An ACH push is an electronic transfer you authorize your bank to send from your account to someone else’s account through the ACH Network, the nationwide system governed by Nacha that handled more than 35 billion payments in 2025. Because you start the transfer yourself, no one on the receiving end can move the money without your instruction. It’s the same mechanism behind direct-deposit paychecks, tax refunds, and most account-to-account transfers you initiate from online banking.
How an ACH Push Works
In ACH terminology, a push is a “credit” transaction: money flows outward from you to the recipient. You tell your bank the dollar amount and where to send it. Your bank packages that instruction into a file and transmits it through one of two ACH operators, the Federal Reserve’s FedACH or The Clearing House’s Electronic Payments Network. The operator routes the payment to the recipient’s bank, which credits the recipient’s account.1Nacha. ACH Payments Fact Sheet
The distinction that matters day-to-day is push versus pull. A push is money you send out. A pull is money someone else takes from your account, like a utility company debiting your checking account for a monthly bill. A push only moves when you say so, which is why it’s the default for outgoing payments where you want to stay in control of the timing and amount.2Nacha. New Nacha Rules Take Aim at Credit-Push Fraud
Where You See ACH Pushes
You’ve almost certainly received one already. Direct-deposit payroll is an ACH push from your employer’s bank to yours. So are IRS and state tax refunds, Social Security payments, veterans’ benefits, and most recurring government disbursements. On the outgoing side, businesses use ACH pushes to pay vendors and contractors, and individuals use them to move money between their own accounts at different banks or to send funds to family and friends.
What You Need to Send One
To initiate an ACH push, you need a handful of details about the receiving account. Get them right the first time; a wrong number sends the payment bouncing back and can trigger a returned-item fee, typically $10 to $40 depending on the bank.
- The recipient’s full legal name as it appears on the account
- The name of the recipient’s bank
- The nine-digit routing number for that bank, found on the bottom left of a check
- The account number receiving the funds
- Whether the destination is a checking or savings account
Verify each field against something official, like a voided check or a direct-deposit form from the recipient’s bank. Most banks let you add a memo line so both sides can identify the payment later on their statements.
How to Send an ACH Push
Most banks handle ACH pushes through their online banking portal or mobile app. You log in, open the transfers or payments section, enter the recipient’s banking details, and confirm the amount and date on a review screen before authorizing the payment. The bank returns a transaction ID and usually sends an email or push-notification receipt.
Expect a temporary hold on the funds. The money will show as unavailable in your balance before it actually reaches the recipient. Fees for outgoing ACH transfers run from nothing to about $3, and many large banks offer them free. These payments fall under the Electronic Fund Transfer Act and its implementing rule, Regulation E, which sets your rights around errors and unauthorized transactions.3eCFR. 12 CFR Part 1005 – Electronic Fund Transfers (Regulation E)
How Long It Takes
A standard ACH push takes one to three business days to arrive. The exact timing depends on when you submit it relative to your bank’s daily cutoff and whether you selected standard or expedited service.
The network processes payments in batches, not one at a time. Each business day the operators run several processing windows, and a transfer that misses one window rolls to the next. Anything submitted after the last window of the day is treated as if you initiated it the following business day.4Nacha. ACH Schedules and Funds Availability
Weekends and federal holidays stop the clock. The operators don’t process on those days, so a payment you send Friday evening generally won’t start moving until Monday morning, or Tuesday if Monday is a holiday. Build those pauses into your planning when a deadline matters.
Same-Day ACH
If you need the money to land the same day, Same-Day ACH can do it. The per-transaction limit is $1 million.5Nacha. Same Day ACH Nearly every type of ACH payment qualifies; the main exclusions are international ACH transactions and a few non-standard entry types.6Nacha. Same Day ACH – Moving Payments Faster (Phase 1)
To make it through same-day processing, your bank has to submit the payment before one of three daily cutoffs. When it does, the receiving bank is required to make the funds available to the recipient by 5:00 p.m. local time for payments in the first window, or by 9:00 a.m. the next morning for payments in the final window.4Nacha. ACH Schedules and Funds Availability Some banks add a fee for same-day service; the amount varies.
ACH Push vs. Wire Transfer
Wires and ACH pushes both move money between bank accounts, but they behave differently in ways that matter.
- Speed: a domestic wire usually arrives the same day, often within hours; standard ACH takes one to three business days, with Same-Day ACH narrowing the gap
- Cost: ACH is usually free or a few dollars; a domestic wire commonly costs $25 to $35 to send, sometimes with a receiving fee on top
- Reversibility: ACH pushes can be reversed in limited circumstances; wires are generally final once sent, and recovering money sent to the wrong account or to a scammer is extremely difficult
- Dollar limits: Same-Day ACH caps individual transactions at $1 million; wires have no standard network cap, though your bank may set its own
For routine payments, ACH is the cheaper and more forgiving choice. Wires make more sense when you need guaranteed same-day finality or are moving very large sums.
ACH Push vs. FedNow
FedNow is a real-time payment service operated by the Federal Reserve. Unlike ACH, which runs in batches during business hours, FedNow settles each transaction individually, around the clock, every day of the year including weekends and holidays. The recipient sees the money within seconds.7FedNow Explorer. Instant Payments and P2P Transactions
The FedNow network transaction limit rose to $10 million in November 2025, though individual banks can set lower limits.8Federal Reserve Financial Services. FedNow Service Raises Transaction Limit to $10 Million Like ACH, FedNow only supports push transactions. The catch is coverage: not every bank has joined FedNow, so you can only use it when both your bank and the recipient’s bank participate.
Canceling or Reversing a Payment
Once you confirm an ACH push, stopping it is harder than starting it. If you catch a mistake before your bank’s cutoff, you may be able to cancel through online banking or by calling customer service. After the payment has left for the ACH Network, the rules tighten.
Nacha allows an originator to reverse an ACH credit only for specific reasons:
- The payment was a duplicate of an earlier one
- The dollar amount was wrong
- The payment went to the wrong recipient
- The payment was scheduled for the wrong date
The reversal has to reach the receiving bank within five banking days after the original settlement date.9Nacha. ACH Network Rules – Reversals and Enforcement Changing your mind isn’t a valid reason, and neither is running short on funds. Even when a reversal qualifies, the recipient’s bank isn’t required to return the money if the account has been closed or the balance is too low to cover it. Speed helps.
Your Protections If Something Goes Wrong
Regulation E gives consumers real protection on personal accounts. If someone makes an unauthorized ACH transfer out of your account, how much you can lose depends on how fast you report it.10eCFR. 12 CFR 1005.6 – Liability of Consumer for Unauthorized Transfers
- Report within 2 business days: your maximum liability is $50
- Report after 2 business days but within 60 days of your statement: liability rises to $500
- Report after 60 days: you may be liable for the full amount of any unauthorized transfers that happened after the 60-day window, with no cap
Once you report an error, your bank generally has 10 business days to investigate. It can take up to 45 days if it provisionally credits your account within 10 business days so you have use of the money during the investigation.11Consumer Financial Protection Bureau. Regulation E – Section 1005.11 Procedures for Resolving Errors
One important boundary: these protections cover personal accounts. Business accounts fall under Article 4A of the Uniform Commercial Code, and the rules are less favorable. If the bank has a commercially reasonable security procedure and follows it, the bank may not be liable for an unauthorized transfer even when the business didn’t actually authorize the payment. Business account holders typically have a year to object to a questionable transaction, but the burden of proof is heavier than what consumers face.