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Knowledge Base

APIs

APIs

Learn more about the specificities of our APIs.

Which of our APIs provide live queries?

How can I update my subscription(s) on the API dashboard?

Do you have a script to hide my API key(s) when making queries?

Do your APIs integrate with enterprise security software?

Where can I find documentation for all your APIs?

I need faster API responses. Can you help?

Where can I check API statuses and response time?

Where can I find my API key?

FAQs on Paid API Subscriptions

APIs vs. Datafeeds: Which one is best for your company?

Why am I seeing a CAPTCHA request when using the API demo?

WHOIS API

What is WHOIS API?

Do you offer help to integrate WHOIS API?

Where can I find documentation for WHOIS API?

Why does the WHOIS Lookup API return different results than Bulk WHOIS API?

What is the difference between the _hardRefresh and preferFresh flags?

How old is the WHOIS record returned?

Why do I get inconsistent WHOIS record response?

How do I check if a domain is registered or not?

Are there any TLDs that you don't support?

See more

Whois History API

Is there a limit to the number of requests I can make via Whois History API?

DNS Lookup API

Why can't I get SRV records populated when querying domains with DNS Lookup API?

How does your DNS Lookup API work?

IP Geolocation API

Is there a limit to the number of requests I can make via IP Geolocation API?

Email Verification API

Why would email messages bounce though the API finds that the email address exists?

Domain Reputation API

What do these warning messages mean for Domain Reputation API?

Subdomain Lookup API

I notice that subdomain discovery results can vary significantly between providers. Why is that?

Reverse WHOIS API

Can I use your reverse WHOIS service with ServiceNow Security Operations?