An e-payment, short for electronic payment, is any transfer of money made through a digital system instead of physical cash or a paper check. That covers everything from tapping a debit card at a coffee shop to sending a friend money through an app to wiring six figures between business accounts. What ties them together is that the money moves as data between financial institutions, and a set of federal laws decides who bears the loss when something goes wrong.
The Main Types of Electronic Payments
Credit and debit cards are the most familiar. A credit card draws on a line of credit you repay later; a debit card pulls straight from your checking account. Both route through Visa, Mastercard, Discover, or American Express to move funds between the merchant and your bank.
Automated Clearing House (ACH) transfers handle bank-to-bank moves like direct-deposited paychecks and automatic bill payments. ACH runs in batches, so a transfer typically takes one to three business days to finalize. Bank online bill-pay usually rides on the same rails.
Digital wallets store card or account details in encrypted software on your phone. Apple Pay, Google Pay, and Samsung Pay use near-field communication and tokenized card numbers so the merchant never sees your real card number. Peer-to-peer apps like Venmo, Zelle, and Cash App do something different: they let individuals send money to each other using a phone number or email address.
Real-time systems are newer. The Federal Reserve launched the FedNow Service in July 2023, letting participating banks and credit unions clear payments in seconds, around the clock, every day of the year.1Federal Reserve Board. FedNow Service Frequently Asked Questions The Clearing House runs a similar service called RTP. Both now support single transactions of up to $10 million.2The Clearing House. Breaking Barriers: RTP Network $10 Million Transaction Limit Spurs High-Value Payment Surge
Stablecoins are entering the mix too. Congress passed the GENIUS Act in 2025, creating a federal licensing framework for companies that issue dollar-pegged payment stablecoins and generally banning unlicensed issuance in the United States. The Office of the Comptroller of the Currency proposed implementing rules in early 2026.3Office of the Comptroller of the Currency. GENIUS Act Regulations: Notice of Proposed Rulemaking
What You Provide to Make a Payment
For a bank transfer, you need your bank’s nine-digit routing number and your account number.4American Bankers Association. ABA Routing Number Both sit at the bottom of a paper check. A wrong digit in either can bounce the transfer or send it to the wrong account.
For a card payment, you enter the 15- or 16-digit Primary Account Number printed on the card, the expiration date, and the three- or four-digit CVV.5Visa. Visa Best Practices for Primary Account Number Storage and Truncation Online merchants usually also verify your billing address. Many payment flows now layer on multi-factor authentication: a one-time code, an app push, a fingerprint, or a face scan.
How a Card Payment Moves
A card payment runs through three stages. In authorization, the merchant’s terminal encrypts the transaction and sends it through a payment gateway and processor to the card network, which asks your issuing bank whether you have the money or credit available. That step takes seconds and ends in an approval or decline.
In clearing, the merchant batches the day’s approved transactions and sends them through its acquiring bank. The network calculates the interchange owed on each one and moves funds from your bank to the merchant’s bank. Settlement is the final leg, where the merchant’s account is credited for the sale minus fees, typically within one to two business days.
ACH transfers follow a similar batch cycle but route through the Federal Reserve’s or The Clearing House’s ACH network rather than a card network. FedNow and RTP skip batching entirely and complete authorization, clearing, and settlement in a single step within seconds.
Interchange and Processing Fees
Every card payment carries an interchange fee, paid by the merchant’s bank to the cardholder’s bank. Credit card interchange generally runs from about 1.15% to 3.15% of the transaction, higher for premium rewards cards.
Debit is cheaper. Federal Reserve data put the average debit interchange fee at about 0.73% of the transaction in 2024, and just 0.47% for transactions on larger “covered” banks.6Federal Reserve Board. Regulation II (Debit Card Interchange Fees and Routing) – Average Debit Card Interchange Fee by Payment Card Network That gap exists partly because the Durbin Amendment caps debit interchange for banks with more than $10 billion in assets.
Interchange is just one piece. Processor and network fees on top bring most merchants to an effective 2% to 4% per credit card sale. Some merchants add a credit card surcharge at checkout. Most states allow it, a handful restrict or prohibit it, and card network rules cap the surcharge at roughly 3% to 4%.
