15 Best US Payment Processors for SaaS

Riten Debnath

29 Sep, 2025

Whether you're launching your first SaaS startup or scaling a successful subscription business, choosing the right payment processor isn’t just about accepting payments, it's about streamlining billing, automating renewals, managing international transactions, and keeping data secure. In 2025, US SaaS companies rely on advanced, flexible payment tools so they can focus on product innovation rather than payment headaches. The right partner improves your cash flow, customer experience, and supports global expansion.

I’m Riten, founder of Fueler, a platform that helps freelancers and professionals get hired through their work samples. In this article, I’ve walked you through the most in-demand freelance skills for 2025. But beyond mastering skills, the key is presenting your work smartly. Your portfolio isn’t just a collection of projects, it’s your proof of skill, your credibility, and your shortcut to trust.

1. Stripe

Stripe is widely regarded as the gold standard for SaaS payment processing, offering developer-friendly APIs, global support, and robust recurring billing features. Its advanced fraud protection and seamless subscription management make it a favorite among fast-growing SaaS firms.

Accepts payments in 135+ currencies and supports multiple payment methods
Powerful subscription management tools for trials, upgrades, downgrades, and proration
Built-in fraud prevention and authorization optimization using machine learning
Developer-first platform with customizable hosted checkout and deep integrations

Pricing: 2.9% + $0.30 per transaction; no monthly fees

Why it matters: Stripe provides reliability, scalability, and compliance, making it the ideal backbone for SaaS revenue growth in the US and internationally.

2. PayPal

PayPal is trusted by millions for its ease of use, global reach, and secure payment infrastructure. It integrates effortlessly with SaaS platforms and supports subscriptions, recurring payment plans, and buyer authentication.

Available in 200+ countries and supports 50+ currencies for global SaaS
Features like recurring billing, buyer authentication, and robust data encryption
PayPal Pro allows custom hosted checkout experiences
Seller protection, two-factor authentication, and encrypted transactions

Pricing: 2.99% per transaction for standard payments; $25/month for PayPal Pro

Why it matters: PayPal’s accessibility, top-tier security, and broad market recognition make it a reliable choice for SaaS businesses seeking global scale.

3. Braintree

Braintree, part of the PayPal network, offers both hosted and API-driven gateway solutions. Flexible, secure, and ideal for SaaS billing, it supports credit cards, digital wallets, “buy now, pay later,” and robust subscription features.

Unified integration for multiple payment methods including cards, wallets, and ACH
Subscription tools for recurring, one-time, or custom billing cycles
Advanced fraud protection and PCI Level 1 compliance
Developer-ready APIs and seamless integration with Chargebee for automation

Pricing: 2.59% + $0.49 per transaction; Venmo payments 3.49% + $0.49

Why it matters: Braintree’s flexibility and global capability make it excellent for managing complex SaaS payment flows.

4. Adyen

Adyen is known for enterprise-grade payment support, serving brands like Microsoft and Amazon. It specializes in omnichannel commerce, recurring billing, and detailed analytics for revenue optimization.

One integration supports global payments, local payment methods, and cross-border sales
Subscription and recurring billing management out of the box
Sophisticated fraud and risk management tools
Scales easily with embedded payments for platforms and marketplaces

Pricing: Custom; transaction fees based on payment method and volume

Why it matters: Adyen’s flexibility and international reach equip large US SaaS firms to expand globally without payment limitations.

5. Authorize.net

Authorize.net is a veteran payment processor designed for reliability and security. It serves SaaS businesses with online, mobile, and invoice payments, recurring billing, and fraud detection.

Easy setup and seamless API integration for SaaS or e-commerce platforms
Automated recurring payments and subscription management
Advanced fraud detection suite and PCI DSS compliance
Supports ACH, Apple Pay, and international card payments

Pricing: $25/month plus 2.9% + $0.30 per transaction

Why it matters: Authorize.net’s robust infrastructure and reliable support make it a classic choice for growing US SaaS brands needing security and stability.

6. 2Checkout (now Verifone)

2Checkout (Verifone) is a popular choice for SaaS looking to sell globally with local payment options and seamless subscription features. Known for flexibility and compliance.

Handles payments in over 200 countries with support for local currencies
Recurring, one-time, “pay what you want,” and custom subscription management
High-security protocols and fraud detection
User-friendly dashboard with detailed analytics

Pricing: 3.5% + $0.35 per transaction on basic plan

Why it matters: 2Checkout (Verifone) simplifies global expansion and recurring billing for SaaS products—and helps comply with local tax laws.

7. Square

Square excels in simplicity, reliability, and innovation. Trusted by many US brands, it supports subscriptions, payment processing, invoicing, and POS.

Easy setup, clean dashboard, and integration with e-commerce and SaaS platforms
Supports in-person, online, and recurring payments
Robust fraud detection, PCI compliance, and data security
Transparent flat-rate pricing without hidden fees

Pricing: 2.6% + $0.10 per swipe; online payments 2.9% + $0.30

Why it matters: Square’s user-friendly setup and strong customer support are ideal for SaaS businesses scaling quickly.

8. Worldpay (FIS)

Worldpay is trusted by enterprise SaaS firms for its reliability and integration with large-scale platforms. It specializes in global payments, recurring billing, and enhanced fraud protection.

Supports 120+ currencies and countless local payment methods
Recurring billing, subscriptions, and robust PCI compliance
Real-time reporting and analytics dashboards
Heavy-duty fraud management and risk scoring

Pricing: Custom pricing

Why it matters: Worldpay helps SaaS brands process high-volume global transactions without compromising security or speed.

