WHOIS Domain
A fast and reliable WHOIS Domain API built on Cloudflare Workers. Features: - Domain WHOIS lookups using the modern RDAP protocol - DNS records query (A, AAAA, MX, NS, TXT, CNAME) via Cloudflare DNS-over-HTTPS - Domain availability check - List all RDAP-supported TLDs Returns registrar info, registration/expiration dates, nameservers, DNSSEC status, and more. Built-in caching for optimal…
3 subscribers
5 endpoints
The in-depth APIMemo review for this API hasn't been published yet —
the data below comes straight from the public marketplace listing.
WHOIS Domain endpoints
| Method | Endpoint | Description |
|---|---|---|
| lookup | ||
| GET |
lookupDomain /lookup |
|
| dns | ||
| GET |
dnsLookup /dns |
Query A, AAAA, MX, NS, TXT, and CNAME records via Cloudflare DoH |
| availability | ||
| GET |
checkAvailability /availability |
Queries RDAP to check if a domain is registered. If not found, it is potentially available. |
| tld-list | ||
| GET |
getTldList /tld-list |
Returns all TLDs that have RDAP support according to IANA bootstrap data. |
| Other endpoints | ||
| GET |
getApiInfo / |
|
WHOIS Domain pricing
| Plan | Price | Rate limit | Quotas |
|---|---|---|---|
| BASIC | Free | — |
|
| PRO | $5.99 / month | — |
|
| ULTRA | $14.99 / month | — |
|
| MEGA | $49.99 / month | — |
|
