# Best Payment Processing Software - Page 18

## How Many Payment Processing Software Products Does G2 Track?

**Total Products under this Category:** 557

### 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
- 21,900+ Authentic Reviews
- 557+ 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](https://www.g2.com/categories/payment-processing/grids.png?focus%5B%5D=1222&focus%5B%5D=15655&focus%5B%5D=59025&focus%5B%5D=6006&focus%5B%5D=4311&focus%5B%5D=97943&focus%5B%5D=1370291&focus%5B%5D=1191)

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

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=freshbooks)

**Sponsored**

### 8am CPACharge

8am CPACharge is trusted by the AICPA, 35+ state CPA societies and more than 150,000 professionals as the best payment solution for CPAs, Enrolled Agents and Accountants—providing a simple, secure way for accounting firms to accept client credit, debit, and eCheck payments from anywhere at anytime. With next-day payments, you can keep cash flow predictable and your firm moving forward without delays.

[Visit website](https://www.g2.com/external_clickthroughs/record?secure%5Bad_program%5D=ppc&secure%5Bad_slot%5D=category_product_list_llm&secure%5Bcategory_id%5D=1975&secure%5Bchosen_at%5D=2026-08-06T11%3A16%3A44Z&secure%5Bdisplayable_resource_id%5D=1975&secure%5Bdisplayable_resource_type%5D=Category&secure%5Bmedium%5D=sponsored&secure%5Bplacement_reason%5D=page_category&secure%5Bplacement_resource_ids%5D%5B%5D=1975&secure%5Bprioritized%5D=false&secure%5Bproduct_id%5D=113232&secure%5Bresource_id%5D=1975&secure%5Bresource_type%5D=Category&secure%5Bsource_type%5D=category_page&secure%5Bsource_url%5D=https%3A%2F%2Fwww.g2.com%2Fcategories%2Fpayment-processing%3FhsCtaTracking%3Da15f9a47-d2d3-4a09-bb8b-c434c5dbfc62%257C078495b8-b7a6-4d69-a4c5-7a7dc02ccf3d%26page%3D18&secure%5Btoken%5D=610a5c2a8411e6d8e3f526436795c3f3609f8fb6ea9e2e349e68ccb476c15376&secure%5Burl%5D=https%3A%2F%2Fwww.8am.com%2Flanding%2Fcpacharge%2F%3Futm_campaign%3Dcpa-evergreen-g2clicks%26utm_medium%3Dreview%26utm_source%3Dg2&secure%5Burl_type%5D=book_demo)

### [WORLD FIRST](https://www.g2.com/products/world-first/reviews)

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?

- **Online payment 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?

- **Seller:** [WORLD FIRST](https://www.g2.com/sellers/world-first)
- **Year Founded:** 2004
- **HQ Location:** London, GB
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=d3fd111de98896b5857f057cadfee7635b2553dfb2e59c812fc22a7ce9183c70&secure%5Burl%5D=http%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fworld-first&secure%5Burl_type%5D=linkedin_company_website)  
336 employees on LinkedIn®

#### Who Uses This Product?

- **Company Size:** 100% Small

#### What Are Recent G2 Reviews of WORLD FIRST?

**["Easy to use and best customer service"](https://www.g2.com/survey_responses/world-first-review-8723575)**

**Rating:** 5.0/5.0 stars

_— Verified User in Retail_

[Read full review](https://www.g2.com/survey_responses/world-first-review-8723575)

### [Zelle](https://www.g2.com/products/zelle/reviews)

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?

- **Online payment portal:** 10.0/10 (Category avg: 8.6/10)

#### Who Is the Company Behind Zelle?

- **Seller:** [Zelle](https://www.g2.com/sellers/zelle)
- **HQ Location:** N/A
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=d000b468936cd414228ad9536ae01d2e2ed876139d60334439ce2862132132c2&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fzellepay%2F&secure%5Burl_type%5D=linkedin_company_website)  
1 employees on LinkedIn®

#### Who Uses This Product?

- **Company Size:** 100% Small

#### What Are Recent G2 Reviews of Zelle?

**["Secure, Effortless Payments with Friends, Family, and Clients"](https://www.g2.com/survey_responses/zelle-review-12708256)**

**Rating:** 5.0/5.0 stars

_— Verified User in Primary/Secondary Education_

[Read full review](https://www.g2.com/survey_responses/zelle-review-12708256)

### [Zoho Payments](https://www.g2.com/products/zoho-payments/reviews)

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?

- **Online payment portal:** 5.0/10 (Category avg: 8.6/10)

#### Who Is the Company Behind Zoho Payments?

- **Seller:** [Zoho](https://www.g2.com/sellers/zoho-b00ca9d5-bca8-41b5-a8ad-275480841704)
- **Year Founded:** 1996
- **HQ Location:** Austin, TX
- **Twitter:** @Zoho  
137,880 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=9c8e45ddb296c32c6c5597ef9ba945c94562c57624f7bd1dcf1a9e9931f71578&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2F38373%2F&secure%5Burl_type%5D=linkedin_company_website)  
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?

