Best Payment Processing Software - Page 15

How Many Payment Processing Software Products Does G2 Track?

Total Products under this Category: 770

Category Stats (Oct 2026)

  • Average Rating: 4.36/5 The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: Worldpay (+1.74%) - Among all products in this category, Worldpay recorded the largest rating increase compared to last month

Last updated: October 16, 2026

How Does G2 Rank Payment Processing Software Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 23,000+ Authentic Reviews
  • 770+ 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, Nickel, and Stripe Payments.

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

ChargeStripe

Charge for goods or services using nothing but your phone, tablet, or optional card reader. iOS and Android apps featuring swipe, type, and camera scanner payment options. Also, customer support from a human and a robust feature roadmap assures we’ve got you covered.

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate ChargeStripe?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 8.8/10)

Who Is the Company Behind ChargeStripe?

  • Seller: SureSwift Capital
  • Year Founded: 2015
  • HQ Location: Victoria, CA
  • Twitter: @vitay_io
    39 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    66 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of ChargeStripe?

What Are G2 Users Discussing About ChargeStripe?

Chloepay

Chloepay by Chloe.ai, enables small to mid-market business owners to engage with customers across a multitude of platforms and media. Integrations with Intuit QuickBooks, Xero, Microsoft Dynamics, Slack, WhatsApp, and more ensure seamless invoicing and payments where your customers live and work. Chloepay also uses the same payment processing platform as Stripe, delivering best-in-class security and regulatory compliance. Chloe.ai also offers bank deposit accounts, virtual corporate cards, and free ACH transactions on select plans. Just a few of the advantages of choosing Chloepay include: • Transaction-based plans with no monthly subscription fee • Affordable subscription plans with zero-fee processing options • Simple SMS and mobile payments that your customers will love • Social media invoicing and payment options • Access to API's and custom development (fees may apply) • Integration with major CRM (Salesforce), accounting, and social platforms

Average Rating: 3.5/5.0

Total Reviews: 1

How Do G2 Users Rate Chloepay?

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

Who Is the Company Behind Chloepay?

Who Uses This Product?

  • Company Size: 100% Large

Compass Payments Suite

An automated virtual terminal that enables your organization to accept electronic payments over the phone at any time. Transactions are completed quickly & easily without intervention from a live agent. Benefits • Accessible to customer 24/7 • Increase business revenue • Reduce bank fees & credit card fees • No additional equipment to buy • Reduces staff labor hours — no check handling • Multi-lingual for non-English speaking customers • Immediately updates customer accounts w/ optimal integration • Custom reporting for business • Improve customer service and convenience

Average Rating: 4.0/5.0

Total Reviews: 1

Who Is the Company Behind Compass Payments Suite?

  • Seller: IVR Technology Group
  • Year Founded: 1996
  • HQ Location: Buffalo, US
  • Twitter: @IVRTechGroup
    1,067 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    44 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Compass Payments Suite?

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eFAWATEERcom

eFAWATEERcom streamlines the billing and collection process for businesses and consumers alike. It runs on a scalable, microservices-based architecture that accommodates billers, banks and payment service providers. The system uses RTGS (Real Time Gross and Settlement System) to enable real time settlements that can be configured to handle multiple sessions.

Average Rating: 4.0/5.0

Total Reviews: 1

How Do G2 Users Rate eFAWATEERcom?

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

Who Is the Company Behind eFAWATEERcom?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of eFAWATEERcom?

Finix

From startups to publicly traded companies, Finix’s end-to-end platform equips you with all the tools you need to process online, in-person and mobile payments. With thousands of payment configurations possible, and 99.999% uptime, Finix is rewriting the payments industry one API at a time to lower barriers to entry, drive competition, and make the ecosystem more equitable and accessible. Engineered to support the most complex payments use cases and be configurable to your unique business needs, innovative companies of all sizes Finix’s our flexible, enterprise-grade technology to deliver seamless payment experiences and drive revenue growth.

Average Rating: 0.5/5.0

Total Reviews: 1

How Do G2 Users Rate Finix?