Your Rights on Debit Cards and Bank Transfers
The Electronic Fund Transfer Act, at 15 U.S.C. § 1693, is the main federal statute for debit card transactions, ATM withdrawals, direct deposits, and other electronic transfers from bank accounts.7Office of the Law Revision Counsel. 15 USC 1693 – Congressional Findings and Declaration of Purpose The Consumer Financial Protection Bureau enforces it through Regulation E at 12 CFR Part 1005.8eCFR. 12 CFR Part 1005 – Electronic Fund Transfers (Regulation E)
Regulation E requires your bank to disclose fees and terms up front and to send periodic statements listing each electronic transfer. If you spot an error, you have 60 days from the date the statement was sent to notify the bank in writing. The bank must investigate and resolve the issue within 10 business days. It can take up to 45 days if it needs more time, but only if it provisionally credits the disputed amount to your account within those first 10 business days.8eCFR. 12 CFR Part 1005 – Electronic Fund Transfers (Regulation E)
Liability for an unauthorized debit card transaction depends on how fast you report it:9Office of the Law Revision Counsel. 15 USC 1693g – Consumer Liability
- Report within 2 business days of learning of the loss or theft, and your liability is capped at $50, or the amount of the unauthorized transfers, whichever is less.
- Report after 2 business days but within 60 days of the statement, and your liability can climb to $500 for transfers the bank shows would not have happened had you reported sooner.
- Report more than 60 days after the statement, and there is no cap on unauthorized transfers occurring after that window if the bank can prove earlier notice would have prevented them.
The jumps between tiers are the reason to skim every bank statement as soon as it arrives.
Your Rights on Credit Card Payments
Credit cards sit outside the EFTA. They’re covered instead by the Truth in Lending Act and the Fair Credit Billing Act, which give you a separate dispute process for billing errors: charges you did not make, wrong amounts, or charges for goods that never arrived.
You have 60 days from the date the statement was sent to submit a written dispute to your card issuer. The issuer must acknowledge the dispute within 30 days and complete its investigation within two billing cycles, up to a maximum of 90 days. While the dispute is open, you don’t have to pay the disputed portion, the issuer can’t report you as delinquent for withholding it, and it can’t close your account or accelerate your balance solely because you disputed the charge.10Consumer Financial Protection Bureau. Billing Error Resolution
Liability for unauthorized credit card charges is capped by 15 U.S.C. § 1643 at $50, no matter how long it takes you to notice.11Office of the Law Revision Counsel. 15 USC 1643 – Liability of Holder of Credit Card Most major issuers voluntarily waive that $50 through zero-liability policies, so in practice you typically owe nothing. Once you notify the issuer that the card is lost, stolen, or compromised, you owe nothing for anything charged after that.
Where the Protections Stop: P2P Scams
Here is where a lot of people get burned. The liability caps above apply only to “unauthorized” transfers, meaning someone other than you moved the money without your permission. Regulation E does not cover transfers you authorized yourself, even if a scammer talked you into it.8eCFR. 12 CFR Part 1005 – Electronic Fund Transfers (Regulation E)
If someone impersonates your bank’s fraud line and pressures you to send money through Zelle to a “safe” account, you technically authorized the transfer. Many banks have taken the position that Regulation E’s error-resolution rules and liability caps don’t apply to those scam-induced payments. The CFPB has disputed that reading and brought enforcement actions against several major banks over how they handled fraudulent Zelle claims.12Consumer Financial Protection Bureau. Enforcement Action: Early Warning Services, LLC; Bank of America, N.A.; JPMorgan Chase Bank, N.A.; Wells Fargo Bank, N.A. The law here is still moving. Until it settles, treat a P2P transfer like handing over cash: only send to people you actually know, and treat a stranger’s request to use a payment app as a warning sign.
When E-Payments You Receive Become Taxable
If you take e-payments for selling goods or services, your payment processor or app may send you a Form 1099-K, with a copy to the IRS.13Internal Revenue Service. Understanding Your Form 1099-K For 2026 tax returns, a 1099-K is required only when the processor handled more than $20,000 in payments and more than 200 transactions for your account during the year.14IRS.gov. Publication 1099 General Instructions for Certain Information Returns (For Use in Preparing 2026 Returns) Falling under the threshold doesn’t excuse you from reporting the income; it just means no form was filed.
Personal payments, like splitting a dinner check, receiving a gift, or getting rent reimbursement from a roommate, are not taxable income and should not land on a 1099-K. Most apps let you tag transactions as personal so they aren’t lumped in with business activity.13Internal Revenue Service. Understanding Your Form 1099-K If a 1099-K reaches you with personal transactions included, you don’t owe tax on those amounts, but you may need to explain the difference on your return.