What a card reader is
A card reader captures payment information from a credit card, debit card or digital wallet and sends it to your payment processor. Your customer can tap a contactless card or phone, insert an EMV chip card, or swipe a magnetic stripe, depending on the reader.
A card reader is one component of your payment setup. A payment terminal may combine a reader with other functions, while a point-of-sale system can also record sales, update inventory and manage customer or employee information. A business that accepts payments only online does not need an in-person card reader.
A card reader captures the payment; your processor sets the transaction pricing.
How a card reader works
When a customer taps, inserts or swipes, the reader captures payment data and sends the transaction for authorization. The payment processor routes the request through the card network to the issuing bank, which approves or declines it. The response returns to your checkout setup so you can complete the sale.
Readers come as countertop devices, attachments for phones or tablets, handheld units, and unattended devices for self-service. Some connect to separate software or hardware, while others combine more functions in one device. The reader's core job remains the same: capture payment details and transmit them for processing.
What a card reader means for your costs
A reader does not set your card-processing rate. Card-present transactions can be priced differently from manually keyed transactions, and your processor's pricing determines the rate charged. The reader gives you a way to accept in-person payments, but buying a reader alone does not guarantee lower processing costs.
Hardware and software are separate from transaction fees. When comparing options, identify the reader purchase or lease cost and any required software charges, then compare those expenses with your transaction pricing. There is no standard card-reader price or statement line that applies to every business.
What you can actually change
Choose a reader that supports the ways your customers pay and works with your checkout setup. Compare its upfront and recurring costs separately from the processing rates on your merchant statement.
- Confirm support for chip, contactless and swipe payments your customers use.
- Check device compatibility, connectivity needs and whether a separate phone, tablet or POS system is required.
- Compare hardware and software charges separately from card-present and manually keyed processing rates.
- Use chip or contactless acceptance where available instead of relying on magnetic-stripe payments.
- List payment types. Match the reader's chip, contactless and swipe capabilities to the payment methods you accept in person.
- Price the full setup. Add the reader, required connected devices and software charges to your comparison before choosing hardware.
- Compare transaction rates. Review card-present and manually keyed pricing separately so hardware costs do not obscure your processing costs.
Frequently asked questions
Is a card reader the same as a payment terminal?
No. A card reader captures payment information and sends it for processing. A payment terminal can include a reader along with additional checkout functions, and a point-of-sale system can also handle tasks such as recording sales or updating inventory.
Does a card reader lower processing fees?
A reader does not set or guarantee your processing rate. Card-present transactions can be priced differently from manually keyed transactions, but your processor's pricing determines the rate. Compare those rates separately from equipment and software costs.
Do I need a card reader to accept payments online?
No. A business that accepts payments only online does not need an in-person card reader. You need one when your business accepts card or digital-wallet payments in person, unless you use a compatible phone for contactless acceptance.