Best Software For Payment Processing in 2026: My honest take

By Stefan Ciancio on 2026-07-02

TL;DR: The best software for payment processing depends entirely on your business model. For SaaS and custom platforms, Stripe is the flexible standard. For digital products and courses, an all-in-one cart platform like SamCart or ThriveCart is superior for conversions. For high-volume businesses, negotiating an interchange-plus plan with a processor like Adyen or a merchant acquirer is key to lowering fees.

Quick answers

What is the easiest payment processing software?

For non-technical founders, all-in-one shopping cart platforms like SamCart and ThriveCart are the easiest. They bundle the payment gateway, checkout page templates, upsells, and affiliate tracking into one package with no coding required. You connect your Stripe or PayPal account, and the platform handles the rest, allowing you to create a high-converting sales funnel in minutes.

How much does payment processing software cost?

Standard pricing is typically 2.9% + 30¢ per transaction from providers like Stripe and PayPal. However, this is just the beginning. All-in-one platforms add a monthly or lifetime fee on top of that (e.g., $59-$199/month). At scale, businesses can negotiate lower rates, often through an "interchange-plus" model, where you pay the raw card network fee plus a small fixed margin to your processor.

What’s the difference between a payment gateway and a processor?

Think of it like this: the payment gateway is the secure digital terminal (the software) that captures and encrypts customer card details on your website. The payment processor is the financial institution that actually communicates with the card networks (Visa, Mastercard) and banks to move the money from the customer's account to yours. Some companies, like Stripe, act as both in one integrated service.

Is Stripe the best option for everyone?

No, it's not. Stripe is fantastic for developers who need a flexible, powerful API to build custom billing systems, which is why we use it as the backbone for WebinarKit. However, for selling simpler digital products, its lack of built-in conversion tools (like one-click upsells and order bumps) makes it a poor choice on its own. Its support can also be frustratingly slow and automated for smaller accounts.

Can I switch payment processors easily?

It's often much harder than you think. The biggest hurdle is data portability. If your customers' credit card data is stored in one processor's vault (like Stripe's), moving those subscription tokens to another processor can be a complex and time-consuming technical project. This creates significant vendor lock-in, which is why choosing your primary processor is such a critical early decision.

What payment software is best for a new SaaS?

For a new SaaS business, the best starting point is almost always a combination of a subscription management platform built on top of a core payment gateway like Stripe.

This is the exact playbook we followed for my companies WebinarKit and Maker AI. You need to separate the logic of your subscription plans (SaaS plans, trials, recurring billing) from the raw mechanics of charging a credit card. Stripe is the engine- the underlying rails that move the money. But a tool like Chargebee, Recurly, or even the built-in Stripe Billing is the transmission and steering- it manages the complexity of who to charge, how much, and when. When we launched WebinarKit, we initially used a cart platform to validate the idea quickly. We hit our first million in revenue on that system. But as we grew, we needed more control over prorated subscriptions, metered usage, and complex upgrades/downgrades. That's when we built our own billing layer using the Stripe API. For a brand new SaaS today, I'd suggest starting with Stripe Billing. It handles subscriptions, invoicing, and basic dunning (retrying failed payments) directly within the Stripe ecosystem. It's robust enough for your first few million in ARR and prevents you from having to integrate yet another third-party service from day one. Only when your billing logic becomes truly unique- think usage-based billing like an AI tool might need- should you consider a more advanced platform like Chargebee. Don't over-engineer it early on. The goal is to get to market and start signing up users, not to build the world's most perfect billing system.

Why do I recommend cart platforms over simple gateways?

For anyone selling digital products, ebooks, or courses, a dedicated cart platform consistently delivers more revenue and profit than a simple payment gateway alone.