**["Easy and Professional Way to Collect Payments"](https://www.g2.com/survey_responses/zoho-payments-review-12401494)**

**Rating:** 5.0/5.0 stars

_— Manoj C._

[Read full review](https://www.g2.com/survey_responses/zoho-payments-review-12401494)

### [3ENITH](https://www.g2.com/products/3enith/reviews)

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?

- **Seller:** [TechnoBridge](https://www.g2.com/sellers/technobridge)
- **HQ Location:** N/A
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=a00a026be8cffa8332ccee259a1a2334650ac7212a09f647efffe4dde08eefd8&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fzenithsia%2F&secure%5Burl_type%5D=linkedin_company_website)  
1 employees on LinkedIn®

### [Accept/Pay Global](https://www.g2.com/products/accept-pay-global/reviews)

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?

- **Seller:** [EFT Canada](https://www.g2.com/sellers/eft-canada)
- **Year Founded:** 2003
- **HQ Location:** Toronto, CA
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=ffb83897fa4ce406d6a81f8a57f1396a42dbe47db046c69fd399572ddec9abb6&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Faccept-pay-global%2F&secure%5Burl_type%5D=linkedin_company_website)  
10 employees on LinkedIn®

### [ACH.COM](https://www.g2.com/products/ach-com/reviews)

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?

- **Seller:** [Priority Technology Holdings](https://www.g2.com/sellers/priority-technology-holdings)
- **Year Founded:** 2005
- **HQ Location:** N/A
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=d20adfd9f53c998e3ea920e3415eadf98949d15fdbc9b09165432e5be9fb684f&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fpriority-technology-holdings&secure%5Burl_type%5D=linkedin_company_website)  
2 employees on LinkedIn®
- **Ownership:** NASDAQ: PRTH
- **Total Revenue (USD mm):** $424

### [ACH Universal](https://www.g2.com/products/ach-universal/reviews)

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](https://www.g2.com/sellers/treasury-software)
- **Year Founded:** 1999
- **HQ Location:** Glen Allen, US
- **Twitter:** @GoTreasury  
72 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=8391e66d46eb26e0a3e8f6c76dd1ad106b4accba93c8552be81744eaed59db23&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Ftreasury-software&secure%5Burl_type%5D=linkedin_company_website)  
13 employees on LinkedIn®

### [ACI](https://www.g2.com/products/aci/reviews)

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](https://www.g2.com/sellers/aci-worldwide)
- **Year Founded:** 1975
- **HQ Location:** Coral Gables, US
- **Twitter:** @ACI\_Worldwide  
8,621 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=b022b0fa85d9978fd0356f4620a3bc4cccf199753ed62562d23e498887d0f78b&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2F5063&secure%5Burl_type%5D=linkedin_company_website)  
4,944 employees on LinkedIn®
- **Ownership:** NASDAQ: ACIW

### [Acqra](https://www.g2.com/products/acqra/reviews)

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](https://www.g2.com/sellers/acqra)
- **Year Founded:** 2015
- **HQ Location:** Hong Kong, HK
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=73b57b37d78fa6c1ecb6b12a29e1b9a30d99129b5d2b21cc55040635591f3aeb&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Facqra%2F&secure%5Burl_type%5D=linkedin_company_website)  
7 employees on LinkedIn®

### [ACTIVE Payment Manager](https://www.g2.com/products/active-payment-manager/reviews)

#### Who Is the Company Behind ACTIVE Payment Manager?

- **Seller:** [Global Payments](https://www.g2.com/sellers/global-payments)
- **Year Founded:** 1967
- **HQ Location:** Atlanta, US
- **Twitter:** @GlobalPayInc  
6,042 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=2bc7dff7661370f0f386f5aba26a064a09e628bc09739c42f04b32684777952c&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fglobal-payments%2F&secure%5Burl_type%5D=linkedin_company_website)  
25,141 employees on LinkedIn®
- **Ownership:** NYSE:GPN

### [Acumen Connections](https://www.g2.com/products/acumen-connections/reviews)

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?

