You HAVE direct access to HIBP data. Albeit hashes only which are enough to tell if password has been compromised before or not. You can download pwned password

You HAVE direct access to HIBP data. Albeit hashes only which are enough to tell if password has been compromised before or not. You can download pwned passwords list and do checks locally: https://haveibeenpwned.com/Passwords https://haveibeenpwned.com/Passwords