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Financial literacy
5 min

Bookkeeping 101: Is E-Check The Same As ACH? Yes And No!

Learn how electronic checks and ACH relate, so you can choose the right payment for your business.

Published at | Updated:
Two young entrepreneurs sending an ACH payment for their small business.

Key takeaways

  • Recognize that an e-check is just one type of ACH payment, so every e-check runs on the ACH network.
  • Choose a standard ACH transfer for recurring or lower-cost payments, since e-checks are built for one-time transfers.
  • Expect an e-check to clear a little slower, because your bank details aren’t saved between payments.
  • Compare your processor’s fees first, since e-check and ACH costs vary and some tools waive ACH fees.

What’s ACH?

ACH (automated clearing house) is a US network that moves money digitally between bank accounts. It handles most domestic transfers, and some banks also use it for international payments.

Since it’s done digitally, an ACH bank transfer is a form of electronic funds transfer (EFT).

According to Nacha, the organization that governs it and ensures compliance and security, the ACH network moved 35.2 billion payments worth $93 trillion in 2025 (in other words, it’s a lot).

There are two main types of ACH transfers:

  • ACH credit: Works like any standard bank transfer in which funds are sent between accounts at the payor’s request.
  • ACH debit: Initiated by the recipient, who requests funds from the payor’s bank. It needs prior authorization from the payor, which can cover a single payment or recurring ones.

For more information on ACH payments, check out our complete guide.

So, what’s an e-check?

An e-check (electronic check) is a digital version of a paper check that moves money between two bank accounts over the ACH network. It’s typically used for one-time payments.

E-checks were invented as an alternative to paper checks. Instead of providing your vendor with a piece of paper that has your bank account and routing numbers printed on it (aka a check), you provide the details through an online e-check authorization form.

By filling out and sending the form, the payor (that’s you) authorizes the payment. The payee (your vendor) then issues a withdrawal request to the bank, which processes the payment as an ACH debit. This part typically happens automatically once the electronic form is received.

Is an e-check the same as ACH?

No, an e-check is not exactly the same as ACH. An e-check is one type of ACH payment, so all e-checks run on the ACH network, but not every ACH transfer is an e-check.

Think of it this way. ACH is the network, and an e-check is one of the ways to send money across it. That overlap is why the two terms often get mixed up.

The difference between ACH transfers and e-checks

Many people refer to any payment sent through the ACH network as an e-check. However, e-checks are just one type of electronic transfer processed through ACH.

ACH and e-checks mainly differ in three ways: frequency, speed, and fees.

Frequency

E-checks are one-time transactions. This means that payment details are never saved when sending an e-check so you need to fill out the authorization form each time you want to make a payment.

ACH bank transfers can be recurring, whether they are debit or credit payments. This means you fill out the details just once to make multiple payments.

Speed

E-checks are usually slower than standard ACH. A standard ACH transfer takes one to three business days, and an e-check can add one to two more because the bank details aren’t saved.

Fees

While fees vary by processor, e-checks and standard ACH transfers usually cost between $0.20 and $1.50 per transaction. Some digital accounts payable (AP) tools, including Melio, charge no fee at all for ACH transfers.

Which is better for my small business, ACH or e-check?

As we’ve already established, e-checks are just one type of ACH, so it’s not really about which is better in general. It’s about what’s best for your business or a particular transaction.

For most small and medium-sized businesses (SMBs), other ACH transfers are the easier choice. They can be recurring, clear faster, and may cost less, especially if you use a digital tool.

But if, for example, your customer doesn’t want their bank information saved when they send you a payment, an e-check could be a great solution.

Start sending and receiving ACH payments for free

Did we mention sending ACH transfers via Melio is free, with no subscriptions or hidden fees? Well, it is. So, sign up today to handle all your business payment needs—it’s easy, cost-effective, and just good for business.

E-check and ACH FAQs

Who initiates an e-check?

The payer usually initiates an e-check by filling out an online authorization form. The payee then sends the request to the bank, which processes it as an ACH debit.

Is an e-check the same as a wire transfer?

No. An e-check moves money through the ACH network over a few business days, while a wire transfer sends funds directly between banks, often on the same day.

Is an e-check ACH payment safe?

Yes. E-checks run on the regulated ACH network and need the payer’s authorization, with bank-level security protecting each transfer.

How long does an e-check take to clear?

An e-check usually clears in a few business days. It can take one to two days longer than a standard ACH transfer because the bank details aren’t saved.

*This blog post is intended for informational purposes only and is not intended as financial advice.
**Melio does not provide legal, tax or accounting advice, and you should consult with a professional advisor before making any financial decisions.

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