Guides: ACH
What is an ACH debit? How pulls differ from credits
An ACH debit pulls authorized money from your bank account. See who starts it, examples and how to stop one.
International ACH transactions: what IAT means
IAT is the U.S. ACH leg of an international payment. Check the route, fees, timing and return policy first.
ACH Notification of Change: what to do with an NOC
An ACH NOC corrects account details after a processed payment. Check the original entry before sending again.
What is an ACH prenote? How the zero-dollar check works
An ACH prenote checks whether an account can accept ACH entries without moving money. Here is what a response proves.
What are micro deposits? How the bank check works
Two tiny deposits under $1 that prove a bank account is yours, when they show up, and what to do if they don't.
Zelle vs ACH: timing, limits and when to use each
Match the payment to the recipient, deadline and bank offer before comparing speed, fees and cancellation.
Stop automatic payments from your bank account
How to revoke a company's debit permission, give your bank a stop order and deal with a payment that still goes through.
ACH return codes: R01, R02, R10 and more
What common ACH return codes mean, how return windows differ and what to do next.
Can an ACH transfer be reversed?
Reversals, disputes and stop-payment orders: what you can still do after an ACH payment, and the deadlines.
Do bank transfers go through on weekends?
Saturday, Sunday and Monday holidays: which transfers move, which wait, and when the money lands.
Same Day ACH: deadlines, limits and when your money lands
Three windows a banking day, a $1 million limit and bank cutoffs that come first. What Same Day ACH means for you.
Federal Reserve holidays 2026: when wires and ACH pause
Four Fed holidays are left in 2026. Wires and ACH stop on each one; FedNow instant payments keep running.
ACH transfer pending: why, how long, and what a return means
An ACH transfer is pending because the network settles in batches, on banking days only.
ACH vs wire transfer: speed, cost, limits and what you can undo
Wires land the same day and are final. ACH is batched and easier to dispute. Which to use when.
How long does ACH take? Same day, next day or two days
Most ACH payments settle within one banking day. The deadlines and exceptions, with Nacha and Fed sources.