ACH & Bank Transfer Payments
ACH vs wire transfers, costs, timing, and best use cases for each
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Common Questions
Should my business accept ACH payments?
ACH costs 0.5-1% per transaction (often capped at $5-10), making it far cheaper than cards for large transactions. Settlement takes 3-5 business days vs. 1-2 for cards. It's ideal for B2B invoices, subscriptions, rent payments, and any recurring charges over $100. Stripe, Square, and most processors now support ACH alongside cards.
What is ACH payment processing?
ACH (Automated Clearing House) is the US electronic network for direct bank-to-bank transfers — the same network used for direct deposit and bill pay. For businesses, ACH lets you debit customer bank accounts directly at significantly lower cost than card processing (typically $0.25-$1.50 flat vs 2-3% for cards), though it takes 1-3 business days to settle.
How do ACH fees compare to credit card fees?
ACH processing typically costs $0.20-$1.50 per transaction flat, making it far cheaper than card processing for large transactions. On a $5,000 B2B payment, ACH costs under $1 while a card would cost $145+. The tradeoffs: ACH takes 1-3 days to settle (vs instant card authorization), and returns (failed debits) can take days to discover.
When should I offer ACH payments to customers?
Offer ACH for large B2B transactions where card fees would be prohibitive, for recurring subscriptions where customers are willing to set up bank debit once, and for invoices over $500 where the fee savings are meaningful. ACH works best for trusted, repeat customers — new customers may be reluctant to share bank account details without an established relationship.
What is the difference between next-day and same-day ACH?
Standard ACH settles in 1-3 business days. Same-day ACH (available since 2016) settles the same business day if submitted before 2:45 PM ET, for a $0.052 per-transaction surcharge. Next-day ACH settles the following business day. For most businesses, standard ACH is fine — same-day is useful for urgent payroll or time-sensitive vendor payments.
Key Terms
ACH Transfer
Electronic bank-to-bank transfer through the Automated Clearing House network. Costs $0.20-1.00 per transaction (vs. 2-3% for cards). Settlement: 3-5 business days standard, 1 day for same-day ACH. Ideal for recurring payments, B2B transactions, and high-value purchases where card fees are prohibitive.
Acquiring Bank
The financial institution that maintains the merchant account, processes card transactions on behalf of merchants, and settles funds. The acquirer assumes financial risk for transactions processed under its sponsorship.
Issuing Bank
The financial institution that issues payment cards to consumers and is responsible for approving or declining transactions. The issuing bank pays the acquiring bank during settlement and collects repayment from the cardholder.
ACH (Automated Clearing House)
A US electronic network for bank-to-bank money transfers that processes payroll, bill payments, and direct deposits. ACH transactions are batched and typically settle in 1–3 business days at a fraction of card processing costs.
NACHA
The organization that governs the ACH network, setting rules and standards for ACH transactions in the United States. NACHA rules define authorization requirements, return codes, and data formatting for all ACH participants.
ACH Debit
An ACH transaction that pulls funds from a payer's bank account with their authorization. Common for recurring bill payments and subscription charges; can be returned for insufficient funds or unauthorized status.
ACH Credit
An ACH transaction that pushes funds into a recipient's bank account. Used for payroll direct deposit, vendor payments, and refunds; the originating party initiates the transfer from their own account.
Same-Day ACH
An ACH processing option that allows transactions submitted before designated cutoff times to settle the same business day. NACHA expanded same-day ACH to support credits and debits up to $1 million per transaction.
Open Banking
A financial services framework that allows third-party providers to access bank account data and initiate payments via APIs with customer consent. Open banking powers account-to-account payments that bypass card networks entirely.
Instant Bank Transfer
A payment method that moves funds directly between bank accounts in real time using RTP, FedNow, or similar rails. Offers lower costs than card acceptance and is increasingly used for e-commerce and marketplace payouts.