Have I Been Pwned
FreemiumLiveLast verified 24 Sept 2026
Checks passwords against breach data (k-anonymity, no key) and looks up known data-breach exposure by domain.
Example request
curl -s 'https://api.pwnedpasswords.com/range/5BAA6'
Free tier, in plain English
Pwned Passwords (k-anonymity hash-range search) is free and needs no key; breach/paste/domain search by email requires a paid subscription key.
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