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Public APIs · by APILayerData from public-apis (MIT)
  1. Home
  2. /Security
  3. /Domain Intelligence
Security
Domain Intelligence logo

Domain Intelligence

DNS, WHOIS/RDAP, SSL, subdomain enumeration, and email security in one parallel call.

Domain Intelligence API is a free Security API that requires apiKey authentication, is served over HTTPS and does not support CORS, so it should be called from a server.

Authentication
apiKey
HTTPS
Yes
CORS
No
Category
Security
Visit documentation ↗oti-labs.com

About Osiris Technical Institute

Free WHOIS API, DNS lookup, SSL inspection, subdomain enumeration & email security in one call. 1,000 free requests/mo, no credit card.

Provider
Osiris Technical Institute
Website
oti-labs.com ↗

Details from oti-labs.com.

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Domain Intelligence API alternatives

Dehash.lt logo

Dehash.lt

Hash decryption MD5, SHA1, SHA3, SHA256, SHA384, SHA512

No authHTTPSCORS ?
EmailRep logo

EmailRep

Email address threat and risk prediction

No authHTTPSCORS ?
D

dead-drop

Ephemeral zero-knowledge encrypted data sharing

No authHTTPSCORS
Escape logo

Escape

An API for escaping different kind of queries

No authHTTPSNo CORS
CSR.plus logo

CSR.plus

Generate certificate signing requests and private keys without OpenSSL

No authHTTPSCORS
FilterLists logo

FilterLists

Lists of filters for adblockers and firewalls

No authHTTPSCORS ?

Domain Intelligence API FAQ

Who provides the Domain Intelligence API?

The Domain Intelligence API is provided by Osiris Technical Institute (oti-labs.com). Free WHOIS API, DNS lookup, SSL inspection, subdomain enumeration & email security in one call. 1,000 free requests/mo, no credit card.

Is the Domain Intelligence API free?

Yes. The Domain Intelligence API is listed in the Security category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.

Does the Domain Intelligence API require an API key?

Yes. The Domain Intelligence API uses apiKey authentication, so you need to register for credentials before making requests.

Can I call the Domain Intelligence API from the browser?

Not directly. The Domain Intelligence API does not allow CORS, so call it from a server, serverless function or proxy instead of front-end JavaScript.

Does the Domain Intelligence API support HTTPS?

Yes. The Domain Intelligence API is served over HTTPS, so it's safe to use in production.