Best Payment Processing Software - Page 68

How Many Payment Processing Software Products Does G2 Track?

Total Products under this Category: 1,085

Category Stats (Nov 2026)

  • Average Rating: 4.36/5 (↓0.01 vs Oct 2026) The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: MoonClerk (+2.32%) - Among all products in this category, MoonClerk recorded the largest rating increase compared to last month

Last updated: November 01, 2026

How Does G2 Rank Payment Processing Software Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 38,400+ Authentic Reviews
  • 1,085+ 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, PayPal Checkout, Adyen Payments, 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=paypal-checkout&focus%5B%5D=adyen-payments&focus%5B%5D=nickel&focus%5B%5D=stripe-stripe-payments)

Unipaas

UNIPaaS is the ultimate embedded finance solution for digital platforms. It is a fully white-labelled, end-to-end embedded payment solution that provides a single commercial framework. UNIPaaS is a simple, flexible, and fast way to add embedded finance capabilities to your platform. It is also easy to use and secure. UNIPaaS takes ownership and risk of the offering, so you can focus on your core business. 1 Integration, 1 Contract, 0 Risk!

Who Is the Company Behind Unipaas?

  • Seller: UNIPaaS
  • Year Founded: 2020
  • HQ Location: Tel Aviv, IL
  • LinkedIn® Page: www.linkedin.com
    51 employees on LinkedIn®

UniPay Gateway

UniPayGateway is web-based, modular payment gateway solution for cards processing, customer accounts management, recurring billing process automation. Unique, enterprise-level processor agnostic gateway with support for numerous processors (FirstData, Tsys, Paymentech, Global, Elavon, etc). Integrated prospecting, paperless sales, recurring billing, account management and collections functionality for management of the entire payment cycle. Both binary and source code licenses available.

Average Rating: 4.5/5.0

Total Reviews: 1

How Do G2 Users Rate UniPay Gateway?

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

Who Is the Company Behind UniPay Gateway?

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of UniPay Gateway?

What Are G2 Users Discussing About UniPay Gateway?

Unipesa

Unipesa is a fast growing B2B2G financial services infrastructure. The company has developed a multidimensional payments and lending infrastructure with robust and advanced products and solutions, interconnecting businesses across multiple industries in 20+ countries in the Middle East and Africa region (MEA). Since its inception, the main focus of Unipesa is to provide a quality and scalable infrastructure to enable businesses to carry hustle free activities across the MEA Region. Why Us? Integrated ecosystem: full stack of fintech products — payments, POS, wallet, lending, communications. Presence in 20+ countries, 120,000+ agents, 50+ payment channels — proof of scale and maturity. White-label capabilities — launch services under your own brand. Fast launch and flexible collaboration model — low upfront cost, licensing or revenue sharing. Deep understanding of local markets and regional integration expertise.

Who Is the Company Behind Unipesa?

  • Seller: Unipesa
  • Year Founded: 2012
  • HQ Location: Dubai, AE
  • LinkedIn® Page: www.linkedin.com
    31 employees on LinkedIn®

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

Unzer

Who Is the Company Behind Unzer?

  • Seller: unzer
  • Year Founded: 2020
  • HQ Location: Berlin, DE
  • LinkedIn® Page: www.linkedin.com
    681 employees on LinkedIn®

uPayments

uPayments is a payment processing software for electronic invoicing and payment delivery.

Who Is the Company Behind uPayments?