  • Has the product been a good partner in doing business?: 0.0/10 (Category avg: 8.8/10)

Who Is the Company Behind Finix?

  • Seller: Finix
  • Year Founded: 2015
  • HQ Location: San Francisco, US
  • LinkedIn® Page: www.linkedin.com
    359 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Small

GigShield AI

GigShield is an escrow platform for the gig economy. Clients deposit funds before work starts, professionals get guaranteed pay, and disputes are resolved by an AI mediator in minutes instead of weeks.

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate GigShield AI?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 8.8/10)

Who Is the Company Behind GigShield AI?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of GigShield AI?

Global Payments Integrated

Global Payments Integrated helps businesses succeed by delivering secure and personalized payment solutions, allowing developers of business management solutions to accept payments through their systems and add value to their software. While many processors offer payments tied to antiquated platforms designed to support stand-alone systems, the Global Payments Integrated platform provides custom, scalable and fast payment solution integration – accommodating the swiftly-shifting ways consumers pay for goods and services. With this visionary payment processing platform, Global Payments Integrated helps business management software companies grow their business through our embedded commerce services, bolster customer loyalty with unique payments solutions, and improve profitability.

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate Global Payments Integrated?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 8.8/10)
  • Accounting integration: 10.0/10 (Category avg: 8.4/10)

Who Is the Company Behind Global Payments Integrated?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Global Payments Integrated?

goEmerchant

GoEmerchant provides an affordable E-commerce solutions for small businesses. GoEmerchant provides all the tools you need: - Internet merchant account, - shopping cart software, - secure payment gateway, - E-commerce hosting, - website hosting, - marketing tools, - domain name registration.

Average Rating: 4.0/5.0

Total Reviews: 1

How Do G2 Users Rate goEmerchant?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 8.8/10)

Who Is the Company Behind goEmerchant?

  • Seller: goEmerchant
  • Year Founded: 1995
  • HQ Location: Fort Worth, US
  • Twitter: @GoEmerchant
    183 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    18 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of goEmerchant?

What Are G2 Users Discussing About goEmerchant?

GR4VY

Gr4vy is a cloud-native payment orchestration platform designed to simplify and optimize payment processes for enterprise merchants and platforms. By offering a centralized, no-code environment, Gr4vy enables businesses to manage and customize their payment strategies efficiently, reducing complexity and accelerating time to market. With access to over 400 payment methods and providers through a single integration, merchants can create bespoke checkout experiences tailored to their customers' preferences. Gr4vy's infrastructure-as-a-service model ensures dedicated cloud instances, providing resilience, redundancy, and high performance, while maintaining PCI DSS Level 1 compliance to secure sensitive payment data. Key Features and Functionality: - Extensive Payment Method Access: Connect to over 400 payment methods and providers worldwide through a single integration, facilitating global expansion and customer satisfaction. - No-Code Rules Engine: Implement dynamic and intelligent routing and retry rules without the need for engineering effort, optimizing transaction success rates. - Customizable Checkout Experiences: Personalize payment options displayed to customers, enhancing user experience and conversion rates. - Secure Card Vaulting and Tokenization: Safely store and manage card data, ensuring compliance and reducing the risk of data breaches. - Dedicated Cloud Infrastructure: Utilize isolated cloud instances to eliminate single points of failure, ensuring high availability and performance. Primary Value and Problem Solved: Gr4vy empowers merchants to take full control of their payment ecosystems by simplifying the integration and management of multiple payment service providers and methods. This approach reduces the technical complexities and compliance burdens associated with payment processing. By offering a flexible, scalable, and secure platform, Gr4vy enables businesses to optimize their payment strategies, increase conversion rates, and expand into new markets swiftly, all while maintaining high performance and reliability.

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate GR4VY?

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

Who Is the Company Behind GR4VY?

  • Seller: GR4VY
  • Year Founded: 2020
  • HQ Location: San Mateo, US
  • LinkedIn® Page: www.linkedin.com
    58 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Small

What Do G2 Reviewers Say About GR4VY?

AI-generated summary from verified user reviews

Pros
  • Users love the easy payment orchestration features of GR4VY, simplifying transaction management for their platforms.
Cons
  • Users often face integration issues that hinder seamless functionality with their platforms when using GR4VY.

