Best Payment Processing Software - Page 27

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)

Epoch

Epoch.com, LLC, established in 1996 and headquartered in Santa Monica, California, is an Internet Payment Service Provider specializing in online payment processing for subscription-based websites. The company offers a comprehensive suite of services, including billing, password management, fraud prevention, customer support, and marketing tools, enabling online businesses to accept payments without the need for their own merchant accounts. Key Features and Functionality: - Billing Services: Processes credit card, debit card, and electronic check transactions, facilitating seamless payment experiences for users. - Password Management: Ensures secure access to subscription content through robust password management systems. - Fraud Prevention: Implements advanced measures to detect and prevent fraudulent activities, safeguarding both merchants and consumers. - Customer Support: Provides 24/7 assistance to both merchants and end-users, addressing billing inquiries and technical issues. - Marketing and Retention Tools: Offers tools designed to assist merchants in acquiring and retaining customers, enhancing overall business performance. Primary Value and User Solutions: Epoch's primary value lies in its ability to streamline the payment process for subscription-based online businesses. By offering a comprehensive suite of services, including billing, fraud prevention, and customer support, Epoch enables merchants to focus on their core offerings without the complexities of managing payment systems. This not only enhances operational efficiency but also improves the user experience by ensuring secure and reliable transactions. Additionally, Epoch's marketing and retention tools aid businesses in customer acquisition and retention, contributing to sustained growth and profitability.

Who Is the Company Behind Epoch?

  • Seller: Epoch
  • Year Founded: 2020
  • HQ Location: San Francisco, CA
  • LinkedIn® Page: www.linkedin.com
    48 employees on LinkedIn®

Epsilon

Who Is the Company Behind Epsilon?

  • Seller: GMO Internet Group
  • Year Founded: 1995
  • HQ Location: Shibuya-ku, Tokyo
  • Twitter: @onamaecom
    11,993 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    318 employees on LinkedIn®

equensWorldline

Integrated Payment Software Solutions

Who Is the Company Behind equensWorldline?

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eSocket.POS

eSocket.POS is a sophisticated payments authorization system that offloads all payment processing functions from the POS, enabling retailers to preserve investments, support the latest POS systems capabilities and limit their PCI-DSS scope.

Who Is the Company Behind eSocket.POS?

  • 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

Estel Merchant Payment Solutions

Estel's Merchant Payment Solutions, notably the MultiPay platform, offer a comprehensive and secure system for merchants to accept a wide array of digital payment methods through a single interface. This solution is designed to streamline payment processes, reduce operational complexities, and enhance customer satisfaction by accommodating various payment preferences. Key Features and Functionality: - Unified Payment Acceptance: Supports multiple payment methods, including credit and debit cards, mobile wallets, QR codes, and contactless payments, all through a single application. - Cross-Platform Accessibility: The MultiPay application is compatible with most smartphones, enabling merchants to use their existing devices for payment processing. - Robust Security Measures: Ensures end-to-end security with Point-to-Point Encryption (P2PE, safeguarding transactions from the card reader to the mobile app and beyond. - Real-Time Management: Provides merchants with real-time control over transactions, refunds, and access to comprehensive reports via the Merchant Mobile App and Web Portal. - Customizable Receipts: Offers flexibility in receipt delivery through email, SMS, or optional Bluetooth printers, catering to diverse merchant and customer preferences. Primary Value and User Solutions: Estel's Merchant Payment Solutions address the challenges merchants face in managing multiple payment devices and methods. By consolidating various digital payment options into a single, user-friendly platform, merchants can: - Enhance Operational Efficiency: Reduce the need for multiple devices, leading to cost savings and simplified operations. - Improve Customer Experience: Offer customers their preferred payment methods, increasing satisfaction and loyalty. - Promote a Cashless Economy: Facilitate the transition to digital payments, contributing to broader financial inclusion and economic growth. In summary, Estel's Merchant Payment Solutions empower merchants to embrace digital payments seamlessly, optimize their operations, and meet the evolving demands of today's consumers.