Upflow

Upflow helps B2B finance teams get paid faster while strengthening the relationships behind their revenue. Its Financial Relationship Management platform manages the full financial relationship, from agreed payment terms to collected and reconciled cash, with AI agents working alongside the team. It brings the data, workflows, and customer context behind getting paid into one system, so teams can make better decisions and act consistently across every account. Finance, Sales, and Customer Success work from the same customer context, while Finance controls the strategy and level of agent autonomy. By combining team judgment with agent execution, Upflow scales that strategy across every customer and every stage of the invoice-to-cash cycle. The four products: Upflow Insights builds the strategy. It turns AR data into answers you can act on: which accounts carry risk, when cash lands each month, and what drives collections performance. Forecasts are built on how customers actually pay, and the Insights Agent surfaces deteriorating payment behavior before it becomes bad debt. Live AR data is also accessible from Claude, ChatGPT, or Copilot through the Upflow MCP server. Upflow Collections executes the strategy. The Collections Agent runs your AR playbook across multiple channels: email, SMS, calls, and letters and centralizes the entire context in a structured way. It executes tasks, replies to customers, logs promise-to-pay dates, flags disputes, and escalates to a collector when judgment is needed. You can run multiple agents in parallel, each grounded in the customer's payment history and active conversations. Alongside them, the AP Portal Agent takes on invoice submissions into customer AP portals. Autonomy stays in your hands: each agent skill runs in suggestion-only mode or fully autonomous, and you expand what agents handle as trust builds. Every action is logged and auditable. Upflow Payments removes the payment execution friction while providing your customers with a consumer grade checkout experience. Customers pay through a portal that carries your brand, with saved payment methods and autopay. Finance owns the setup, the payment mix, and the costs, and activation is self-service with same-day go-live. Upflow Cash App closes the loop. The Cash App Agent matches bank payments to open invoices, including the short pays, bulk payments, and partial payments that break rule-based tools, then syncs reconciled cash to your ERP in real time. Collections sees what is genuinely owed and follows up sooner. One foundation underneath Every agent works from Upflow Intelligence, the AI foundation of the platform. Trained on the largest dataset of B2B financial relationships, it holds the complete context on each customer, everything paid, promised, said, and disputed, so every product and agent acts on the full picture. Ask Upflow is the conversational entry point to that intelligence: which lets you query your AR data, configure workflows, and direct your agents from one interface. It gives teams a direct way to shape how the platform works, from the rules behind a workflow to the actions an agent performs. Insights, configuration, and execution all happen through the same interface. Integrations High quality integration is the data infrastructure foundation the entire Upflow platform runs on. Upflow builds native, two-way integrations that go deeper than the standard connector, and maintains them as first-class as the tools they connect to evolve. Coverage spans the finance stack: NetSuite, Sage Intacct, QuickBooks Online, Xero, Pennylane, and Rillet on the ERP side, billing systems including Chargebee, Stripe Billing, and Zuora, Salesforce and HubSpot for CRM, and Gmail and Slack for communication. The Upflow REST API covers custom builds on proprietary and internal systems, and Upflow's professional services team scopes and builds those integrations directly. The result: data flows from every source in real time and stays in sync, teams collect smarter, strengthen the relationships behind their revenue, and cut DSO by 30% on average within three months. Upflow Discover Upflow Discover is the free plan for understanding your AR performance. Connect your finance tools and get Upflow's dashboards and analytics on day one: real-time visibility into collections performance, DSO, and payment behavior, benchmarked against best-in-class B2B companies. Teams use it to find out where their AR stands, spot what needs fixing, and build the case for what to improve next. Try Upflow Discover now: https://insights.upflow.io/en/discover-upflow-for-free

Average Rating: 4.8/5.0

Total Reviews: 237

How Do G2 Users Rate Upflow?

  • Has the product been a good partner in doing business?: 9.5/10 (Category avg: 8.8/10)

Who Is the Company Behind Upflow?

  • Seller: Upflow
  • Company Website:
  • Year Founded: 2018
  • HQ Location: New York City, United States
  • LinkedIn® Page: www.linkedin.com
    90 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: CFO, Customer Success Manager
  • Top Industries: Computer Software, Information Technology and Services
  • Company Size: 59% Medium, 38% Small

What Do G2 Reviewers Say About Upflow?

