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List of the Best Payment Processing Software in 2026

Rajat Gupta
Researched and Edited by Rajat Gupta
Rajat Gupta

Researched and Edited by Rajat Gupta

Last updated: September 27, 2026 · How we review

Payment Processing Software overview

Spotsaas tracks 62 products in Payment Processing Software, ranked by SpotScore — a blend of feature coverage, verified review ratings, and value. 8 let you start on a free trial, and 17 keep a free plan you can stay on. Most buyers here are Finance managers at subscription-based service companies evaluating secure and scalable payment solutions.

62
products listed
8
offer a free trial
17
have a free plan
35
priced per subscription
89
quote on request

Editor's Summary · Payment Processing Software

Klarna dominates by volume with 154,488 ratings at 4.1/5, driven by global scale across consumer-facing checkout flows and buy-now-pay-later installment options, priced on quotation for merchant accounts. Balance draws strong satisfaction at 4.5/5 across 20,705 ratings and is particularly used by B2B marketplaces needing net terms, invoicing, and credit workflows built directly into the checkout experience. Opayo scores 4.7/5 across 4,139 ratings on a subscription model and is a consistent pick for UK-based merchants that need PCI-compliant card processing with predictable monthly costs.

Payment processing software handles the end-to-end movement of funds between buyers and sellers, covering authorization, settlement, fraud screening, and reconciliation across card, digital wallet, and ACH payment methods. Core buyers are e-commerce operators, marketplace platforms, and finance teams at mid-market companies managing multi-currency or cross-border transactions with complex settlement requirements.

Quick picks for Payment Processing Software

  • Best overall — Klarna
  • Best for B2B marketplaces with net terms — Balance
  • Best for UK merchants on subscription pricing — Opayo

Who gets the most from Payment Processing Software

  • 1Finance managers at subscription-based service companies evaluating secure and scalable payment solutions
  • 2Payment operations leads at e-commerce platforms needing multi-channel payment acceptance and integration
  • 3Sales directors at retail businesses seeking versatile payment methods including mobile and POS terminals
How to choose Payment Processing Software

If you prioritize security and scalability, filter by products with strong encryption and high availability features. For businesses requiring multi-channel payment acceptance, sort by those supporting diverse payment types like mobile, POS, and online. When transparency is key, filter by Free Trial or publicly available pricing, though most top products use quotation-based pricing.

Showing 0-0 out of 62

MagicPay - Payment Processing Software

MagicPay

Unlock the power of seamless payments and increase sales.

Best for: SMB teams · Mid-market

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What is MagicPay?

A complete online payment processing and marketing platform, MagicPay is everything you need to start and run a successful business immediately. Our secure, robust payment gateway technology enables merchants to set up online shop fronts and accept all major credit cards, cryptocurrencies and ...

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MagicPay offers custom pricing plan

Whistle - Payment Processing Software

Whistle

Empowering success, one nudge at a time.

Best for: SMB teams · Mid-market · Enterprise

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What is Whistle?

Whistle, with the tagline "Designed with the participant in mind," is a user-friendly platform that aims to improve retention, productivity, engagement, and profitability in businesses. By incorporating AI-informed nudges, behavioral science concepts, and machine learning tools, Whistle ...

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Whistle offers custom pricing plan

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Quantum Electronic Payments - Payment Processing Software

Quantum Electronic Payments

Streamline your payments with Quantum.

Best for: SMB teams · Mid-market · Enterprise

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What is Quantum Electronic Payments?

The Quantum Electronic Payments Solution is designed with everything you need to implement a robust credit card processing and eCommerce solution for your business. A cloud-based software solution that enables businesses to offer electronic payment. It's processing services with a monthly ...

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Quantum Electronic Payments offers custom pricing plan

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Paymentwall - Payment Processing Software

Paymentwall

Effortlessly accept payments from anywhere.

Best for: SMB teams · Mid-market · Enterprise

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What is Paymentwall?

Paymentwall's payment processing software offers fully integrated shopping carts, marketing tools, and credit card processing. The solution allows merchants to receive payments from customers using the Internet, phone, mail, or at the point of sale in a variety of different ways. Paymentwall is ...

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Paymentwall offers custom pricing plan

Chargezoom - Payment Processing Software

Chargezoom

Effortless payment processing for your business.

Best for: SMB teams · Mid-market · Enterprise

Try for Free

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What is Chargezoom?

