Blooms Security
Security vulnerability information
Browse our collection of free security APIs. Each API includes detailed documentation, example requests, and usage guides. Click on any API to learn more.
crt.sh
Free Certificate Transparency log search. Query SSL/TLS certificate issuance history for any domain. Returns issuer, validity dates, and serial numbers. No API key needed.
FishFish
Security and threat intelligence
Have I Been Pwned
Check if passwords have been exposed in data breaches using k-anonymity. Your password never leaves your device. No API key needed.
National Vulnerability Database
US NIST vulnerability database
Portscan
Network port scanning service
UK Police Data
UK police data and crime statistics