOIS — but there weren't any free APIs for it.
Now at 9.2 stars on RapidAPI with thousands of monthly users. Adding bulk domain lookup next. Open to feedback!
About Domain WHOIS API on Product Hunt
“Free domain lookup — RDAP, no API key needed”
Domain WHOIS API was submitted on Product Hunt and earned 3 upvotes and 1 comments, placing #158 on the daily leaderboard. Look up any domain instantly with the Domain WHOIS API. Get registrar, creation date, expiration date, nameservers, and status — all in clean JSON. Uses RDAP protocol (RFC 7480). Supportscom,net,org,io and 10+ TLDs. Free tier: 5,000 requests/month. No API key. No registration. One GET request. Built on FastAPI. Runs 24/7. 9.2 rating on RapidAPI.
On the analytics side, Domain WHOIS API competes within API, Open Source and Developer Tools — topics that collectively have 684.7k followers on Product Hunt. The dashboard above tracks how Domain WHOIS API performed against the three products that launched closest to it on the same day.
Who hunted Domain WHOIS API?
Domain WHOIS API was hunted by gia ly bui. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Domain WHOIS API including community comment highlights and product details, visit the product overview.
gia ly bui