Security
apiKeyHTTPSCORS ?
Security
Censys
Search engine for Internet connected host and devices.
Censys 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 ↗search.censys.io
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Censys API alternatives
CISA Known Exploited Vulnerabilities
CISA KEV catalog of actively exploited CVEs as JSON, filterable by vendor, with CWE and due dates
apiKeyHTTPSCORS ?
apiKeyHTTPSCORS
Classify
Encrypting & decrypting text messages
No authHTTPSCORS
OAuthHTTPSCORS ?
apiKeyHTTPSCORS
Censys API FAQ
Is the Censys API free?
Yes. The Censys 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 Censys API require an API key?
Yes. The Censys API uses apiKey authentication, so you need to register for credentials before making requests.
Can I call the Censys API from the browser?
Not directly. The Censys API does not allow CORS, so call it from a server, serverless function or proxy instead of front-end JavaScript.
Does the Censys API support HTTPS?
Yes. The Censys API is served over HTTPS, so it's safe to use in production.