ChargeZoom is a payment processing solution that makes accepting credit card payments easy. Our advanced online software and mobile app allow our clients to process payments from their own websites and mobile apps, using highly secure methods of encryption and proprietary processes. ChargeZoom ...

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Starts from $20/Month, also offers free forever plan

Statrys

Statrys

Streamline payments and stay ahead.

Best for: SMB teams · Mid-market · Enterprise

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What is Statrys?

Experience the cutting-edge advantage of Statrys, a revolutionary business account that propels you far ahead of the competition. At Statrys, we redefine traditional banking with our exclusive features, proactive customer support team, and transparent fee structure. Say goodbye to hidden fees ...

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What buyers evaluate in Payment Processing Software
Range of supported payment methods including credit cards, mobile wallets, POS, and phone/mail orders
Security features specific to payment processing such as encryption standards and compliance with financial regulations
Scalability and reliability of the platform to handle high transaction volumes and international payments
Plooto

Plooto

Unlock the power of seamless business payments.

Best for: SMB teams · Mid-market

Start Free Trial

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What is Plooto?

Discover Plooto - Your Ultimate Business Payments Solution Unveil the power of Plooto: The Fastest Way to Streamline Your Business Payments. Bid farewell to cumbersome processes and welcome a seamless, efficient way to manage your financial transactions effortlessly. Plooto empowers you to ...

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Free Trial
Balance - Payment Processing Software

Balance

Streamline payments, maximize profits.

Best for: SMB teams · Mid-market · Enterprise

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What is Balance?

Balance is a B2B payment processing platform used by online merchants and marketplaces to support net terms, milestone-based billing, and flexible payment options at checkout — capabilities that standard consumer payment processors do not handle natively. It solves the problem of business ...

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Balance offers custom pricing plan

LexisNexis Payment Solutions - Payment Processing Software

LexisNexis Payment Solutions

Effortless payments made simple.

Best for: SMB teams · Mid-market · Enterprise

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What is LexisNexis Payment Solutions?

LexisNexis Payment Solutions is a global payment processing suite, designed for merchants large and small, to manage and run their business with ease. As the preferred payments partner for leading global banks and financial institutions, LexisNexis Payment Solutions offers straightforward ...

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LexisNexis Payment Solutions offers custom pricing plan

Axxonpay - Payment Processing Software

Axxonpay

Securely process global payments with ease.

Best for: SMB teams · Mid-market · Enterprise

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What is Axxonpay?

Axxonpay is an all-in-one payment processing platform created to help businesses of any size to securely accept payments. Its portfolio of payment solutions includes IBANS and card services, even for high-risk merchants. Customers can take advantage of its easy-to-use tools to quickly and ...

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Axxonpay offers custom pricing plan

Gravity Payments - Payment Processing Software

Gravity Payments

Effortless payments, elevated business.

Best for: SMB teams · Mid-market

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What is Gravity Payments?

Gravity Payments is a payment processing platform that handles credit and debit card transactions across mobile, e-commerce, and point-of-sale channels. It includes real-time receivable management and a support team that helps configure payment workflows for each business type.

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Gravity Payments offers custom pricing plan

Splitit - Buy Now Pay Later Platforms

Splitit

Secure, Transparent, and Easy-to-Manage Payment Plans

Best for: SMB teams · Mid-market · Enterprise

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What is Splitit?

Splitit is a flexible payment platform that enables shoppers to split purchases into manageable monthly installments using their existing credit cards—without new loans, applications, or added interest. Designed for e-commerce retailers, healthcare providers, education services, and home ...

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Splitit offers custom pricing plan

Omise - Payment Processing Software

Omise

Accelerate your online payments with Omise.

Best for: SMB teams · Mid-market · Enterprise

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What is Omise?

Omise is a payment gateway platform built for e-commerce businesses and payment service providers in Southeast Asia — primarily Thailand, Japan, and Singapore — that need scalable, PCI-compliant payment infrastructure. It handles card processing, real-time fraud detection, and multi-currency ...

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Omise offers custom pricing plan

Opayo - Payment Processing Software

Opayo

Effortless payments for a thriving business.

Best for: SMB teams · Mid-market · Enterprise

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What is Opayo?

The Opayo Payment Processing Software is a cloud-based solution offered to merchants that provide you with the tools to accept all forms of payment online. With powerful features such as automated recurring billing and advanced reporting, you can breathe easier knowing your business is ...

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PayJunction - Payment Processing Software

PayJunction

Streamline payments with secure, 24/7 support.

