Credit Card Application Rules by Issuer
Why the order you apply matters
Banks do not publish most of these rules, but they shape every approval. Applying in the wrong order can lock you out of the best cards or cost you a bonus you cannot earn again. The general principle is to get the most restrictive issuer first, which for most people means Chase because of its 5/24 rule.
These are guidelines gathered from cardholder experience, not contract terms, so they change over time and have exceptions. Use them to plan, not as guarantees.
The rules that matter most, issuer by issuer
Chase: 5/24 (five-plus new cards from any issuer in 24 months and you are declined), the once-per-lifetime Sapphire bonus, and a roughly two-cards-per-30-days velocity. American Express: each bonus is once per lifetime, the family rule blocks cheaper cards in a family, a pop-up warns you first, and you can hold only about 5 credit and 10 charge cards. Citi: application spacing plus a 48-month wait for another bonus in the same family. Capital One: pulls all three bureaus and rarely approves more than one card every six months. Bank of America: the 2/3/4 rule on its own cards plus a 3/12 or 7/12 limit on cards from any issuer. Wells Fargo: about one new card every 6 months and spacing between bonuses. Barclays: a loose 6/24, heavy inquiry sensitivity, and a must-have-closed-the-card-24-months rule to re-earn a bonus. U.S. Bank: no published number, but conservative and inquiry-sensitive. Each issuer has a full guide linked above.
Then protect the bonus itself
Getting approved is only half the job. Meet the minimum spend inside the window, do not cancel before the bonus posts, and avoid returns or manufactured spending that can claw it back. See how to protect your welcome bonus for the full checklist.
A simple plan
Start with Chase cards while you are under 5/24, since it is the pickiest. Add Amex cards anytime, but only when you intend to keep the card, because the bonus is one-time. Space out Citi, Capital One, Barclays, and Bank of America applications. Most business cards do not add to your 5/24 count, which is how people keep earning without crowding their personal file.