Payments & Billing

Stripe is the most comprehensive payment infrastructure platform for internet businesses, powering millions of companies from startups to enterprises like Amazon, Shopify, and Zoom. The platform combines payment processing, subscription management, fraud prevention, and financial reporting into a unified API-first solution. Stripe excels at developer experience with exceptional documentation, pre-built UI components, and webhooks for every payment event. Beyond basic payments, Stripe offers sophisticated products like Stripe Billing for subscription management, Stripe Tax for automatic tax calculation, Stripe Radar for AI-powered fraud prevention, and Stripe Treasury for embedded banking features. The platform processes over $640 billion annually and supports 135+ currencies and payment methods including cards, bank transfers, digital wallets, and buy-now-pay-later options. For startups, Stripe provides the flexibility to start simple and scale into complex billing models, global expansion, and embedded finance features without changing platforms. The no-code Stripe Payment Links and pre-built Checkout experience allow non-technical founders to start accepting payments in minutes, while developers can build fully custom payment flows with granular control. Stripe reliability is industry-leading with 99.99% uptime, making it the default choice for startups prioritizing growth without payment infrastructure limitations.

Paddle is a complete revenue delivery platform that serves as the merchant of record for your software business, handling not just payments but also tax compliance, fraud prevention, and subscription management globally. Unlike traditional payment processors, Paddle assumes legal liability for transactions, manages all global tax remittance (VAT, sales tax, GST), and handles chargebacks and disputes on your behalf. This merchant-of-record model dramatically simplifies international expansion—you can sell globally from day one without setting up legal entities in different countries or worrying about complex tax regulations. Paddle specializes in B2B and B2C software businesses, with deep expertise in subscription pricing, checkout optimization, and revenue recovery. The platform provides sophisticated subscription management including trials, upgrades, proration calculations, pause functionality, and customer self-service portals that reduce support burden. Paddle also offers powerful pricing experimentation tools, allowing you to A/B test different pricing models and checkout flows to maximize conversion rates. With built-in revenue analytics, cohort analysis, and financial reporting, Paddle gives founders the insights needed for data-driven pricing decisions and investor reporting. The platform processes over $2 billion annually for companies like Canva, Setapp, and Toggl, with particularly strong adoption in the developer tools and productivity software markets.

Lemon Squeezy is the merchant of record platform designed specifically for digital product creators, indie hackers, and solopreneurs who want to sell digital products, SaaS subscriptions, and software without dealing with payment infrastructure complexity. The platform handles everything from payment processing and global tax compliance to fraud prevention and customer support, allowing solo founders to focus on building products rather than managing payment operations. Lemon Squeezy excels at ease of use with a clean, intuitive interface that requires no coding—you can set up products, pricing, and start selling in under 15 minutes. The platform supports various pricing models including one-time payments, subscriptions, lifetime deals, and even Gumroad-style "pay what you want" pricing. A standout feature is the affiliate system that lets you create and manage affiliate programs automatically, with customizable commission structures and automatic payouts. Lemon Squeezy also offers software licensing and activation key generation, making it ideal for desktop apps and software tools. The platform takes care of EU VAT, US sales tax, and global GST automatically, storing your funds in a Lemon Squeezy wallet that you can withdraw weekly. With features like automatic PDF stamping for ebooks, license key validation APIs, and customer portals for subscription management, Lemon Squeezy has become the go-to platform for bootstrapped founders and digital creators who prioritize simplicity and speed over complex enterprise features.

Chargebee is a powerful subscription management and recurring billing platform built for SaaS and subscription businesses that have outgrown basic payment tools or need sophisticated pricing flexibility. The platform excels at managing complex subscription scenarios including multi-tier pricing, usage-based billing, hybrid pricing models, and enterprise contract management. Chargebee allows you to experiment with virtually any pricing structure—seat-based, usage-metered, tiered pricing, volume pricing, or combinations thereof—without custom development. The platform integrates seamlessly with multiple payment gateways including Stripe, PayPal, Braintree, and Authorize.net, giving you flexibility to optimize for regional preferences or negotiate better processing rates. Chargebee particularly shines in revenue operations with advanced features like revenue recognition automation, subscription analytics, cohort analysis, and detailed dunning management that reduces involuntary churn. The platform supports global expansion with multi-currency billing, localized checkout experiences, and built-in tax calculation for complex jurisdictions. For growing startups, Chargebee offers subscription pause and resume functionality, gift subscriptions, promotional pricing, and customer self-service portals that reduce support burden. With 1,800+ integrations including accounting tools, CRM systems, and analytics platforms, Chargebee acts as the revenue hub connecting your entire business operations. Companies like Freshworks, Calendly, and Study.com rely on Chargebee to manage billions in recurring revenue.

