Best Payment Processing Software - Page 21

How Many Payment Processing Software Products Does G2 Track?

Total Products under this Category: 758

Category Stats (Oct 2026)

  • Average Rating: 4.36/5 (↑0.01 vs Sep 2026) The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: Esker (+4.9%) - Among all products in this category, Esker recorded the largest rating increase compared to last month

Last updated: October 01, 2026

How Does G2 Rank Payment Processing Software Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 22,400+ Authentic Reviews
  • 758+ 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, PayPal Checkout, Stripe Payments, and Nickel.

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=paypal-checkout&focus%5B%5D=stripe-stripe-payments&focus%5B%5D=nickel)

AI can help you find the answers. G2 helps you trust them.

Connect G2 to Claude or ChatGPT for answers grounded in G2's trusted reviews, comparisons, and pricing from real user insights.

How it works

Bill Payment Engine API

ACI Bill Payment Application Program Interface (API) allows you to outsource your bill pay processing while maintaining control of the user interface.

Who Is the Company Behind Bill Payment Engine API?

  • Seller: ACI Worldwide
  • Year Founded: 1975
  • HQ Location: Coral Gables, US
  • Twitter: @ACI_Worldwide
    8,621 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    4,970 employees on LinkedIn®
  • Ownership: NASDAQ: ACIW

BizPayO

BizPayO is an all-in-one payment processing, accounts receivable automation, and reputation management platform designed to help businesses simplify collections, improve cash flow, and build trust. FLEXIBLE PAYMENT PROCESSING Accept credit card and ACH payments for one-time, recurring, or invoice payments, with fee-recovery options to offset processing costs. SMART PROPOSALS & PAYMENT LINKS Send secure payment links and digital proposals to streamline client approvals and get paid faster. QUICKBOOKS SYNC & REPORTING Sync payment data in real-time with QuickBooks for effortless reconciliation, while gaining clear visibility into transactions and receivables. AUTOMATED GOOGLE REVIEWS Automatically send review requests after payment completion to boost your Google Business Profile rating and local search visibility. By bringing payments, receivables, and reputation management together in one platform, BizPayO eliminates fragmented tools so businesses can operate more efficiently.

Who Is the Company Behind BizPayO?

  • Seller: BizPayO
  • Year Founded: 2013
  • HQ Location: N/A
  • Twitter: @bizpayo
    10 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    2 employees on LinkedIn®

Blink Payment

Blink Payment is an all-in-one payment platform designed to help UK businesses streamline payments, reduce administrative burden, and improve cash flow. Our unified dashboard lets users manage payments across online, in-person, and phone channels, ensuring a seamless experience for every transaction. Blink Payment supports SMEs across diverse industries with complex payment requirements, such as property management, legal services, construction and timber merchants, storage and removals, tool and plant hire, and waste management. We focus on sectors where timely payments are essential for business success. In addition to serving direct merchants, Blink Payment partners with software providers to embed our payment infrastructure into their platforms. Our robust API enables software businesses to deliver a fully integrated payment experience for their customers, eliminating the need for in-house development. Key features and benefits: * Accept payments via cards, open banking, digital wallets, and Direct Debit * Offer paylinks, virtual terminals, batch payments, and recurring payment options * Integrate natively with Xero, QuickBooks, and Sage for effortless accounting Trusted by thousands of UK businesses, Blink Payment also offers responsive UK-based support, with average response times of just 6 seconds. Why choose Blink Payment? Our platform is built with flexibility and scalability in mind, making it suitable for growing businesses as well as established enterprises. We understand that every business has unique payment needs, which is why our solution is highly customisable. From simple payment links to advanced automation and reconciliation tools, Blink Payment adapts to your workflows, helping you save time and reduce costly errors. Security is at the core of everything we do. Blink Payment is PCI DSS compliant and employs industry-leading encryption standards to safeguard sensitive data and transactions. Our platform is regularly updated to keep pace with the latest security threats, so you can focus on your business with peace of mind. We prioritise transparency, reliability, and a customer-first approach in every interaction. Our dedicated UK-based support team ensures help is always at hand, with an average response time of just 6 seconds. Whether you're looking to simplify your payment processes, provide a better experience for your customers, or integrate payments seamlessly into your software, Blink Payment is your trusted partner. Join thousands of satisfied clients who have transformed their payment operations with us.

Who Is the Company Behind Blink Payment?

  • Seller: Blink Payment
  • Year Founded: 2012
  • HQ Location: London, England, United Kingdom
  • Twitter: @blinkpayment
    1,822 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    139 employees on LinkedIn®
  • Phone: 0345 481 2178

Bold

Bold operates a fintech company that allows small LATAM merchants to accept digital payments through credit and debit cards, national and international for both contactless and chip transactions, allowing businesses to unlock alternative payment methods and increase revenue

Who Is the Company Behind Bold?

  • Seller: Bold
  • Year Founded: 2011
  • HQ Location: Stockholm, SE
  • Twitter: @boldscandinavia
    710 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    68 employees on LinkedIn®

Book4Time Pay

Who Is the Company Behind Book4Time Pay?

  • Seller: Book4Time
  • Year Founded: 2004
  • HQ Location: Markham, CA
  • Twitter: @Book4Time
    629 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    70 employees on LinkedIn®

borderless

borderless™ is a global payments company enabling payouts for marketplaces and businesses worldwide. borderless™ offers a variety of payments products including contractor payouts, marketplace payout API, and embedded payments partner API.

Who Is the Company Behind borderless?

  • Seller: borderless
  • Year Founded: 2016
  • HQ Location: Louisville, Kentucky
  • LinkedIn® Page: www.linkedin.com
    6 employees on LinkedIn®

BPAY

Who Is the Company Behind BPAY?

Braspag

Who Is the Company Behind Braspag?

  • Seller: Braspag
  • Year Founded: 1995
  • HQ Location: Barueri, São Paulo, Brazil
  • LinkedIn® Page: www.linkedin.com
    9,860 employees on LinkedIn®
Subhransu Sahu
SS
Researched and written by Subhransu Sahu
Updated April 9, 2026