Best for: SMB teams · Mid-market · Enterprise

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What is PayJunction?

PayJunction is a modern, enterprise-class, multi-channel payment processing software. It comes in a SaaS (Software as a Service) model for subscription-based revenue streams and with an easy to install on-premise version for single processors or mini-merchant banks. PayJunction is secure, ...

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PayJunction offers custom pricing plan

Kickfin - New SaaS Software

Kickfin

Streamline your tips, pay in a click.

Best for: SMB teams · Mid-market · Enterprise

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What is Kickfin?

Kickfin is the ultimate instant tip payment solution. Eliminate bank runs, solve for cash shortages, and reduce labor costs with this powerful software. Profit from 24/7/365 automatic tip distributions to your employees with a single click. No more waiting around for shifts to end-get your ...

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Kickfin offers custom pricing plan

InvoiceCloud - Payment Processing Software

InvoiceCloud

Streamline your invoicing with InvoiceCloud.

Best for: SMB teams · Mid-market · Enterprise

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4.8

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What is InvoiceCloud?

InvoiceCloud offers a Software as a Service platform with the latest and most advanced user interface, user experience, security enhancements and updates. Customizable for your exact needs, you decide which features to enable and modify – and benefit from regular upgrades without any ...

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InvoiceCloud offers custom pricing plan

Blackthorn Payments - Payment Processing Software

Blackthorn Payments

Streamline your payments with ease.

Best for: SMB teams · Mid-market · Enterprise

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What is Blackthorn Payments?

Blackthorn Payments is a truly versatile, easy to use payment processing software with an intuitive interface that makes your life easier. Whether you are just starting out, or have been involved with the industry for a long time, Blackthorn has everything you need to make the process of ...

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Starts from $575/Month

Merchant One - Payment Processing Software

Merchant One

Efficient, secure payment processing for any business.

Best for: SMB teams · Mid-market · Enterprise

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What is Merchant One?

Merchant One Payment Processing Software is the easiest cloud-based solution on the market today. Merchant One fuses together the ease of a POS system with powerful processing and shopping cart functionality. It is one payment processing software allows you to quickly and easily setup and ...

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Merchant One offers custom pricing plan

Wisetack - Buy Now Pay Later Platforms

Wisetack

Empowering businesses and customers through flexible financing.

Best for: SMB teams · Mid-market · Enterprise

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What is Wisetack?

Wisetack is an embedded consumer financing platform that lets businesses offer buy-now, pay-later options for in-person services. The API-driven integration handles the sign-up flow and customer experience end-to-end, so businesses can add financing without building custom payment infrastructure.

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Wisetack offers custom pricing plan

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Frequently Asked Questions About Payment Processing Software

Stuck on something? We're here to help with all the questions and answers in one place.

The most important Payment Processing Software features to evaluate are Accounts Payable, Accounts Receivable, Bank Reconciliation, Billing and Invoicing, Cash Management, Collections. Most buyers prioritize ease of use, reporting, and integration capabilities when choosing a solution. Look for tools that cover your core workflow before comparing advanced features.

Payment Processing Software pricing varies widely — from free plans to enterprise contracts. 8 products on Spotsaas offer a free plan or trial, including Wallester, ePayPolicy, Plooto. Paid plans typically start around $10–$50/month per user. Check individual product pages for current pricing.

The top rated Payment Processing Software based on verified user reviews and SpotScore are LexisNexis Payment Solutions, Paymentwall, Omise. These tools consistently score highest on ease of use, feature depth, and customer support quality. Ratings are updated monthly based on real buyer feedback.

To choose the right Payment Processing Software, start by listing your must-have features — commonly Accounts Payable, Accounts Receivable, Bank Reconciliation, Billing and Invoicing, Cash Management, Collections. Then filter by team size, budget, and integrations you already use. Compare at least 3 options and use free trials to test before committing. Spotsaas lets you compare side-by-side in minutes.

Yes — 8 Payment Processing Software on Spotsaas offer a free plan or free trial. Popular free options include Wallester, ePayPolicy, Plooto. Free plans typically cover core features for small teams; paid upgrades unlock advanced reporting, integrations, and support.

The best Payment Processing Software for small businesses are affordable, quick to set up, and scale without complexity. Top picks for small teams are Flatpay, Nickel, PayTabs. Look for tools with per-user pricing, no long-term contracts, and strong onboarding support to minimize ramp-up time.

Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].