When I launched my Amazon best-selling book, Sell More With Webinars, as a digital package, I didn't just put a Stripe "Buy Now" button on a page. I used a cart platform to build a sales funnel. This is the key difference. A simple gateway like Stripe or PayPal just processes a payment. A cart platform is a sales machine. On my checkout page, I could add an "order bump" - a small checkbox for an additional product that added immediate revenue. After the initial purchase, I presented a one-click upsell for a masterclass. These two features alone boosted my average order value by over 40%. To replicate that with just Stripe, I would have needed a developer to custom-code the entire flow, manage post-purchase API calls, and build a UI for it all. With a tool like SamCart or ThriveCart, I dragged and dropped it into place in 30 minutes. The monthly fee for the platform was paid for within the first few sales of the day. These platforms also handle EU/UK VAT, sales tax, and provide built-in affiliate programs. Trying to bolt all that onto a basic gateway is a nightmare of plugins and custom work. For my digital product businesses, the cart platform isn't just a cost center; it's a profit center.

What's the hidden cost of "simple" 2.9% + 30¢ pricing?

That widely advertised flat-rate pricing is simple, but it is rarely the cheapest option, especially as your business scales, because it masks the true underlying costs.

The 2.9% + 30¢ model is a blended rate. The payment processor (like Stripe or PayPal) pays a much lower raw cost to the card networks (Visa, Mastercard) called an interchange fee. This fee varies wildly based on card type (debit vs. credit, personal vs. corporate, rewards vs. basic). A basic debit card might have an interchange fee of just 0.05% + 22¢. A premium rewards credit card could be over 2.5%. With a flat-rate model, you pay 2.9% no matter what. The processor profits from the difference, or the "spread," which is massive on low-cost debit card transactions. As you grow, you should move to an "Interchange-Plus" pricing model. Here, you pay the true interchange cost for each transaction plus a fixed, transparent markup to the processor (e.g., Interchange + 0.20% + 10¢). On a $100 transaction with a debit card, this could save you over $2 per transaction compared to the flat-rate model. When WebinarKit crossed the multi-million dollar revenue mark, negotiating our processing fees was a top priority. Moving to a more transparent pricing structure saved us tens of thousands of dollars annually. Don't be fooled by simplicity; it often comes at a premium.

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How do you handle international payments and currencies?

You handle international payments effectively by using a processing partner that offers localized payment methods and dynamic currency conversion at a fair rate.

Both WebinarKit and Maker AI have customers all over the world. Simply showing USD pricing to a customer in Germany or Brazil creates friction and reduces conversion rates. People want to pay in their local currency. Modern payment software can handle this in two ways. First, multi-currency pricing, where you set fixed prices for different regions (e.g., $49 USD, €45 EUR). Your processor handles the settlement. Second, dynamic currency conversion, where the price is automatically converted at checkout based on current exchange rates. Be careful here. Many processors add a significant 2-4% fee on top of the base exchange rate for currency conversion. Stripe, for example, charges an additional percentage for international cards and another for currency conversion. You need to read the fine print. More importantly, you need to offer local payment methods. In the Netherlands, iDEAL is huge. In Germany, Giropay and SEPA Direct Debit are common. In Brazil, it's Boleto. A good payment provider for global business, like Stripe or Adyen, will have integrations for these methods. Not offering them is like not accepting credit cards in the US. You are leaving money on the table. For our SaaS products, enabling just a few key local payment methods in Europe increased our conversion rate in those countries by nearly 15% overnight.

When should you graduate from Stripe to a more advanced solution?

You should graduate from a standard Stripe account when your transaction volume is high enough to negotiate lower interchange-plus pricing or when you need a multi-processor strategy for redundancy.

Stripe is an incredible place to start, and frankly, a place you can stay for a very long time. However, there are two key inflection points where it makes sense to look beyond a simple, single Stripe account. The first is pure volume. Once you're processing over $1M-$2M per year, the standard 2.9% + 30¢ is too expensive. You have leverage. At this point, you can either negotiate a better rate with Stripe's sales team or, more effectively, go to a competitor like Adyen or another merchant acquirer and get an interchange-plus quote. Presenting that competitive quote back to Stripe is your best negotiation tactic. The second, and more critical, reason to graduate is redundancy. What happens if Stripe freezes your account? It happens more than you think, often due to a misunderstanding from their automated fraud systems. I've had friends with healthy seven-figure businesses get their accounts frozen for weeks, crippling their cash flow. The solution is a multi-processor setup using a payment orchestration layer. This software sits on top of multiple processors (e.g., Stripe, Braintree, Adyen) and intelligently routes transactions. If Stripe goes down or freezes you, you can flip a switch and route all new payments through Braintree instantly. This is an advanced setup, but for any business over the $5M ARR mark, it moves from a "nice-to-have" to essential infrastructure.

