Have I Been Pwned

Check if email/account appeared in breaches; free Pwned Passwords k-anonymity API; paid for full breach API

Category

Breach / Credential Check

Protocol

REST

Auth

hibp-api-key (paid features)

Access

API key for breach API; none for Pwned Passwords range

Pricing note

Free (passwords) / Paid (breaches)

Last verified

2026-09-29

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