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Domain intelligence

WhoisXML OSINT integration

Last-known WHOIS, reverse WHOIS, and reverse IP from Domain Research Suite.

WhoisXML Domain Research Suite returns the latest defined WHOIS fields (including values that are redacted on the live record), a history archive count, reverse WHOIS by email or registrant name, and domains hosted on an IP.

Try in SearchIn UIAPI reference
Capabilities
What this integration is designed to return.
Domain Info last-known WHOIS with redacted-now flags
WHOIS history record count without a 50-credit full dump
Reverse WHOIS by email or registrant name
Reverse IP: domains hosted on an IPv4 address
Best for
Typical investigation fits.
Recovering contacts that are redacted on live WHOIS
Mapping an email or name to a domain portfolio
Finding other hosts on the same IP

Supported inputs & pricing

Prices are USD. LeakRadar tiers include unlock ceilings; other integrations are flat per query.

WhoisXML SearchIn pricing by input type
Input typePrice
Emailemail$0.40
Domaindomain$0.60
Namename$0.40
IP addressip$0.50

How to access WhoisXML

Access via SearchIn UI
Run the integration without leaving the dashboard.
  1. Open SearchIn and choose Domain, Email, Name, or IP.
  2. Select WhoisXML as the provider.
  3. Review last-known WHOIS fields, history count, or the related domain list.

What you'll see

  • ·WHOIS card with last-known contacts and “now redacted” badges
  • ·Nameservers from Domain Info
  • ·History archive count
  • ·Reverse WHOIS and reverse-IP domain lists
Open with this integration
Access via API
Authenticate with x-api-key, then create a search job.

Use POST /v1/search with provider whoisxml. Poll GET /v1/search/{id} when status is running (FaceCheck).

curl -X POST "https://apiv1.osintverse.com/v1/search" \
  -H "Content-Type: application/json" \
  -H "x-api-key: ov_your_api_key" \
  -d '{"provider":"whoisxml","input_type":"domain","query":"example.com"}'
Create API keyFull API docs

Sample queries

domain
example.com
Last-known WHOIS + history count
email
[email protected]
Domains tied to an email
name
Alex Rivera
Domains tied to a registrant name
ip
203.0.113.10
Domains hosted on an IP

FAQ

How do I use WhoisXML in SearchIn?

Open SearchIn and choose Domain, Email, Name, or IP. Select WhoisXML as the provider. Review last-known WHOIS fields, history count, or the related domain list.

How do I call WhoisXML from the API?

Send POST /v1/search with provider: "whoisxml" and a supported input_type. Create an API key in the dashboard first.

What does it cost?

Email: $0.40. Domain: $0.60. Name: $0.40. IP address: $0.50.

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