What's the one biggest mistake founders make with payment processing?

The single biggest mistake is not having a backup processor and allowing yourself to be completely locked into a single provider's ecosystem.

I just touched on this, but it's so important it deserves its own section. Every founder I know, including myself, is terrified of waking up to that email: "We've noticed unusual activity on your account..." from their payment processor. Your entire business revenue stops. I've seen it happen to colleagues who run info-product businesses that Stripe's risk team suddenly decides is "high risk" after years of processing millions with them. Their funds are frozen, and they can't accept new payments. It's a company-killing event. The mistake is thinking it won't happen to you. The solution is to prepare for it from day one. Even if you aren't ready for a complex payment orchestration layer, you should at least have a second merchant account approved and waiting. Sign up for both Stripe and Braintree (a PayPal company) or another provider. Keep the second account active with a small amount of transaction volume, even if it's just for an internal tool. This ensures the account stays in good standing. More importantly, when building your product, avoid using proprietary features that lock you in, like Stripe's own subscription logic if you can help it. If your subscription logic is in your own database, pointing to a new processor is much easier. Being held hostage by your payment processor is a rookie mistake, and it's one I work hard to avoid across all my businesses in my portfolio.

How do I compare payment processing software effectively?

You can compare payment software by following a structured evaluation process that looks beyond the headline rate and analyzes features, integration, scalability, and support based on your specific business model.

Founders often just look at the percentage fee and make a decision. That's a huge error. To truly pick the right partner, you need a more rigorous approach. Over the years, I've developed a checklist for this, which has saved me countless headaches. In fact, this process is what led me to create my latest project, ProcessingScoop, to help other founders navigate these exact decisions. Here is my five-step framework for evaluation:

Define Your Core Need: Are you a SaaS with recurring subscriptions? An e-commerce store with physical goods? A creator selling digital downloads? Be specific. The needs of WebinarKit are vastly different from selling my book. This decision dictates whether you need a gateway, a cart, or a subscription management platform.
Calculate The True Cost: Don't just look at 2.9%. Model your costs based on your Average Transaction Value (ATV). A provider with a higher percentage but a lower per-transaction fee might be cheaper if your ATV is low. Include monthly fees, PCI compliance fees, chargeback fees, and currency conversion costs. Create a spreadsheet.
Audit The Feature Set for Your Model: If you're selling info products, do they have built-in order bumps, upsells, and an affiliate portal? If you're a SaaS, how robust is their dunning management for reducing churn? How well do they handle prorated subscriptions and trials? List your must-have features and check them off. See my table below for a quick comparison.
Assess Integration and Portability: How good is the API documentation? Do they have official client libraries for your tech stack? Most importantly, what is their policy and process for exporting customer payment tokens if you decide to leave? Ask this question directly to their sales team and get it in writing. This is your leverage against vendor lock-in. For more on the tools I use, check out my tools page.
Test Their Support: Before you commit, test their support channels. Ask a few detailed, technical questions via email or chat. Is the response fast? Is it from a knowledgeable human or a bot that links to a generic FAQ? Imagine you have a critical issue with payments being declined. The quality of support you experience *before* you're a customer is the absolute best it will ever be. If it's bad now, it will be abysmal when you actually need them.

Comparison: Stripe vs. SamCart vs. Chargebee

Factor	Stripe (Gateway)	SamCart (Cart Platform)	Chargebee (Subscription Management)
Primary Use Case	Custom development, API-first integrations, SaaS backend	Selling digital products, courses, and ebooks with funnels	Complex B2B/B2C SaaS subscription and billing logic
Pricing Model	2.9% + 30¢ per transaction (plus fees for other services)	$59-$199/month + processor fees (Stripe, etc.)	Starts ~$299/month, scales with revenue + processor fees
Key Strengths	Incredible API, developer tools, global reach, reliability	High-converting templates, 1-click upsells, order bumps, affiliate center	Advanced dunning, prorating, usage-based billing, revenue recognition
Biggest Weakness	Requires development work; poor support for smaller accounts	Not ideal for complex SaaS billing or physical goods fulfillment	Overkill and too expensive for simple digital products or new businesses

Can AI improve my payment processing and reduce fraud?

