Recurly

Authorize.net

Authorize.net provides a reliable payment gateway that lets merchants accept credit cards, e‑checks, and digital wallets online and in‑person. It offers a suite of tools for fraud prevention, recurring billing, and detailed reporting, all hosted in a PCI‑compliant environment. The platform integrates with major shopping carts, accounting software, and mobile apps, giving businesses of any size a unified solution for transaction management. With a developer‑friendly API and robust support, merchants can scale their payment operations while maintaining security and compliance.

Stripe

Stripe is a comprehensive suite of payment APIs and financial services that enables businesses to accept online and in-person payments globally. It provides the robust tools necessary to handle credit cards, digital wallets, recurring billing, and complex marketplace payouts securely. Designed for developers and modern enterprises alike, Stripe streamlines financial operations by automating revenue management, fraud detection, and financial reporting. Its modular architecture allows companies to scale from simple checkout pages to fully customized global payment flows.

Braintree

Braintree provides a unified payments solution that lets businesses accept credit cards, digital wallets, and local payment methods across web and mobile apps. It includes built‑in fraud detection, tokenization, and a vault for securely storing payment data. The service integrates with major e‑commerce platforms and offers robust APIs and SDKs for developers to build custom checkout experiences, recurring billing, and global payouts.

Chargebee

Chargebee is a subscription billing and revenue management platform designed for SaaS and subscription businesses. It handles recurring invoicing, dunning, and revenue recognition, making it an essential tool for businesses that rely on subscription-based models.

ChartMogul

ChartMogul is a subscription intelligence platform, used by more than 3,000 SaaS companies including Buffer, Todoist, and Pitch, that turns raw billing data into accurate recurring revenue metrics. It reconciles payments, refunds, upgrades, discounts, and currency conversions across multiple payment systems and complex billing models like per-seat, tiered, and usage-based pricing. Beyond core MRR/ARR reporting, ChartMogul adds AI-powered analysis that combines billing, communication, lead, and product-usage data to explain what is driving growth or churn, plus a built-in CRM and PLG tools for tracking trials and free-to-paid conversion. Pricing starts with a free tier up to $10K MRR, scales through Starter and Pro tiers priced by ARR band, and reaches custom Enterprise plans from $19,900/year.