Best Payment Processing Software - Page 18

How Many Payment Processing Software Products Does G2 Track?

Total Products under this Category: 558

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
  • 558+ 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

Paysafe

Paysafe is a global payments platform delivering high‑performance infrastructure for growing businesses. With over 30 years of experience, Paysafe enables secure, seamless transactions across card payments, digital wallets, local payment methods, and e-cash solutions. Our flexible, scalable platform connects digital and physical commerce, helping businesses operate confidently across markets, currencies and risk profiles. By adapting around your business, Paysafe lifts performance, resilience, and reliability, supporting growth where it matters most.

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VelocityPay

VelocityPay is the ultimate payment solution for businesses, allowing effortless credit card-to-bank transfers without the hassle of traditional POS systems. With same-day fund transfers, businesses can maximize credit card benefits like deferred payments and rewards. It also offers convenient payment links through the app for customer transactions. Enabled with Tally compatibility for easy reconciliation, and PCI-DSS compliance for safe and secure transactions. Supported by VISA, MasterCard, & Rupay cards, VelocityPay is available on both Android and iOS platforms, making payments simpler and more efficient.

Average Rating: 1.0/5.0

Total Reviews: 1

Who Is the Company Behind VelocityPay?

  • Seller: Velocity
  • Year Founded: 2020
  • HQ Location: Bengaluru, IN
  • Twitter: @velocity_in
    860 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    419 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Small

VoPay

VoPay’s Fintech-as-a-Service platform allows any company to embed financial services and payment capabilities into their existing applications, product or services through a single and scalable API. VoPay’s unified payment technology stack eliminates the need to build the infrastructure and integrate multiple, disparate financial systems. Businesses can go to market faster and offer innovative financial solutions to their customers. Through VoPay’s single API layer, companies can manage the full cycle of money movement from payment and approvals to reconciliation and accounting in a fully integrated, automated and transparent way.

Average Rating: 2.0/5.0

Total Reviews: 1

How Do G2 Users Rate VoPay?

  • Has the product been a good partner in doing business?: 3.3/10 (Category avg: 8.8/10)

Who Is the Company Behind VoPay?

  • Seller: VoPay
  • Year Founded: 2014
  • HQ Location: Vancouver, CA
  • LinkedIn® Page: www.linkedin.com
    38 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Small

WORLD FIRST

WorldFirst helps businesses make international payments easily and securely at speed. Collect, convert, pay and manage your money when it suits you

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate WORLD FIRST?

  • Self Service Portal: 10.0/10 (Category avg: 8.6/10)
  • Level 3: 6.7/10 (Category avg: 7.8/10)
  • Accounting integration: 8.3/10 (Category avg: 8.4/10)

Who Is the Company Behind WORLD FIRST?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of WORLD FIRST?

Zelle

Zelle LLP is an international litigation and dispute resolution law firm with offices in Atlanta, Boston, Dallas, London, Miami, Minneapolis, New York, Philadelphia, San Francisco and Washington, D.C. The Firm excels at handling antitrust, insurance, and other complex litigation on both a national and global scale.

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate Zelle?

  • Self Service Portal: 10.0/10 (Category avg: 8.6/10)

Who Is the Company Behind Zelle?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Zelle?

Zoho Payments

Zoho Payments is a unified payment solution that helps businesses accept and manage online payments, across multiple payment channels and payment methods. Zoho Payments seamlessly connects with business apps and websites, enabling businesses to accept online payments effortlessly.

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate Zoho Payments?

  • Self Service Portal: 5.0/10 (Category avg: 8.6/10)

Who Is the Company Behind Zoho Payments?

  • Seller: Zoho
  • Year Founded: 1996
  • HQ Location: Austin, TX
  • Twitter: @Zoho
    137,880 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    30,766 employees on LinkedIn®
  • Phone: +1 (888) 900-9646

Who Uses This Product?

  • Company Size: 100% Small

What Do G2 Reviewers Say About Zoho Payments?

AI-generated summary from verified user reviews

Pros
  • Users appreciate the clear and organized dashboard of Zoho Payments, enhancing their payment tracking experience significantly.
  • Users appreciate the ease of use of Zoho Payments, benefiting from its seamless integration and straightforward setup.
  • Users value the easy payment collection process with Zoho Payments, enhancing professionalism and efficiency for online services.
  • Users love the easy setup of Zoho Payments, simplifying payment collection and enhancing organization within the Zoho ecosystem.
  • Users value the seamless integrations of Zoho Payments, enhancing efficiency and organization for managing transactions effortlessly.
Cons
  • Users experience payment confirmation delays, leading to client confusion and unnecessary follow-up inquiries about payment status.
  • Users face payment confirmation delays, leading to client confusion and unnecessary follow-up communications.

What Are Recent G2 Reviews of Zoho Payments?

3ENITH

3ENITH is a modern 3rd-party card payment processor for VISA, MasterCard, and UnionPay e-commerce acquirers with 99.99%-fault-tolerant IT infrastructure hosted in TIER III-certified data centers. TechnoBridge is PCI DSS Level 1, PSD2, and GDPR compliant. The head office is located in Riga, Latvia

Who Is the Company Behind 3ENITH?

Accept/Pay Global

Provider of advanced electronic payment services and tools for small and medium-sized businesses, including credit unions, merchants, ISOs, and other companies.

Who Is the Company Behind Accept/Pay Global?