AI-generated summary from verified user reviews

Pros
  • Users find Upflow to be easy to use, enhancing their collections process and improving overall cash flow.
  • Users value the efficiency of automation in Upflow, enhancing credit control and improving follow-up speed significantly.
  • Users value the responsive customer support of Upflow, enhancing their overall experience and satisfaction.
  • Users praise Upflow for its exceptional customer satisfaction, highlighting easy use and responsive support throughout their experience.
  • Users praise Upflow for its time-saving automation, allowing efficient credit control and streamlined follow-up processes.
Cons
  • Users find the email automation issues in Upflow lead to a lack of professionalism and potential spam concerns.
  • Users find the email functionality lacking professionalism, which may lead to spam-like perceptions and complications.
  • Users desire greater flexibility in reporting, noting limitations in format consistency and customization options in Upflow.
  • Users report payment issues with Upflow, citing concerns over email professionalism and currency discrepancies.
  • Users note poor reporting flexibility and wish for customizable fields and consistent download formats in Upflow.

What Are Recent G2 Reviews of Upflow?

UpGate

Global payments made easy! UpGate is a world-class payment orchestration platform. Our mission is to simplify payments and make it easier for merchants to reach global customers. We use the latest technologies to help you achieve better conversions and global user monetisation.

Who Is the Company Behind UpGate?

  • Seller: UpGate
  • Year Founded: 2021
  • HQ Location: Limassol, CY
  • LinkedIn® Page: www.linkedin.com
    25 employees on LinkedIn®

UQPay

UQPAY is a business payments platform that helps companies accept customer payments, manage multi-currency funds, pay suppliers and partners, and manage corporate card spending. It brings together payment acceptance, account services, business payments and card capabilities to support day-to-day operations and international business activity. The platform serves e-commerce merchants, retailers, SaaS businesses and other companies working with customers or suppliers across markets. Finance and operations teams can use the services relevant to their business, from collecting sales revenue to managing supplier payments and operational expenses. Payment acceptance UQPAY supports online and in-store payments through supported card networks, digital wallets and local payment methods. Businesses can use online checkout and payment links to collect payments across different sales channels, with payment statuses and transaction records to support payment management. Multi-currency accounts and business payments Multi-currency account services help eligible businesses receive, hold and exchange supported currencies. Companies can also make payments to suppliers, service providers and partners. These capabilities support businesses managing international revenue and expenses in different currencies. Corporate cards and card issuance Virtual and physical corporate cards support spending on software subscriptions, cloud services, advertising, travel and other business purchases. Card limits, spending controls and transaction records help teams oversee expenses. UQPAY also offers card issuance capabilities for eligible businesses developing their own card programmes. Stablecoin services and integration Eligible businesses can access supported stablecoin payment, conversion and transfer services. UQPAY also provides APIs for connecting available payment acceptance, account, business payment and card issuance capabilities to existing websites, applications and business systems. Product availability, onboarding requirements, supported currencies, payment methods, fees and settlement terms vary by jurisdiction, business eligibility and service configuration. Businesses should confirm the applicable services and terms with UQPAY.

Who Is the Company Behind UQPay?

  • Seller: UQPAY
  • Year Founded: 2016
  • HQ Location: Singapore, SG
  • LinkedIn® Page: www.linkedin.com
    72 employees on LinkedIn®

UrbanPay

UrbanPay is a B2B payments middleware platform built exclusively for real estate companies in Europe. We sit between real estate operators and payment rails, handling the infrastructure complexity so property companies can focus on their core business. Key capabilities: • A2A (account-to-account) payment initiation via PSD2-compliant open banking rails • Automated rent collection for property managers and rental agencies • Buyer deposit management for developers and sales agents • Mass disbursements across multiple payees — ideal for property management at scale • KYC/AML compliance workflows built in for Spain and the EU • UrbanPaySign — integrated e-signature module for payment-linked document execution • API-first: integrates with existing property management software and CRMs Built for property managers, real estate developers, rental agencies, proptech operators, and real estate crowdfunding platforms in Spain and Europe. Founded 2025, headquartered in Spain.

Who Is the Company Behind UrbanPay?