What Are Recent G2 Reviews of GR4VY?

Instant

Instant is a powerful retention marketing and identity resolution platform built specifically for eCommerce brands looking to convert more site visitors and boost revenue. Traditional cookie tracking leaves massive gaps in the customer journey. Instant fills those gaps by helping merchants identify who’s visiting their site even if they haven’t logged in, opted in, or made a purchase. With Instant’s server-side tracking and first-party data capture, you can resolve anonymous traffic into real, high-intent profiles and turn them into revenue-driving touchpoints. Instant integrates directly with platforms like Shopify and Klaviyo making it easy to activate your data across all major channels. Trusted by over 500 top eCommerce brands, including ThirdLove, TRX, and Parisa Wang, Instant empowers teams to: Identify opted-in visitors in real time Trigger more personalized abandonment and re-engagement flows in Klaviyo Retarget high-intent shoppers across Meta and Google with precision Increase retention and customer lifetime value (LTV) with smarter flows Setup takes less than 15 minutes, and results are typically seen within days—not weeks. Whether you’re trying to fix abandoned cart recovery, improve email and SMS performance, or increase the ROI of your paid campaigns, Instant helps you make the most of your traffic. If you’re serious about retention, customer identity resolution, and scaling profitably without relying on third-party cookies, Instant is the solution built for you.

Average Rating: 4.5/5.0

Total Reviews: 1

Who Is the Company Behind Instant?

  • Seller: Instant
  • Year Founded: 2021
  • HQ Location: New York City, US
  • LinkedIn® Page: www.linkedin.com
    102 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Small

What Do G2 Reviewers Say About Instant?

AI-generated summary from verified user reviews

Pros
  • Users appreciate the ease of use of Instant, benefiting from quick lead sourcing and seamless integration with tools.
  • Users value the seamless CRM integration of Instant, enhancing their lead sourcing efficiency and workflow management.
  • Users value the easy integration with CRMs and Google Sheets for streamlined lead sourcing.
  • Users value the easy integrations with CRMs and Google Sheets for fast lead sourcing with Instant.
  • Users highlight Instant's efficiency, praising its reliability and impressive speed in delivering promised services.
Cons
  • Users find the pricing jumps quickly, making Instant too expensive for personal Gmail use.

What Are Recent G2 Reviews of Instant?

InvoiceCloud

InvoiceCloud is a leading provider of cloud-based electronic bill presentment and payment (EBPP) solutions, helping more than 3,250 utilities, government agencies, and insurance organizations modernize how they engage with customers. InvoiceCloud's SaaS platform drives higher digital payment, AutoPay, and paperless adoption rates—improving customer satisfaction while reducing costs, accelerating payments, and easing staff workloads. With a mission to make digital payments accessible for everyone, InvoiceCloud combines intuitive user experiences, omnichannel payment options, and AI-driven innovation to deliver secure, seamless billing at scale.

Average Rating: 5.0/5.0

Total Reviews: 1

Who Is the Company Behind InvoiceCloud?

  • Seller: InvoiceCloud
  • Year Founded: 2009
  • HQ Location: Boston, Massachusetts, United States
  • LinkedIn® Page: www.linkedin.com
    544 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of InvoiceCloud?

iwoca Pay

Get your invoices paid sooner by making it easier to pay with iwocaPay. Your customers choose to pay now or pay over 3 instalments, and you get paid up front every time.

Average Rating: 4.0/5.0

Total Reviews: 1

Who Is the Company Behind iwoca Pay?

  • Seller: iwoca
  • Year Founded: 2012
  • HQ Location: West End, GB
  • LinkedIn® Page: uk.linkedin.com
    614 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of iwoca Pay?

What Are G2 Users Discussing About iwoca Pay?

IXOPAY

IXOPAY is the performance layer powering global payments for the agentic era. Its configurable enterprise payments solution unifies payment orchestration, tokenization, and intelligence, providing merchants with a configurable infrastructure to optimize their payments performance. Built with enhanced payments intelligence and an AI agentic navigator, IXONav, merchants across the globe are empowered with the tools to make confident and precise decisions at every step of their payments journey. Today, IXOPAY connects merchants worldwide to more than 200 payment service providers, 300 payment methods, and a growing global network of innovative payment partners and solutions.

