Development & Testing
Have I Been Pwned Pwned Passwords
K-anonymity search API checking password hashes against billions of compromised breach credentials securely.
Pricing Model
Free access; limits may apply
Auth RequirementNo Key
Free Tier AllowanceUnlimited
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💬 Frequently Asked Questions (AI & Developer Summary)
What free access does Have I Been Pwned Pwned Passwords offer? ▼
Unlimited
What are the authentication and access requirements for Have I Been Pwned Pwned Passwords? ▼
Authentication requirement: No Key.