Payment Processor
The company that moves payment data and funds between your customer's bank, the card networks, and your account when you get paid.
Definition
A payment processor is the company that handles the technical and financial plumbing of getting you paid. When a client pays your invoice by card or bank transfer, the processor transmits the transaction details to the card networks and banks, verifies the funds, and routes the money into your account. It sits between your invoicing tool and the broader banking system.
Modern processors usually bundle several roles that used to be separate: the payment gateway that captures payment details online, the merchant account that holds funds before payout, and fraud screening. You sign up once, connect your bank account, and the processor handles authorization, settlement, payouts, and reporting in exchange for a per-transaction fee, commonly around 2.9% plus 30 cents for online card payments.
Why It Matters
Your choice of processor directly affects how much of each invoice you keep and how fast the money reaches you. A processor charging 2.9% + $0.30 takes $145.30 from a $5,000 invoice, and payout schedules range from same-day to several business days. Comparing fees, payout speed, and ACH support is one of the highest-leverage money decisions a small business makes.
Processors also control your risk exposure. They can hold funds, impose rolling reserves, or freeze accounts when they see unusual activity, like a sudden spike from a big invoice. Keeping your account in good standing and understanding your processor's policies protects you from a surprise hold right when you need the cash.
Examples
- 1
A copywriter connects a payment processor to her invoicing software; clients pay by card and she receives payouts two business days later, minus 2.9% + $0.30 per transaction.
- 2
An agency invoicing $40,000 a month negotiates a lower processing rate of 2.5%, saving about $160 every month.
- 3
A new business owner's processor holds a $12,000 payment for review because it is ten times his average transaction size; it is released after he provides the signed contract.
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