Average Rating: 4.6/5.0

Total Reviews: 17

How Do G2 Users Rate IXOPAY?

  • Has the product been a good partner in doing business?: 9.9/10 (Category avg: 8.8/10)

Who Is the Company Behind IXOPAY?

  • Seller: TokenEx
  • Year Founded: 2010
  • HQ Location: Edmond, Oklahoma
  • Twitter: @TokenEx
    1,206 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    19 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 47% Small, 41% Medium

What Are Recent G2 Reviews of IXOPAY?

Kill Bill

Kill Bill is an open source billing and payments platform for subscription and usage based businesses. The core is free and released under the Apache 2.0 license. It has been in production since 2010, has processed billions of dollars in revenue, and manages more than 100,000 subscriptions, for companies from growth stage startups to the Fortune 500. Fixed price, not a share of your revenue Kill Bill open source is free. Aviate costs 9,999 USD per month, billed annually. There is no percentage of revenue and no per transaction charge. Your billing cost is not tied to how fast you grow. You run it, you keep the data The platform runs in your own cloud account and your own database. Your billing data never leaves your infrastructure, which helps with data residency and audit requirements. The architecture is self hosted and auditable, with the technical controls needed for PCI compliance, including encryption at rest and in transit. The source code is public, so your team can review it before buying anything. You can install it yourself, deploy it from the AWS Marketplace, or have it operated for you on the Kill Bill Hosted Platform. A sandbox is available if you want to test it first. What the open source core covers Subscriptions: catalogs, plans, trials, add ons, upgrades, downgrades, and proration. Invoicing: recurring and one off invoices, credits, adjustments, and multiple currencies. Payments: gateway plugins maintained in the project, with payment retries and dunning rules included. Usage based and hybrid pricing: pre aggregated usage per subscription, with volume tiers next to fixed fees. Account hierarchies with parent and child invoicing, and multi tenancy to run several brands or divisions on one deployment. REST APIs and a plugin framework, so you add your own rules inside the platform instead of building systems around it. Kaui, the admin console used by finance, operations, support, and product teams. What Aviate adds Aviate is the enterprise version of Kill Bill, and it runs on the same deployment as the core. It adds dynamic catalog management through APIs, metering and usage billing, a wallet with prepaid credits, coupons and discounts, tax computation with connectors to Avalara AvaTax and Vertex, custom invoice sequencing, an admin workspace and health monitoring. Support is included in Aviate: Level 3 support through a dedicated Slack channel, directly with the engineers who build the platform, with a response within 1 business day for P1 issues. Kill Bill fits teams that need to own their billing logic: complex catalogs, usage based models, account hierarchies, several payment providers, or strict data residency rules. Finance and operations run the day to day in Kaui. Engineering keeps control of the model and the data.

Average Rating: 4.5/5.0

Total Reviews: 2

How Do G2 Users Rate Kill Bill?

  • Has the product been a good partner in doing business?: 8.3/10 (Category avg: 8.8/10)
  • Self Service Portal: 10.0/10 (Category avg: 8.6/10)

Who Is the Company Behind Kill Bill?

  • Seller: Kill Bill
  • Year Founded: 2010
  • HQ Location: San Francisco, California, United States
  • Twitter: @killbillio
    967 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    14 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Kill Bill?

LexisNexis Payment Solutions

LexisNexis Payment Solutions supports government agencies of all types that want to operate more efficiently, reduce their PCI scope, and give customers an easy payment processing experience as well. Government agencies depend on receipt of funds to serve their citizens, and LexisNexis Payment Solutions makes sure they get those funds as quickly, affordably and painlessly as possible.

Average Rating: 5.0/5.0

Total Reviews: 1

Who Is the Company Behind LexisNexis Payment Solutions?

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of LexisNexis Payment Solutions?

What Are G2 Users Discussing About LexisNexis Payment Solutions?

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