Answers to questions about credit cards including bills, balances, overdraft protection, lost cards, and unauthorized charges. Webjun 25, 2024 · wells fargo does not allow you to request a credit limit increase online. To raise your chances of being approved for a higher credit. Webincreasing your credit limit may provide benefits such as lowering your credit utilization rate, extending your spending power, and providing access to an emergency credit line. However, a higher credit limit may lead to overspending and credit card debt.