Best Payment Processing Software - Page 39

How Many Payment Processing Software Products Does G2 Track?

Total Products under this Category: 571

Category Stats (Aug 2026)

  • Average Rating: 4.35/5 (↓0.03 vs Jul 2026) The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: QuickBooks Payments (+2.83%) - Among all products in this category, QuickBooks Payments recorded the largest rating increase compared to last month

Last updated: August 05, 2026

How Does G2 Rank Payment Processing Software Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 22,000+ Authentic Reviews
  • 571+ Products
  • Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

G2 Grid® for Payment Processing Software

G2 Grid® for Payment Processing Software plotting products by satisfaction and market presence

Highlighted products: PayPal Payments, Amazon Pay for Business, Venmo, BILL AP/AR, Adyen Payments, Stripe Payments, Nickel, and PayPal Checkout.

Underlying data: [Grid® JSON](https://www.g2.com/categories/payment-processing/grids.json?focus%5B%5D=paypal&focus%5B%5D=amazon-pay-for-business&focus%5B%5D=paypal-venmo&focus%5B%5D=bill-ap-ar&focus%5B%5D=adyen-payments&focus%5B%5D=stripe-stripe-payments&focus%5B%5D=nickel&focus%5B%5D=paypal-checkout)

Sponsored

Nickel

Cashflow is the lifeblood of every American business, yet the financial services you rely on to move, save, and borrow money quietly bleed it. Nickel is a different kind of company. We're an all-in-one accounts payable (AP) and accounts receivable (AR) platform that gives your business the financial products, software, and AI it needs to grow its cashflow. We only succeed when you succeed, which is why we do the one thing our peers won't: we publish exactly how we make money on every product. It's not a marketing stunt. It's the most transparent payment processor you'll find, and a new bar for the industry. More than 25,000 B2B businesses, and the accountants who serve them, run their cashflow on Nickel with free unlimited ACH and some of the lowest fees in the industry. Here's what you can do with Nickel: Get paid faster, Accounts Receivable. Create branded payment links and payment portals in seconds and share them by text, email, or your website. Customers pay by card, ACH, or check, and they never need a Nickel account. Save payment methods on file with Nickel Plus to enable one-click and recurring payments. Pay vendors without the busywork, Accounts Payable. Pay any business, 1099 contractor, or individual by ACH, card, wire, or mailed check using just their email address. Set custom approval workflows so large payments always get the right sign-off. Keep more of every dollar, transparent by design. Free unlimited ACH with no per-transaction percentage and no volume cap, on the Nickel Core plan with no monthly fee. No chargeback fees and no hidden costs, plus a published breakdown of how we make money on every product. Competitive 2.9% flat-rate card processing on all domestic cards, with the option to pass card fees to the payer. Built to handle high-value B2B transactions up to $1M without a hitch on Nickel Plus. Stay in sync and in control. Native QuickBooks sync (Online, Desktop, and Enterprise) means every payment matches your books one-to-one, with no batch deposits and no double entry. A Master Account and Subaccount structure lets you manage multiple businesses or clients under a single login. Earn 2% APY on idle cash in Nickel Balance, accrued daily. Developers can build on Nickel's REST API and webhooks for ACH, card, and wire with Nickel Pro. Backed by AI and real humans. CC Penny, Nickel's AI accountant, on any email to coordinate and handle a payment for you. And when money's on the line, a US-based support team is ready to assist you. We're setting an audacious new bar for transparency in financial services, and we want you to hold us to it. Don't ever settle for less. Join 25,000+ businesses moving their money on Nickel. Get started for free in five minutes, with no credit card required.

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Zru

Zru is a unified payment infrastructure and orchestration platform that helps businesses connect, manage, and optimize multiple payment providers through a single integration. With Zru, merchants can enable alternative payment methods without code, orchestrate transactions to improve conversion rates and reduce costs, and customize their checkout experience to match their brand. Zru also supports marketplace operations, making it easy to manage complex payment flows, split payouts, and reconcile transactions in one centralized dashboard.

Who Is the Company Behind Zru?

Subhransu Sahu
SS
Researched and written by Subhransu Sahu
Updated April 9, 2026