Cost savings
Payment processing
Read more
Flute
ACH payments move money directly between bank accounts, often for less than cards or checks. Learn what ACH is, how the process works, and when to use it.
ACH is the system behind many bank-to-bank transfers in the United States. It powers direct payroll deposits, most recurring bank payments, and a fast-growing share of business-to-business invoices. In each case, money moves directly from one bank account to another, with no card or paper check in between.
How you get paid shapes your margins, your cash flow, and how often invoices arrive on time. For growing businesses, ACH payments offer a way to cut card processing fees and streamline how you collect and send money.
To help you better understand this payment type, let’s take a closer look at what ACH payments are, how the process works, and when a bank transfer is the smarter way to accept and send payments.
ACH stands for Automated Clearing House, an electronic network that moves money from one U.S. bank account to another. That system carries an astonishing amount of money. In 2024, the ACH Network moved 33.6 billion payments worth $86.2 trillion.
When you hear someone mention an ACH payment, a bank transfer, or an eCheck, they’re usually pointing at the same thing: funds moving directly between accounts, with no card network, paper check, or cash changing hands.
The network is governed by Nacha, the organization that writes and enforces the rules every participating bank and payment provider has to follow. That oversight is one of the reasons ACH is both dependable and affordable — it follows strict compliance regulations and cuts out middlemen like the big card brands.
Because the ACH network was built specifically for payments inside the United States, it’s a poor fit for most international transfers.
Behind every bank transfer is a straightforward exchange between two accounts. The ACH payment process generally follows four steps:
An ACH credit pushes funds into an account, the way a direct deposit delivers payroll or a business pays a supplier. An ACH debit pulls funds from an account with the account holder’s permission, which is how most companies collect invoices, dues, and recurring bills.
Most transfers finish within one to two business days. When timing matters, Same Day ACH can settle eligible payments within hours. Businesses are leaning on this payment method more every year. In 2024, Same Day ACH volume climbed 45.3% to more than 1.2 billion payments.
ACH isn’t the right fit for every sale. When a customer is grabbing a coffee or checking out at the counter, tapping a card is hard to beat. But in a handful of situations, a bank transfer wins on cost, reliability, or both.
If your revenue depends on recurring payments, like memberships, retainers, rent, or software subscriptions, ACH debits are the right approach. Once a customer authorizes the transfer, each payment runs on a set schedule without anyone having to re-enter their payment details.
This helps businesses reduce costs by sidestepping the typical fees associated with credit card processing. It also ensures payments keep flowing even when a card is reissued or replaced.
That kind of reliability keeps getting more valuable. Juniper Research projects the subscription economy will nearly double to $1.2 trillion by 2030. For any business that bills on a cycle, a payment method that keeps working in the background is what separates steady revenue from a monthly scramble.
You’ve just delivered a $40,000 wholesale order to a restaurant group you’ve supplied for years. The owner asks how she should pay. You have two options: mail an invoice and wait a week or more for a paper check that might get lost or sit in a drawer — or collect the payment by bank transfer and watch it land in your account, with none of that $40,000 shaved off by card fees.
In 2024, B2B ACH payments grew 11.6% to 7.3 billion. ACH payments are more reliable than wire transfers or checks, making them the best payment option for large, business-to-business transactions.
As Nacha’s President and CEO points out, “The growth in B2B that began accelerating during the pandemic shows no signs of abating. Checks continue to lose favor, given the many problems they present, particularly safety issues.”
Government payments are heading in the same direction. In 2025, the federal government stopped issuing most paper checks, shifting tax refunds, benefits, and vendor payments to electronic methods like direct deposit. If you sell to public agencies or large institutions, being ready to send and receive ACH is fast becoming the price of entry.
Card processing usually takes a percentage of every sale, typically 2% to 3.5%. On a large ticket or a recurring charge, that adds up quickly. ACH changes the math with a small, flat fee. One recent survey found that initiating and receiving an ACH payment costs a median of $0.26 to $0.50, while issuing a single paper check costs $2 to $4.
Those low, predictable costs are also why ACH fits naturally into low-cost and zero-cost processing strategies. For high-value invoices or anything billed on repeat, shifting even part of your payment volume to ACH can help you reduce operating costs without raising your rates.
For most businesses, ACH is as safe as, if not safer than, other payment methods. Every transfer runs through a regulated network with bank-level encryption, account verification, and a digital record of each transaction, making reconciliation and dispute resolution simpler than keeping track of a paper trail.
Bank-to-bank payments are especially more secure than traditional paper checks. A fraud survey released in 2025 found that checks were the payment method most often targeted by fraud, hitting 63% of organizations. Mailed checks put your account and routing numbers in front of everyone who handles them, while ACH transfers keep those details inside a secure system.
There are several reasons to consider ACH payments — especially if your business takes recurring payments or deals with large business-to-business or business-to-government transactions.
Here are a few advantages:
ACH won’t replace cards at the register, and it isn’t meant to. But for your largest, most regular, and most cost-sensitive payments, a bank transfer is tough to beat.
That’s where Flute comes in. We make it easy for growing businesses to accept ACH alongside cards, automate recurring billing and invoices, and get paid faster, so more of what you earn stays in your business. Reach out to our team to get started.