PayPal remains one of the most recognized and trusted payment brands globally, processing over $1.4 trillion in payment volume annually across 200+ markets. For startups, PayPal offers the advantage of instant credibility and customer trust—many buyers, especially in consumer markets, prefer or only have PayPal accounts. The platform provides multiple integration options ranging from simple PayPal buttons requiring no coding to comprehensive PayPal Checkout, invoicing capabilities, and recurring subscription billing. PayPal particularly excels for international commerce, supporting 25 currencies and enabling cross-border transactions with built-in currency conversion and buyer/seller protection. The PayPal brand recognition significantly reduces checkout friction, with studies showing PayPal buttons can increase conversion rates by 20-70% compared to entering credit card information manually. Beyond payment processing, PayPal offers working capital loans to eligible businesses, Venmo integration for younger consumers, and PayPal Pay Later options that boost purchase conversion. The platform has evolved to support subscription billing with automatic recurring payments, failed payment retry logic, and customer account management. While PayPal fees are typically higher than specialized platforms, the conversion rate improvement often justifies the cost. For early-stage startups testing product-market fit, PayPal offers the fastest path to accepting payments—you can integrate a payment button in minutes without business verification delays. The platform also provides strong fraud protection with sophisticated detection systems that balance security with customer experience.

Recurly is an enterprise-grade subscription management platform specifically built for high-growth businesses that need reliable, scalable recurring billing infrastructure. The platform processes over $18 billion in subscription revenue annually for companies like Twitch, BarkBox, and Paramount+, demonstrating its capability to handle massive transaction volumes. Recurly distinguishes itself through exceptional reliability with 99.99% uptime SLA and bank-level security certifications, making it suitable for businesses where payment failures directly impact revenue. The platform offers sophisticated subscription management including complex trial configurations, mid-cycle plan changes with prorated billing, add-on management, and gift subscriptions. Recurly revenue recovery engine is particularly powerful, using machine learning to optimize payment retry timing and methods, recovering an average of 12-19% of failed transactions. The platform supports multiple payment gateways simultaneously, allowing intelligent routing based on transaction type, amount, or customer location to optimize approval rates and minimize fees. For growing SaaS companies, Recurly provides deep analytics including subscriber-level profitability analysis, cohort retention tracking, and revenue forecasting that powers board presentations and financial planning. The platform handles complex tax scenarios automatically with integrations to Avalara and TaxJar, maintaining compliance as you expand to new jurisdictions. While Recurly pricing is higher than some alternatives, companies choose it for mission-critical reliability and the ability to scale from millions to billions in subscription revenue without platform migrations.

FastSpring is a comprehensive e-commerce and subscription platform serving as merchant of record specifically for software, SaaS, digital goods, and online services. The platform distinguishes itself by combining payment processing, global tax compliance, fraud management, and multi-channel sales into a unified solution optimized for software companies. FastSpring excels at contextual commerce, allowing you to sell directly from your website, application, or even inside your software product with embedded purchase experiences. The platform handles complex global compliance including EU VAT, US sales tax, Canadian GST, and other regional requirements across 200+ countries, automatically calculating and remitting taxes on your behalf. FastSpring offers powerful localization capabilities with checkout pages in 20+ languages, support for 19 currencies, and regional payment methods including credit cards, PayPal, wire transfers, and local options like Konbini in Japan or Boleto in Brazil. For software businesses, FastSpring provides sophisticated license management with activation key generation, enforcement APIs, and automated delivery systems. The platform supports multiple business models including one-time purchases, subscription billing, free trials, upgrade paths, and cross-sell opportunities through optimized checkout flows. FastSpring unique value proposition includes human-powered fraud review that achieves 99.5% fraud detection accuracy while maintaining high approval rates for legitimate transactions. With comprehensive analytics showing conversion funnels, revenue metrics, and customer lifetime value, FastSpring gives software founders the insights needed to optimize their entire revenue operation.

Gumroad is the beloved platform for creators, indie makers, and digital product sellers who want to monetize their work without building payment infrastructure. Originally created by Sahil Lavingia to sell his own design work, Gumroad has evolved into a powerful yet simple platform processing over $500 million annually for creators selling everything from ebooks and courses to software tools and memberships. The platform stands out for its extreme ease of use—you can create a product, set pricing, and start selling in under 5 minutes without coding or complex setup. Gumroad embraces flexible pricing models including pay-what-you-want, minimum prices, suggested prices, and tiered offerings that let customers choose their level of support. The built-in audience features allow creators to build email lists, send updates to customers, and create recurring membership content all within Gumroad platform. For digital creators testing ideas, Gumroad offers the lowest barrier to entry with no monthly fees, no setup costs, and instant payouts within 24-48 hours of sales. The platform handles payment processing, file delivery with streaming previews, license key generation for software, and even physical product fulfillment integration. Gumroad unique Discover section gives your products organic visibility to millions of Gumroad users browsing for creative work, courses, and tools. While not suitable for complex SaaS businesses with usage metering, Gumroad is perfect for indie hackers selling digital products, online courses, templates, design assets, and creator tools where simplicity and speed matter more than enterprise features.