- **Seller:** [Acumen Connections](https://www.g2.com/sellers/acumen-connections)
- **HQ Location:** N/A
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=7bda47dfb4cacc25c8cf822f8b3434f2fb6ae607c4641ea9597864e09c40f534&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Facumen-connections%2F&secure%5Burl_type%5D=linkedin_company_website)  
1 employees on LinkedIn®

### [Adfin](https://www.g2.com/products/adfin/reviews)

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](https://www.g2.com/sellers/adfin)
- **Year Founded:** 2024
- **HQ Location:** London, GB
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=3c6f662cb636d05d1ec03c1dfc47e485692453310b18f4e8c57ca7fe9c0a5b48&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fadfin-fs&secure%5Burl_type%5D=linkedin_company_website)  
23 employees on LinkedIn®

### [Aeropay](https://www.g2.com/products/aeropay-aeropay/reviews)

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](https://www.g2.com/sellers/aeropay)
- **Year Founded:** 2017
- **HQ Location:** Chicago, IL
- **Twitter:** @aeropay  
1,278 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=974ad65ac227342b0d60134473f01fcc0787c6fd4b0d69c636de806ff563fe8c&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Faeropay%2F&secure%5Burl_type%5D=linkedin_company_website)  
85 employees on LinkedIn®

### [Affinity Member Services Platform](https://www.g2.com/products/affinity-member-services-platform/reviews)

Affinity Member Services is a business solutions platform helping small businesses cut costs, access capital, and grow. Our platform delivers payment processing and point of sale solutions, business financing programs, and marketing solutions — all tailored to your business. We understand that every business is different. We don’t believe in one-size-fits-all — we pair every member with personalized solutions and hands-on support. Our membership approach allows us to bring exclusive benefits and advantages to small businesses that others simply can’t.

#### Who Is the Company Behind Affinity Member Services Platform?

- **Seller:** [Affinity Member Services](https://www.g2.com/sellers/affinity-member-services)
- **HQ Location:** Westbury, US
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=5b1070ffb76d51a145bad2e6d9222eb649c5a5bab43faf49b0eb13b0030a2250&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Faffinity-member-services%2F&secure%5Burl_type%5D=linkedin_company_website)  
4 employees on LinkedIn®

### [Airpay](https://www.g2.com/products/airpay/reviews)

Airpay offers payment processing services and solutions.

#### Who Is the Company Behind Airpay?

- **Seller:** [Airpay Payment Services](https://www.g2.com/sellers/airpay-payment-services)
- **Year Founded:** 2012
- **HQ Location:** Mumbai, IN
- **LinkedIn® Page:** [in.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=9988feed5df30d3eacf5e7911df1c24590e245b589ab31d6a800fa29be7d805d&secure%5Burl%5D=https%3A%2F%2Fin.linkedin.com%2Fcompany%2Fairpay-india&secure%5Burl_type%5D=linkedin_company_website)  
620 employees on LinkedIn®

- [&lsaquo; Prev‹ Prev](/categories/payment-processing?hsCtaTracking=a15f9a47-d2d3-4a09-bb8b-c434c5dbfc62%7C078495b8-b7a6-4d69-a4c5-7a7dc02ccf3d&order=g2_score&page=17#product-list)
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Similar Categories

- [Payment Gateways](/categories/payment-gateways)
- [Embedded Payments](/categories/embedded-payments)
- [Failed Payment Recovery](/categories/failed-payment-recovery)

- [Installment Payment and Buy Now Pay Later (BNPL)](/categories/installment-payment-and-buy-now-pay-later-bnpl)
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- [Payments Orchestration](/categories/payments-orchestration)

[Browse Payment Processing Themes](/categories/payment-processing/themes)

 ![Subhransu Sahu](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Subhransu Sahu")
SS

Researched and written by [Subhransu Sahu](https://research.g2.com/insights/author/subhransu-sahu)

Updated April 9, 2026

Payment processing software helps businesses securely handle and track business-to-business (B2B) payments from customers and to suppliers. It supports any organization that accepts non-cash payments by ensuring transactions are timely, accurate, and integrated with downstream financial systems.

### Core Capabilities of Payment Processing Software

To qualify for inclusion in the Payment Processing category, a product must:

- Collect customer payment information and relay it to a bank for approval or denial
- Transmit approval or denial of a transaction back to the customer or merchant
- Support multiple payment methods such as credit card, ACH, or wire transfer
- Define and track customizable payment rules, terms, and deadlines
- Identify errors such as late payments, overpayments, or failed transactions
- Integrate with ERP, accounting, or accounts receivable and accounts payable systems

### How Payment Processing Software Differs from Other Tools

Payment processing software focuses on secure transaction handling and status verification, working closely with related tools such as [payment gateways](https://www.g2.com/categories/payment-gateways), [accounting software](https://www.g2.com/categories/accounting), [AP automation software](https://www.g2.com/categories/ap-automation), [e-commerce platforms](https://www.g2.com/categories/e-commerce-platforms), and [retail POS systems](https://www.g2.com/categories/retail-pos). Its distinguishing value lies in managing payment execution and error identification across diverse payment methods.

### Insights from G2 on Payment Processing Software

Based on category trends on G2, the importance of reliable transaction approval, seamless integrations, and accurate detection of payment issues to maintain smooth financial operations.

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