Who Is the Company Behind Estel Merchant Payment Solutions?

etransfer

Accept Credit Card and ACH payments from your website, Facebook and face-to-face

Who Is the Company Behind etransfer?

  • Seller: EFT
  • Year Founded: 1979
  • HQ Location: Virginia Beach, US
  • LinkedIn® Page: www.linkedin.com
    11 employees on LinkedIn®

EVD System

MoboGage EVD System is a premium electronic voucher distribution (EVD) and voucher management platform for telecom airtime, gift cards, and digital vouchers. It covers secure voucher generation, dealer hierarchy and float, inventory lifecycle, and omnichannel sales through web portals, Android/Linux POS (including Sunmi-class terminals), mobile apps, USSD/SMS, and APIs. Operators and VAS partners use it to cut physical voucher OpEx, tighten PIN/fraud controls, and reconcile channel sales with charging. Adjacent capabilities include eTopup and digital wallet / mobile money workflows. Built for telecom and payments teams that need a control plane for prepaid value—not a basic recharge utility.

Who Is the Company Behind EVD System?

  • Seller: MoboGage
  • Year Founded: 2016
  • HQ Location: Goderich, CA
  • LinkedIn® Page: www.linkedin.com
    8 employees on LinkedIn®

Exactly.com

The main drive of Exactly payment system is to be an ideal financial instrument, focused on exactly your payment needs

Who Is the Company Behind Exactly.com?

  • Seller: Exactly
  • Year Founded: 2019
  • HQ Location: St Albans, GB
  • LinkedIn® Page: www.linkedin.com
    50 employees on LinkedIn®

Exact Payments

With cloud POS at your disposal, processing card-present, mail-order or phone-order transactions is simple.

Who Is the Company Behind Exact Payments?

Exela Payment Operations

From optimized billing, statements, and ePresentment solutions, to AP and AR workflow efficiencies and our lockbox and remittance processing platform, Exela has the software, automation technologies, and expertise necessary to take your payment operations to a higher level.

Who Is the Company Behind Exela Payment Operations?

  • Seller: Exela Technologies
  • HQ Location: Irving, US
  • LinkedIn® Page: www.linkedin.com
    6,065 employees on LinkedIn®
  • Ownership: NASDAQ: XELA
  • Total Revenue (USD mm): $1,562

EximPe

A global payment gateway to send and receive trade payments at the best FX rates for importers and exporters.

Who Is the Company Behind EximPe?

  • Seller: EximPe
  • Year Founded: 2021
  • HQ Location: Mumbai, IN
  • LinkedIn® Page: www.linkedin.com
    43 employees on LinkedIn®

EzLink Enterprise EFT Switch

EzLink Enterprise is a PCI S3 Certified, high-performance EFT (Electronic Funds Transfer) switch designed to process, authorize, and route credit and debit card transactions in real time. Built for scalability and flexibility, EzLink supports a wide range of terminals including ATMs, kiosks, POS, and teller systems—across multiple institutions and hardware brands. Powered by EzKernel middleware, it features a multi-layered n-tier architecture and runs on UNIX-based systems like Linux, Solaris, and AIX. EzLink supports global messaging standards such as ISO 8583 and ISO 20022, enabling seamless integration with domestic and international payment networks. Fully certified by Visa, MasterCard, RuPay, and CUP, EzLink is ideal for banks, fintechs, and payment processors looking for a secure, customizable, and future-ready switching solution.

Who Is the Company Behind EzLink Enterprise EFT Switch?

Facilipay

Facilipay is a payment convergence provider delivering omnichannel payment options to businesses and organisations.

Who Is the Company Behind Facilipay?

Fatora

all-in-one tool to take your business online, it provides you with online store & online payment

Who Is the Company Behind Fatora?

  • Seller: Fatora
  • Year Founded: 2017
  • HQ Location: Doha, QA
  • LinkedIn® Page: www.linkedin.com
    16 employees on LinkedIn®
Subhransu Sahu
SS
Researched and written by Subhransu Sahu
Updated April 9, 2026