NRS Pay Blog · Topic
Payments 101
The vocabulary and the plumbing: merchant accounts, gateways, processors, and how a swipe works.
All topics
Payments 101
Newest first
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Payments 101Digital receipts: print, text, or email?
4 min read
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Payments 101The weekly payments review: which reports to check
4 min read
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Payments 101Multi-location payment processing: one account or several?
4 min read
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Payments 101House accounts vs. cards on file for regulars
4 min read
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Payments 101Card-on-file and recurring payments for regular customers
4 min read
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Payments 101Buy now, pay later at the counter: does it fit a small store?
4 min read
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Payments 101QR code payments at the counter: what to know
4 min read
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Payments 101Selling online as a neighborhood store: the payment piece
4 min read
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Payments 101Payment links and invoices for small businesses
4 min read
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Payments 101Taking card payments over the phone, safely
4 min read
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Payments 101Suspect a data breach? What a small store should do first
4 min read
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Payments 1013-D Secure and online card checks, explained
4 min read
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Payments 101Keep payment devices off the guest Wi-Fi
4 min read
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Payments 101Card security codes and ZIP checks: what they actually do
4 min read
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Payments 101Taking cards at farmers markets and street fairs
4 min read
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Payments 101Food truck and pop-up payments that work anywhere
4 min read
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Payments 101Discount and dollar store payments: small tickets, big volume
4 min read
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Payments 101Bakery and café counter payments for the morning rush
4 min read
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Payments 101Deli counter payments: scales, orders, and the lunch rush
4 min read
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Payments 101Laundromat payments: cards, coins, and attendants
4 min read
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Payments 101Beauty supply store payments: big baskets, many small items
4 min read
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Payments 101Convenience store credit card processing, counter by counter
4 min read
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Payments 101Downgraded card transactions: why some sales cost more
4 min read
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Payments 101What is an ISO in merchant services?
4 min read
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Payments 101Average ticket and monthly volume: why your processor asks
4 min read
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Payments 101Issuer, acquirer, processor, network: who does what
4 min read
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Payments 101Offline card processing when your network goes down
4 min read
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Payments 101Partial authorization: when a card covers part of the sale
4 min read
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Payments 101Why rewards and premium cards cost more to accept
4 min read
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Payments 101Keyed-in card sales: when to use them and what they risk
4 min read
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Payments 101Card-present vs. card-not-present transactions
4 min read
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Payments 101PIN debit vs. signature debit at the counter
4 min read
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Payments 101Debit vs. credit card processing: what changes for your store
4 min read
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Payments 101Form 1099-K and your card sales
5 min read
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Payments 101One merchant account or several: payments across two locations
4 min read
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Payments 101Online ordering for a corner store: the payments side
4 min read
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Payments 101Delivery apps and how their money reaches you
5 min read
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Payments 101Bill payment services at the counter
4 min read
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Payments 101Accepting checks in 2026: the honest math
4 min read
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Payments 101Buy now, pay later in a physical store
5 min read
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Payments 101QR code payments at the counter
5 min read
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Payments 101Duplicate charges: causes, fixes, and the apology that works
5 min read
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Payments 101The MATCH list: what it is and how a merchant ends up on it
4 min read
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Payments 101ISO, payment facilitator, or bank: who are you signing with?
5 min read
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Payments 101What underwriting actually looks at on your application
5 min read
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Payments 101"Zero-cost processing": how to read the pitch
5 min read
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Payments 101What may print on a card receipt
4 min read
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Payments 101Store-and-forward: taking cards when the internet drops
5 min read
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Payments 101Taking a card over the phone without getting burned
5 min read
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Payments 101Key-entered card transactions: when they cost more, and how to soften it
5 min read
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Payments 101Debit routing: who picks the network, and why it is your call
5 min read
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Payments 101PIN debit vs. signature debit: what the difference costs you
5 min read
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Payments 101Payment processing terms glossary: 40 words to know
5 min read
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Payments 101Accepting cards vs. ATM only: count the real cost
5 min read
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Payments 101Choosing a payment processor: a checklist of questions
5 min read
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Payments 101New business merchant account: your first 30 days
5 min read
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Payments 101Switching payment processors without disrupting sales
5 min read
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Payments 101What is a payment gateway vs. a payment processor?
4 min read
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Payments 101What is a merchant ID (MID), and where do you find yours?
4 min read
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Payments 101Understanding merchant category codes (MCC)
5 min read
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Payments 101Why cash-only stores quietly lose sales
5 min read
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Payments 101What is a merchant account, and do you actually need one?
5 min read
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Payments 101How credit card processing works, step by step
5 min read
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Payments 101What are merchant services? A plain-English guide
5 min read