We provides Whois Lookup, Whois History, Reverse Whois Search and Bulk Whois Lookup APIs for any domain(s).
Our Products
Live Whois API provides well-parsed and structured information about domain names, including registration date, expiry date, registrar information, owner details, and host name server information, available in both JSON and XML formats. Live WHOIS Lookup fetches data in real time from WHOIS servers and RDAP to ensure the freshest results on every request, with no database dependency.
Product
The Bulk Whois Lookup API allows you to perform whois lookups for multiple domain names in a single query. Process 100 domains per request or upload files up to 3 million for live and historical WHOIS records, delivered as a CSV file via email.
Features
Seamlessly integrate valuable data and features into your platform.
Fetch real-time, accurate domain data using live WHOIS lookup by domain, IP, or ASN. We fetch details directly from live servers.
Email-based lookup in reverse whois search allows you to find all domains associated with a specific email address.
Access historical domain whois records using historical whois lookup from our comprehensive database.
Perform a reverse whois search to find domain ownership details linked to a specific company for threat mitigation.
Use WHOIS Reverse Search Lookup with WHOIS email search to retrieve ownership details for domain analysis.
Who owns a domain is no longer a limitation. Use our Live or Bulk WHOIS API to retrieve the ownership and registrar details.
Use WHOIS Reverse Search Lookup with WHOIS email search to retrieve ownership details for domain analysis.
Consistent, compressed data ensures efficient retrieval and optimizes storage and bandwidth.
Product
Access real-time WHOIS data across IP addresses and ASNs.
ASN Whois Lookup API
The ASN Whois Lookup API delivers information on Autonomous System Numbers used in internet routing. This includes details about ASN ownership, network infrastructure, organization details, and the range of IP addresses associated with the ASN.
IP Whois Lookup API
The IP Whois Lookup API provides detailed information about IP addresses, including registration data, contact details, routes, and network information. This API helps in identifying the ownership and allocation of IP addresses, which can be useful for network administration, cybersecurity, geolocation services, and fraud prevention.
Product
Explore our extensive WHOIS database covering 1500+ TLDs and nearly 3.5B unique historical WHOIS records. We also offer country-specific datasets for markets like the US and UK covering both .us/.uk domains and domains registered by owners located in the US or UK. Refine your research with precision by filtering results by registrar, TLD, country, and more.
Use Cases
See how our users leverage WHOIS data to gain actionable insights.
WhoisFreaks delivers reliable, up‑to‑date domain and website data to power CRM, marketing, and audience insights.
Bulk WHOIS Lookup helps manage your domain portfolio, with Live and Historical WHOIS API.
Our Reverse WHOIS service, powered by Live and Historical WHOIS API, helps uncover hidden data, and enhance threat.
Protect and monitor your brand and intellectual property with our real-time WHOIS API and Bulk WHOIS Lookup.
Bulk WHOIS Lookup reveals competitor domains information helping analyze portfolios and marketing strategies.
WHOIS History Lookup supports domain or business due diligence by revealing ownership, history, and expiry details.
Integrate our WHOIS APIs now to power your threat intelligence, access real-time and historical domain data, and make smarter security decisions.
To search for email addresses using regex in reverse WHOIS, use the 'email' parameter with regex patterns. The 'email' parameter supports:
Note: Regex matching is only available for email addresses. For keywords, owner/registrant names, or company names, use the optional parameter exact set to 'false', or omit it as it defaults to 'false'.
Yes, we have rate limiting on requests being made on all of our paid plans. The requests limit is shown in the following table.
The Table is divided into three types of plans:
| Credits | Live-rpm | Bulk-rpm | Historical/Reverse-rpm |
|---|---|---|---|
| 5000 | 20 | 8 | 3 |
| 15000 | 35 | 12 | 5 |
| 50000 | 80 | 20 | 10 |
| 150000 | 120 | 25 | 15 |
| 450000 | 150 | 35 | 20 |
| 1000000 | 200 | 50 | 25 |
| 3000000 | 300 | 70 | 35 |
| Credits | Live-rpm | Bulk-rpm | Historical/Reverse-rpm |
|---|---|---|---|
| 5000 | 20 | 8 | 3 |
| 15000 | 35 | 12 | 5 |
| 50000 | 80 | 20 | 10 |
| 150000 | 120 | 25 | 15 |
| 450000 | 150 | 35 | 20 |
| 1000000 | 200 | 50 | 25 |
| 3000000 | 300 | 70 | 35 |
In case, the request per minute exceeds, it'll throw an error with HTTP error code of 429.