9. WePay

WePay, part of J.P. Morgan Chase, supports SaaS platforms and marketplaces with scalable embedded payments. It’s popular for integrated payments in software platforms.

Offers seamless payment API and white-label checkout experiences
Efficient handling of recurring payments and subscription models
Deep security standards with fraud monitoring and PCI compliance
Fast settlement times and reliable customer support

Pricing: Custom; generally competitive transaction fees

Why it matters: WePay’s API-centric embedded model streamlines the user experience for SaaS and B2B platforms.

10. CyberSource (Visa)

CyberSource offers robust payment management for SaaS businesses ready for high-volume transactions. It stands out for international support, scalability, and top-notch security.

Comprehensive fraud detection powered by Visa
Flexible recurring billing, invoice management, and batch payment capabilities
Multi-currency and local payment support for international growth
Scalable platform for enterprise SaaS with customizable APIs

Pricing: Custom quotes (enterprise focus)

Why it matters: CyberSource empowers ambitious SaaS brands to scale with global reliability and advanced security.

11. Paddle

Paddle is a full-stack SaaS payments solution focusing on subscription management, recurring billing, and international payments.

Simple API integration manages subscriptions, upgrades, cross-sells, and compliance
Available in 200+ countries and 25 currencies
Embedded fraud detection, compliance, and customizable checkout
Excellent support and clear transaction fees

Pricing: 5% + $0.50 per transaction

Why it matters: Paddle is ideal for SaaS startups aiming to grow globally without the burden of maintaining payment compliance infrastructure.

12. Lemon Squeezy

Lemon Squeezy offers SaaS-focused payment tools with customizable, easy-to-implement recurring billing and in-app purchase options.

Fast, secure checkout for digital services
Subscriptions, licensing, and simplified global tax management
Integrated fraud protection and reporting
Developer-friendly API and intuitive dashboard

Pricing: 5% transaction fee

Why it matters: Lemon Squeezy reduces the friction in SaaS billing and compliance, allowing founders to focus on product, not payments.

13. Mollie

Mollie is a well-known payment gateway throughout Europe, used for SaaS businesses expanding internationally. It simplifies online payments and supports local regulations.

Offers recurring billing and subscription management
Integrates with local payment methods and multi-currency support
AI-powered fraud detection ensures secure transactions
Easy set-up and transparent pricing

Pricing: Typically 2.8% per transaction; varies by region

Why it matters: Mollie’s smart onboarding and global reach make it a smart choice for SaaS teams targeting European growth.

14. Gumroad

Gumroad is popular for SaaS companies and digital creators wanting simplicity and flexibility in selling products, subscriptions, and memberships globally.

International payments, pay-what-you-want pricing, and subscription support
PCI compliance, TLS encryption, IP tracking, and fraud management
Supports major cards, PayPal, Apple Pay, Venmo, and more
No setup fees, only pay when you sell

Pricing: 10% transaction fee

Why it matters: Gumroad’s simplicity and creative flexibility make it easy for startups and SaaS founders to launch quickly and scale globally.

15. Mural Pay

Mural Pay is new but growing quickly. It’s a business-first payment processor focused on global payouts, batch payments, and competitive FX rates for SaaS companies expanding internationally.

Supports local currencies and cross-border payments in 40+ countries
KYB/KYC compliance for business security and transparency
Fast batch payouts for contractors and partners
Transparent FX and fee structures for easy budgeting

Pricing: Competitive, business-centric fee structure

Why it matters: Mural Pay is becoming a go-to solution for SaaS platforms needing efficient, compliant international payment management.

How Fueler Helps SaaS Teams and Payment Experts Stand Out

Selecting and integrating the right payment processor is critical but showcasing your payment setup, automation workflows, or growth results can win more clients and investor attention. Fueler lets SaaS professionals and founders display real project outcomes, payment automation case studies, and financial impact in one professional portfolio. This visibility accelerates partnerships, funding, and career growth.

Final Thoughts

The US SaaS landscape in 2025 demands secure, flexible, and global payment processing. These 15 processors combine recurring billing, fraud management, and powerful APIs to support every stage of SaaS growth. Whether launching, scaling, or expanding internationally, choosing the right tool can make a massive difference in cash flow and customer experience. Pair your tech stack with proof-driven portfolios on Fueler to stand out in the digital subscription economy.

FAQs

What is the best payment processor for SaaS startups in the USA?

Stripe is the most popular, followed by Braintree, PayPal, and Adyen for reliability and global support.

How do payment processors handle recurring billing for SaaS?

Most offer automated subscription tools, proration, upgrades/downgrades, and renewal management built in.

Can SaaS companies accept payments internationally?

Yes, leading payment gateways like Stripe, PayPal, Paddle, and Adyen support multi-currency and cross-border payments.

What security features should SaaS payment processors include?

PCI compliance, fraud detection, two-factor authentication, and encryption are standard among reputable providers.

How does Fueler help SaaS payment consultants and founders?

Fueler lets you build a portfolio of successful billing integrations, automation, and financial impact establishing proof that attracts clients and partners.

What is Fueler Portfolio?

Fueler is a career portfolio platform that helps companies find the best talent for their organization based on their proof of work. You can create your portfolio on Fueler, thousands of freelancers around the world use Fueler to create their professional-looking portfolios and become financially independent. Discover inspiration for your portfolio