ACH.COM

ACH.COM gives you the most cost efficient electronic transactions for your business and allows you to easily streamline your accounting operations.

Who Is the Company Behind ACH.COM?

ACH Universal

Create ACH / NACHA files and Canada EFT files quickly and easily. Works with Excel and csv files, as well as QuickBooks, QuickBooks Online, SQL Server and legacy systems. 100% compatible with all US banks that accept ACH files, as well as the Big 5 Canadian (and smaller) banks. Emails to vendors (ACH Universal Corporate and Processor) include a detailed check stub remittance. 30 day free trial.

Who Is the Company Behind ACH Universal?

  • Seller: Treasury Software
  • Year Founded: 1999
  • HQ Location: Glen Allen, US
  • Twitter: @GoTreasury
    72 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    13 employees on LinkedIn®

ACI

Universal Payments helps innovate and thrive by combining payment capabilities in new and different ways while maintaining the performance, security and scalability. Through comprehensive suite of software and SaaS-based solutions, ACI UP delivers real-time, any-to-any payments capabilities and enable the industry’s most complete omni-channel payments experience.

Who Is the Company Behind ACI?

  • Seller: ACI Worldwide
  • Year Founded: 1975
  • HQ Location: Coral Gables, US
  • Twitter: @ACI_Worldwide
    8,621 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    4,944 employees on LinkedIn®
  • Ownership: NASDAQ: ACIW

Acqra

Acqra is a Hong Kong-based fintech company specializing in comprehensive e-commerce payment solutions. Established in 2015 by a team with over a decade of experience in the payment industry, Acqra is dedicated to providing convenient, affordable, and secure payment services to merchants worldwide. Their platform supports a wide range of payment methods, including major credit cards and popular digital wallets, facilitating seamless transactions for online businesses. Key Features and Functionality: - Multi-Payment Channel Integration: Acqra's platform consolidates various payment channels into a single interface, allowing merchants to accept payments from Visa, Mastercard, UnionPay, JCB, Alipay, and WeChat Pay. This integration simplifies the payment process and enhances transaction success rates. - eKYC Technology: Utilizing advanced electronic Know Your Customer (eKYC technology, Acqra enables swift and accurate merchant approvals. This is particularly beneficial for small and medium-sized enterprises (SMEs) that may lack extensive processing histories. - Chargeback and Fraud Management: The platform includes robust systems for managing chargebacks and fraud, providing timely alerts and insights through big data analytics. This proactive approach helps merchants mitigate risks and maintain secure operations. - PCI-DSS Compliance: Acqra adheres to the Payment Card Industry Data Security Standard (PCI-DSS, ensuring that all transactions are conducted securely and in compliance with industry regulations. Primary Value and Solutions Provided: Acqra addresses the challenges faced by online merchants, especially SMEs, in navigating complex payment landscapes and managing associated risks. By offering a unified payment solution with advanced risk management tools, Acqra empowers merchants to focus on growing their businesses without the burden of integrating multiple payment systems or handling security concerns. Their commitment to innovation and security positions them as a trusted partner for e-commerce businesses seeking efficient and reliable payment processing solutions.

Who Is the Company Behind Acqra?

  • Seller: Acqra
  • Year Founded: 2015
  • HQ Location: Hong Kong, HK
  • LinkedIn® Page: www.linkedin.com
    7 employees on LinkedIn®

ACTIVE Payment Manager

Who Is the Company Behind ACTIVE Payment Manager?

  • Seller: Global Payments
  • Year Founded: 1967
  • HQ Location: Atlanta, US
  • Twitter: @GlobalPayInc
    6,042 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    25,141 employees on LinkedIn®
  • Ownership: NYSE:GPN

Acumen Connections

Acumen Connections provides payment processing for your online and in-person sales needs. We can set you up with a POS system. We carry payment gateways for your ecommerce site. We have mobile POS systems for your business on the go. We have card readers for your traditional brick-and-mortar store. We help businesses save money and get paid!

Who Is the Company Behind Acumen Connections?

Adfin

Adfin helps businesses get paid faster, with less admin and at lower cost. Our all-in-one platform simplifies accounts receivable by automating payment collection, reconciliation and credit control, all in one place. Businesses can accept payments via card, bank, direct debit, Apple Pay and Google Pay, with built-in reminders, partial payments, and flexible invoicing. Adfin connects seamlessly to tools like Xero, QuickBooks and any other tool your business uses, making it easy to integrate into existing workflows. From small businesses to large firms, Adfin helps teams reduce manual work, improve cash flow, and automate back-office finance.

Who Is the Company Behind Adfin?

  • Seller: Adfin
  • Year Founded: 2024
  • HQ Location: London, GB
  • LinkedIn® Page: www.linkedin.com
    23 employees on LinkedIn®

Aeropay

Aeropay is a financial technology company that helps people move money with bank-to-bank (ACH) transfers. We enable businesses to accept compliant, cashless and digital payments giving customers the freedom to spend. Leaving cash and cards behind and paying with a personal mobile device promotes safety, convenience and a modern lifestyle.

Who Is the Company Behind Aeropay?

  • Seller: Aeropay
  • Year Founded: 2017
  • HQ Location: Chicago, IL
  • Twitter: @aeropay
    1,278 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    85 employees on LinkedIn®
Subhransu Sahu
SS
Researched and written by Subhransu Sahu
Updated April 9, 2026