Yes, AI is already fundamentally improving payment processing by drastically enhancing fraud detection and beginning to optimize revenue recovery.

The most significant impact of AI in payments right now is in fraud prevention. Platforms like Stripe have been using machine learning for years with their Radar product. These AI models are trained on trillions of data points across their entire network. They can spot patterns indicative of fraudulent activity that simple rule-based systems would miss. For example, it can see if a credit card is being used in multiple locations in an impossibly short time, or if the purchasing behavior suddenly deviates from the card's history. Running a business like WebinarKit, we get fraudulent sign-up attempts every single day. Stripe Radar blocks over 95% of them automatically, saving us thousands in potential chargeback fees. A single chargeback fee can be $15-$25, not to mention the lost revenue. Too many chargebacks and you risk being shut down by your processor. The next frontier for AI is in revenue recovery. Tools are emerging that use AI to analyze why a payment failed (e.g., insufficient funds, expired card, bank rejection) and then automatically retry the payment at the most optimal time. For instance, the AI might learn that retrying a payment for "insufficient funds" is most successful on a Friday morning. This is a step beyond simple dunning rules and actively increases recovered revenue, a huge deal for any subscription business. It's a space I'm watching closely and experimenting with for my AI software, Maker AI, and you can follow along on my blog for updates.

Need Deeper Payment Processing Comparisons?

I built ProcessingScoop.com to provide a dedicated, in-depth resource for founders. It features detailed reviews, head-to-head comparisons, and fee calculators to help you choose the absolute best payment software for your specific situation. Don't leave money on the table.

Explore ProcessingScoop Now

FAQ

What is a merchant account and do I need one?

A merchant account is a special type of bank account that allows you to accept credit and debit card payments. All-in-one providers like Stripe or PayPal provide one for you as part of their service. If you use a traditional payment gateway and processor, you'll need to apply for your own dedicated merchant account from an acquiring bank.

How can I reduce my credit card processing fees?

The best way is to increase your transaction volume and then negotiate an interchange-plus pricing plan with your processor. You can also encourage customers to use lower-cost payment methods, like ACH bank transfers, which have much lower fees than premium credit cards. This is especially effective for B2B transactions.

What is PCI compliance and do I need to worry about it?

PCI DSS (Payment Card Industry Data Security Standard) is a set of security rules for handling credit card data. If you use modern, hosted solutions like Stripe Elements or a cart platform like SamCart, they handle almost all of the PCI compliance burden for you by ensuring you never directly touch or store sensitive card information on your servers.

Are 'lifetime deal' cart platforms like ThriveCart a good deal?

They can be an incredible deal if you get in early. I've used and recommended them. Paying once for a core piece of your sales infrastructure is powerful. However, be aware that their incentive to innovate and provide top-tier support can be lower than subscription-based competitors over the long term. It's a trade-off.

What is the best payment software for in-person events?

For in-person events, like the ones we run for my Epic Marketing Events brand, services like Square and Stripe Terminal are fantastic. They provide physical card readers (terminals) that integrate directly with your online account. This unifies your online and offline sales data, making accounting and customer management much simpler.

Is PayPal a good primary payment processor?

PayPal is an excellent secondary payment option to offer at checkout, as many users trust it and have an account. However, I advise against using it as your *sole* processor. They are notoriously quick to freeze or limit accounts, especially for digital goods, and their seller protection can be less robust than a dedicated merchant account or Stripe.

What's the difference between Stripe and Stripe Billing?

Stripe is the core payment gateway that processes one-time charges via its API. Stripe Billing is a software layer built on top of the Stripe gateway that is specifically designed to manage recurring revenue, subscription plans, trials, and automated invoicing. It's Stripe's answer to subscription management platforms like Chargebee.

Can I use crypto for payment processing?

While some platforms are beginning to experiment with accepting stablecoins (like USDC), it's still not mainstream for most SaaS or e-commerce businesses in 2026. The main challenges are price volatility, lack of widespread customer adoption, and unclear accounting and tax implications. For now, it remains a niche option rather than a primary payment method.

FAQ