Utilities Management Software

AOPAY Utilities Management Software is a type of operations and service management solution designed to help utility providers manage and monitor the delivery of essential services such as electricity, water, gas, and waste management. AOPAY software centralizes utility operations, enabling organizations to track usage, manage billing, maintain assets, and handle customer accounts efficiently. AOPAY software is commonly used by municipal utility companies, private utility providers, housing societies, industrial facilities, and service organizations to streamline operations and maintain accurate records. By digitizing utility workflows, organizations can reduce manual errors, ensure accurate billing, and improve customer service delivery. Utilities Management Software supports core functions such as meter reading, consumption tracking, billing and invoicing, payment processing, and customer account management. Asset and maintenance management tools allow organizations to monitor infrastructure, schedule repairs, and maintain service reliability. Reporting and analytics modules provide insights into consumption patterns, revenue generation, and operational performance. Core Features and Capabilities: - Customer and Account Management: Maintains detailed customer profiles and service connections. - Meter and Consumption Management: Tracks usage data and meter readings accurately. - Billing and Payment Management: Automates invoicing, payment collection, and reconciliations. - Asset and Maintenance Management: Monitors infrastructure, schedules maintenance, and tracks repairs. - Reporting and Analytics: Generates reports on consumption, revenue, and operational efficiency. Utilities Management Software often integrates with payment gateways, IoT-enabled meters, CRM systems, and ERP platforms through APIs. By providing centralized control, automated processes, and actionable insights, AOPAY software helps utility providers deliver services efficiently, maintain regulatory compliance, and optimize operational performance across residential, commercial, and industrial customers.

Who Is the Company Behind Utilities Management Software?

UTP Payment Gateway

UTP Merchant Services Ltd offers secure and innovative card payment solutions. UTP offers a wide range of market leading credit and debit card payment solutions such as countertop card machines, portable card machines and mobile card machines. If your business wants to start accepting credit and debit card payments, inquire about UTP now!

Who Is the Company Behind UTP Payment Gateway?

Vagaro

Vagaro is the #1 business management software built for professionals in the beauty, wellness, and fitness industries. Whether you're a solo professional, small business, or managing multiple locations, Vagaro provides everything you need to run and grow your business efficiently. Easily manage your schedule with customizable calendars and 24/7 online booking. Reduce no-shows with automated email and text reminders. Accept payments seamlessly using integrated POS tools, manage inventory in real time, and deliver a personalized client experience with detailed profiles, digital intake forms, and notes. Grow your brand with built-in marketing tools, including email and text campaigns, a customizable website, and exposure on the Vagaro Marketplace. Stay on top of performance with advanced reporting and payroll features. Plus, AI-powered tools help you create content, communicate with clients, and automate routine tasks. Join over 220,000 professionals who trust Vagaro to streamline operations, engage clients, and boost revenue—all from one powerful platform.

Average Rating: 4.6/5.0

Total Reviews: 394

How Do G2 Users Rate Vagaro?

  • Has the product been a good partner in doing business?: 7.4/10 (Category avg: 8.8/10)

Who Is the Company Behind Vagaro?

  • Seller: Vagaro
  • Company Website:
  • Year Founded: 2009
  • HQ Location: Pleasanton, California
  • LinkedIn® Page: www.linkedin.com
    713 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Owner
  • Top Industries: Health, Wellness and Fitness, Consumer Services
  • Company Size: 66% Small, 1% Large

What Do G2 Reviewers Say About Vagaro?

AI-generated summary from verified user reviews

Pros
  • Users find Vagaro to be easy and practical, streamlining appointment booking and client communication effectively.
  • Users love the easy scheduling and reminder notifications that enhance client management and streamline business operations.
  • Users appreciate Vagaro for its comprehensive resources and 24/7 support, enabling seamless business management.
  • Users appreciate the booking ease of Vagaro, allowing clients to schedule and pay effortlessly online.
  • Users appreciate the easy online booking system of Vagaro, which simplifies scheduling and service options for clients.
Cons
  • Users are frustrated with missing features in Vagaro, impacting usability and employee motivation significantly.
  • Users express frustration over limited features, particularly regarding booking flexibility and service organization.
  • Users experience poor usability with Vagaro, facing challenges in website design, multiple service setups, and security concerns.
  • Users are disappointed by the lack of features in Vagaro, which limits functionality despite the high cost.
  • Users report app issues such as login troubles, hard service setups, and disruptive ads affecting their experience.

What Are Recent G2 Reviews of Vagaro?

What Are G2 Users Discussing About Vagaro?

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