You can find details of the services HIBP offers and the current pricing at haveibeenpwned.com/Subscription
Full API documentation is also available at haveibeenpwned.com/API/v3
You do not need a paid subscription for the Pwned Passwords API
You can find details of the services HIBP offers and the current pricing at haveibeenpwned.com/Subscription
Full API documentation is also available at haveibeenpwned.com/API/v3
You do not need a paid subscription for the Pwned Passwords API