American Express savings accounts work like any other bank savings account, but with one key difference: they are online-only, which usually means higher interest rates and lower fees than brick-and-mortar banks
American Express Bank (the deposit-taking arm of American Express) offers a high-yield savings account through its online platform. You deposit money, earn interest on the balance, and can withdraw when you need it. The account has no monthly maintenance fee, no minimum balance requirement, and no limit on how many times you can withdraw in a month—rules that differ from traditional savings accounts at physical banks.
Whether you should open one depends on three things: whether the current interest rate meets your needs, whether you are comfortable banking entirely online, and whether you already have an American Express credit card or checking account (which can simplify the process).
Key Takeaways
- American Express savings accounts are online-only, which means no branch visits but also no in-person support if something goes wrong.
- The interest rate changes with the Federal Reserve's rate decisions, so the rate you see today may be lower or higher in six months.
- You can open an account with no minimum deposit and no monthly fee, but you need a Social Security number, proof of address, and a way to fund the account (bank transfer or debit card).
- Money moves between your American Express savings account and other banks through the ACH system, which takes one to three business days.
- If you already use American Express for credit or checking, opening a savings account adds no new paperwork and links to your existing login.
How the interest rate works and what it means for your money
American Express publishes its savings account interest rate on its website, and that rate applies to all new deposits from the day you open the account. The rate is not locked in—it changes whenever American Express decides to change it, usually in response to Federal Reserve decisions. When the Fed raises rates, American Express typically raises its savings rate within days. When the Fed cuts rates, American Express cuts its rate as well, sometimes within weeks.
The practical effect is that your interest earnings depend on timing. If you open an account when rates are high, you earn more per dollar. If you open when rates are falling, your earnings shrink over time. You cannot predict the Fed's moves, so you cannot time this perfectly. What you can do is compare the current American Express rate to rates at other online banks (Marcus, Ally, Discover, and others all publish theirs publicly) and decide whether American Express is competitive right now.
Interest is calculated daily and deposited monthly. If you have $10,000 in the account and the rate is 4.5% annual percentage yield (APY), you earn roughly $37.50 that month. The exact amount varies slightly because the calculation uses the daily balance method, meaning interest accrues on whatever you have in the account each day.
Opening an account: what you need and how long it takes
You can open an American Express savings account online in about 10 minutes. You will need a valid Social Security number, a current address, a government-issued ID (driver's license or passport), and a way to fund the account—either a bank account for ACH transfer or a debit card.
American Express verifies your identity during signup using information from credit bureaus and public records. If verification is when ready, your account opens when ready and you can begin transferring money. If American Express needs more information, they will contact you by email or phone within one business day.
Once the account is open, you can transfer money in from another bank account using ACH (Automated Clearing House). The first transfer typically takes one to three business days to arrive. Subsequent transfers follow the same timeline. You can also fund the account with a debit card, though American Express charges a fee for debit card deposits—currently $0.50 per transaction—so ACH transfer is the cheaper route if your bank offers it.
Moving money in and out: ACH transfers and withdrawal limits
Money leaves your American Express savings account through ACH transfer to another bank account you own. You set up the receiving account (your checking account at another bank, for example) by providing the routing number and account number. American Express verifies the account by depositing two small amounts (usually under $1 each) and asking you to confirm the amounts. This verification takes one to two business days.
Once verified, you can transfer money out whenever you want. There is no limit on the number of withdrawals per month—a rule that changed in 2020 when the Federal Reserve suspended the old six-withdrawal limit that applied to savings accounts. Transfers out take one to three business days to arrive at the receiving bank.
If you need cash when ready, you cannot withdraw directly from an American Express savings account because there are no branches. You would need to transfer money to a checking account first, then withdraw from an ATM—a process that takes at least one business day.
Comparing American Express to other online savings options
American Express competes directly with other online banks: Marcus (owned by Goldman Sachs), Ally Bank, Discover Bank, and others. All of them offer similar products—no-fee, no-minimum savings accounts with interest rates that move with the Fed. The main differences are the interest rate (which changes constantly), customer service quality, and whether you already bank with them.
If you already have an American Express credit card or checking account, opening a savings account is simpler because you use the same login and can see all your accounts in one place. If you do not already use American Express for anything, the decision comes down to whether their current rate is higher than competitors and whether you trust their customer service. American Express has a long history in financial services, but it is smaller than traditional banks and has fewer physical locations if you ever need in-person help.
One scenario where American Express makes sense: you have an American Express credit card and want to park emergency savings in a high-yield account without opening a new login at a different bank. One scenario where it might not: you need to access cash quickly or prefer to bank with a company that has physical branches in your area.
FDIC insurance and what happens if American Express fails
American Express Bank is FDIC-insured, meaning deposits up to $250,000 per account holder per bank are protected by the Federal Deposit Insurance Corporation. If American Express Bank were to fail, the FDIC would cover your balance up to that limit. This is the same protection you get at any other FDIC-insured bank.
The $250,000 limit applies per person per bank. If you have $100,000 in an American Express savings account and $100,000 in an American Express money market account, both are covered because they are different account types. If you have $200,000 in an American Express savings account, the full amount is covered. If you have $300,000, only $250,000 is covered and you lose the rest in a failure scenario.
Bank failures are rare in the modern era. The last major bank failure was Silicon Valley Bank in 2023. For most people, FDIC insurance is a theoretical protection rather than a practical concern, but it is worth knowing it exists.
Tax reporting and how interest affects your taxes
Interest earned in a savings account is taxable income. At the end of each calendar year, American Express sends you a Form 1099-INT showing how much interest you earned. You report this on your tax return as interest income.
If you earned $500 in interest during the year and you are in the 24% federal tax bracket, you owe roughly $120 in federal income tax on that interest (plus any state income tax if your state has one). This is not withheld automatically—you pay it when you file your return or through quarterly estimated tax payments if you have other self-employment income.
The tax impact is small for most people because savings account interest rates are modest compared to investment returns. But it is worth factoring in. If you are in a high tax bracket, the after-tax return on a 4.5% savings account might be closer to 3.4% after federal tax.
Frequently Asked Questions
Can I use my American Express credit card to fund the savings account?
No. American Express does not allow credit card funding of savings accounts because that would be a cash advance, which carries fees and interest. You can fund the account with a debit card (for a $0.50 fee) or with an ACH transfer from a bank account (free).
What happens to my interest if I withdraw money mid-month?
Interest is calculated on your daily balance, so if you withdraw $5,000 on the 15th of the month, you earn interest only on the balance you held for the first 15 days. Interest is still deposited on the last day of the month, but the amount reflects the lower balance for the second half of the month.
Can I set up automatic transfers from my checking account to the savings account?
Yes. Once you have verified your checking account at another bank, you can schedule recurring ACH transfers from that account to your American Express savings account. This is useful for automatic savings—for example, transferring $200 every payday.
Is there a penalty for closing the account early?
No. American Express does not charge a penalty for closing a savings account at any time. You can withdraw your full balance and close the account whenever you want with no fee or waiting period.
What if I need to dispute a transaction or report fraud?
Contact American Express through their website or by phone. Since this is a savings account (not a credit card), fraud protection is different—the bank is not liable for unauthorized transfers the way credit card companies are. However, if someone gains access to your account through identity theft, American Express will investigate and may reverse fraudulent transfers depending on the circumstances.