Yes, American Express Platinum cards do have limits, but the specific limit you receive will depend on your credit history and income.

Unlike traditional credit cards that have a set credit limit, American Express Platinum cards have what is known as a “spending limit.” This limit is determined by several factors, including your credit score, income, and spending habits.
In general, the spending limit for an American Express Platinum card is higher than the average credit limit for other credit cards. This is because American Express caters to a high-end clientele with higher incomes and a more substantial credit history.
However, even with a high spending limit, American Express Platinum cards are not limitless. If you try to spend more than your spending limit, your transaction will be declined.
It is important to note that the spending limit on an American Express Platinum card can fluctuate over time. Your spending limit can be adjusted based on several factors, including changes to your credit score, income, and spending habits.
If you consistently make payments on time, maintain a good credit score, and use your card responsibly, you may be eligible for a higher spending limit in the future.
It is also possible to request a higher spending limit from American Express. If you need to make a large purchase that exceeds your current spending limit, you can contact American Express customer service and request a temporary increase in your spending limit.
However, it is important to use caution when requesting a higher spending limit. Increasing your spending limit can lead to higher levels of debt if you are not careful. It is important to only request a higher spending limit if you are confident that you can manage the additional debt responsibly.
In addition to the spending limit, American Express Platinum cards also have a cash advance limit. The cash advance limit is the maximum amount of cash you can withdraw from your card. This limit is typically lower than your spending limit and is intended to prevent cardholders from taking on too much debt by withdrawing cash from their credit card.
It is important to note that cash advances typically come with higher interest rates and fees than regular credit card purchases. It is generally not recommended to use a cash advance unless it is an emergency.
In conclusion, American Express Platinum cards do have limits, but these limits are typically higher than the average credit limit for other credit cards. Your spending limit will be determined by several factors, including your credit score, income, and spending habits. It is important to use your card responsibly and only request a higher spending limit if you are confident that you can manage the additional debt responsibly.