Total Products under this Category: 758
Last updated: October 01, 2026
Why You Can Trust G2's Software 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.
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)
SimPayX gives a convenient and secure experience when you shop and pay at a retail outlet or even pay at unattended systems. Now make your shopping experience fun with easy transactions anywhere, anytime without having to stand in long queues.
What is SimpliFi Go? SimpliFi Go is the smartest way for businesses in the GCC to manage their expenses. It’s your all-in-one platform to save time, cut costs, and stay in control. Here’s what we offer: 1️⃣ Multi-Currency Wallets to manage payments in different currencies. 2️⃣ Multi-Currency Cards for hassle-free spending without extra fees. 3️⃣ Spend Management to track and control expenses easily. 4️⃣ Automation to simplify approvals and accounting. Simple, powerful, and built for businesses like yours.
Simply Easier Payments helps agents, brokers, carriers, MGAs, and premium finance companies save time and accelerate their billing and invoicing so they can get paid faster.
Connect G2 to Claude or ChatGPT for answers grounded in G2's trusted reviews, comparisons, and pricing from real user insights.
SiraPay is a privacy-first virtual card platform supporting 150M+ merchants worldwide with 150+ country coverage. It offers no forced KYC, affordable pricing, and card creation for global payments. Users can pay for subscriptions, ads, and online services easily with secure, fast, and flexible payment solutions designed for everyone Why SiraPay? SiraPay stands out by focusing on privacy-first, simple global payments with instant virtual card access. Unlike traditional platforms, it offers no forced KYC, affordable pricing, and fast onboarding. Designed for freelancers, digital entrepreneurs, and global internet users, SiraPay focuses on delivering a smooth onboarding experience and instant access to digital payment tools. It is built for the modern internet economy where speed, simplicity, and accessibility matter most. Key Features • Privacy-First Payment Experience • Fast & Simple Onboarding • Virtual Card Access. • Low-Cost Transactions • Global Payment Support • User-Friendly Dashboard SiraPay is built for the modern global user—freelancers, creators, and digital entrepreneurs—who need a simple, fast, and reliable way to manage online payments. Welcome to SiraPay — a smarter way to access global digital payments.
At SlimPay, we are on a mission to help every merchant enroll customers and collect repeat payments to grow their business. SlimPay partners with medium and large merchants to deliver a frictionless payment experience across channels. Our payment solution helps merchants streamline acquisition, increase customer lifetime value and maximize revenue—through card, direct debit and open banking services. Launched in 2010, SlimPay has offices in Paris and Madrid, with 100 employees from 20+ nationalities. SlimPay serves customers across several industries, such as Deezer, SFR, EDF, Nespresso and Vattenfall. For more information, visit www.slimpay.com and follow us on Twitter or LinkedIn @SlimPay.
SMART Hub is a first-of-its-kind payment portal that digitizes and simplifies the way that businesses make, receive, and manage payments, and access payment insights. The portal provides a pre-built integration with any ERP, accounting software or system of record and includes a built-in onboarding module that guides businesses through the process of setting up the application. Integrating SMART Hub with an ERP, accounting software package or system of record streamlines the process of making and receiving payments, eliminates complexity through the automatic reconciliation of payments, and puts real-time payments insights and historical transaction details at a user’s fingertips.
SOLAR Acquiring is a payment acceptance solution designed for banks and payment providers to process transactions across multiple channels out of the box. Whether you’re enabling in-store, online, or mobile payments, SOLAR Acquiring provides everything you need to manage the full acquiring lifecycle: secure transaction processing, seamless integration with POS and e-commerce platforms, real-time monitoring, and compliance with global payment standards.
The solution designed for banks and payment providers to connect, route, and manage transactions across multiple payment networks and processing systems. Whether you're expanding your payment infrastructure or modernizing existing processing capabilities, SOLAR Switch provides everything you need to ensure seamless transaction routing: intelligent message switching, protocol translation, third-party integrations, real-time processing, and reliable connectivity across the payment ecosystem.
Sonder Payments is a membership-based payment processor. Rather than paying a percentage markup on every transaction, Sonder Payments members pay a flat membership fee. In addition to transparent pricing, Sonder Payments offers dedicated support representatives, lightning-fast deposits, a slew of hardware options, an online virtual terminal, hundreds of integrations, and more.
SPAYZ.io is your gateway to seamless payments across Asia, Africa, and Europe. With over a decade of experience, we connect businesses to the future of finance - from Open Banking, Bank transfers and Mass Payouts to Wallets, Online Banking, QR Code Payments, Mobile Payments and Bank Cards. We support high-growth merchants with complex operational needs across 30+ countries with 50+ payment methods.
SquareFi is a global financial platform for modern businesses — bringing together payments, multi-currency accounts, corporate cards, and crypto tools in one place. We help companies simplify international finance: send and receive payments, manage fiat and digital assets, launch card programs, and scale globally — all through a single, flexible infrastructure. 💡 What you can do with SquareFi: • Open multi-currency IBAN accounts in 27+ currencies • Convert fiat to crypto and back with seamless On/Off-Ramp • Issue virtual and physical corporate cards — or launch a branded program • Access payments and card infrastructure via API or dashboard Whether you’re building a fintech product, managing global payouts, or looking to automate financial operations — SquareFi gives you the toolkit to grow without limits. Let’s simplify finance together.
