If you have a credit score of 650, you may be able to qualify for an American Express card. While Amex cards are known for being difficult to obtain, a score of 650 is generally considered good enough to get approved.
To increase your chances of getting approved, make sure you have a strong history of responsible credit use. This means paying your bills on time, keeping your balances low, and only opening new accounts when absolutely necessary. Additionally, try to avoid applying for too many credit cards in a short period of time – this can look like desperation to lenders and could hurt your chances.