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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: May 18, 2026 · How we review

Payment Processing Software overview

Spotsaas tracks 139 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.

139
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 overallKlarna
  • Best for B2B marketplaces with net termsBalance
  • Best for UK merchants on subscription pricingOpayo

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 81-100 out of 139

Duffel Payments - Payment Processing Software

Duffel Payments

Streamline your business and increase profits effortlessly.

Best for: SMB teams · Mid-market · Enterprise

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What is Duffel Payments?

Duffel Payments, the newest offering from our SaaS Aggregator company, allows you to effortlessly sell flights and streamline your travel business. Gone are the days of complex and expensive upfront costs - Duffel Payments enables you to charge your customers directly through our easy-to-use ...

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Starts from $2PER CONFIRMED ORDER

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

GETTRX - Payment Processing Software

GETTRX

Simplify transactions, elevate commerce.

Best for: SMB teams · Mid-market · Enterprise

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What is GETTRX?

Introducing GETTRX - the solution that allows you to reduce cash processing fees and say goodbye to outdated payment methods. Our experienced team specializes in bankcard services and information infrastructure, providing a speedy turnaround on merchant applications. We believe in the success ...

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Starts from $29/Month

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Rapyd Collect - Payment Processing Software

Rapyd Collect

Streamline global payments and expand your business's reach.

Best for: SMB teams · Mid-market · Enterprise

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What is Rapyd Collect?

Rapyd Collect: Revolutionizing Global Commerce Rapyd Collect is a game-changing product that empowers businesses to thrive in any local market across the globe. With our fintech-as-a-service platform, businesses can now easily integrate localized fintech and payment capabilities into their ...

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Rapyd Collect offers custom pricing plan

Zai - Payment Processing Software

Zai

Streamline payments and boost revenue with Zai.

Best for: SMB teams · Mid-market · Enterprise

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What is Zai?

Zai, the ultimate revenue management platform, simplifies payment automation and boosts operational savings with its powerful APIs. With just a single API, Zai seamlessly integrates multiple payment systems, streamlining payments and settlements. Bid goodbye to resource strain and complexity ...

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Zai offers custom pricing plan

Songhai Exchange - Payment Processing Software

Songhai Exchange

Efficient fund management for African trade

Best for: SMB teams · Mid-market · Enterprise

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What is Songhai Exchange?

Introducing Songhai Exchange, the ultimate solution for efficient fund management and trade-related investments in Africa. With our innovative Pan-African payment network, users can easily access cash pick up, bank transfers, bill payments, and mobile money transfers across the continent. By ...

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Songhai Exchange offers custom pricing plan

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
Dots - Payment Processing Software

Dots

Streamline your business with effortless automation.

Best for: SMB teams · Mid-market · Enterprise

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What is Dots?

Introducing Dots: the ultimate process automation platform for your business. Say goodbye to tedious manual tasks and multiple payment processors, because Dots streamlines everything with just a single API. No more wasting time on onboarding or managing payments, as Dots handles it all ...

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Dots offers custom pricing plan

PAYZE - Payment Processing Software

PAYZE

Streamline payments and elevate your business with PAYZE.

Best for: SMB teams · Mid-market · Enterprise

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What is PAYZE?

PAYZE is a user-friendly online payment processing platform that simplifies the process of accepting payments. With its intuitive API, you can easily offer multiple payment options to your customers and even split payments between multiple merchants. Say goodbye to time-consuming manual payment ...

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PAYZE 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

BitPay - Payment Processing Software

BitPay

Accept payments globally with confidence.

Best for: SMB teams · Mid-market · Enterprise

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What is BitPay?

BitPay is a cryptocurrency payment processing platform used by e-commerce merchants and online businesses that want to accept Bitcoin and other digital currencies without exposure to crypto price volatility. It converts crypto payments to the merchant's local currency at settlement, eliminating ...

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BitPay offers custom pricing plan

SecurePay - Payment Processing Software

SecurePay

Simplify customer payments and collections with SecurePay.

Best for: SMB teams · Mid-market · Enterprise

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What is SecurePay?

SecurePay is payment and collection processing software designed to help small businesses manage their customers, payments, and collections. SecurePay provides small business owners with a powerful yet simple-to-use online system that is built on a central database to track all customer ...

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SecurePay offers custom pricing plan

Satispay - Payment Processing Software

Satispay

Payments made easy and affordable.

Best for: SMB teams · Mid-market · Enterprise

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What is Satispay?

Satispay is an easy-to-use payment processing software that allows individuals and businesses to accept payments over the Internet in real-time and on their own terms. Satispay avoids the usual high fees of other services with no setup costs, no monthly fees, no surcharges, and no merchant ...

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Satispay offers custom pricing plan

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

PaymentSpring - Payment Processing Software

PaymentSpring

Secure payments made simple.

Best for: SMB teams · Mid-market · Enterprise

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What is PaymentSpring?

PaymentSpring is a leading provider of Payments Solutions that enable merchants to accept credit & debit payments with ease. With its robust Feature-Rich Software, industry-applicable Support, competitive Pricing and a promising Growth Strategy, this secure payment processor offers an ultimate ...

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PaymentSpring offers custom pricing plan

PayAnywhere - Payment Processing Software

PayAnywhere

Secure payments made easy on the go!

Best for: SMB teams · Mid-market · Enterprise

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What is PayAnywhere?

PayAnywhere is payment processing software that enables you to accept secure payments anywhere on the web.. It offers the ability to take payments for goods and services through your mobile device or tablet, where you are. Businesses of any size can take advantage of PayAnywhere to process ...

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PayAnywhere 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

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

Przelewy24 - Payment Processing Software

Przelewy24

Effortless payment processing for modern businesses.

Best for: SMB teams · Mid-market · Enterprise

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What is Przelewy24?

Przelewy24 is a multichannel payment processing software with a single, unified platform. It gives you the ability to present modern payment techniques to your customers, and provides all the tools to support online channels. We simplify the way you process transactions and provide 24/7 ...

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Przelewy24 offers custom pricing plan

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

Nuvei - Payment Processing Software

Nuvei

Effortless payments, seamless transactions.

Best for: SMB teams · Mid-market · Enterprise

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What is Nuvei?

Nuvei is a cloud-based SaaS payment processing system for business that combines the power and flexibility of API-based transaction processing with the simplicity of traditional online Point-of-Sale (POS) systems. In addition to its flexible API, Nuvei supports familiar POS interfaces such as ...

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Nuvei 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].