Must be at least 8 characters in length

Must not be an English dictionary word

Must not be a common name or surname

Must not be a 'statistically common' password

Must not be a chain of repeated characters or numbers (99999, aaaaa)

Must not be a sequence of characters or numbers (12345, abcde)

Must not be a date (12-23-1996)

Additional Info

Stripe notes that these requirements are only the fundamentals and satisfying them does not guarantee that your password is strong.