IJPay

BitPay

BitPay is a comprehensive cryptocurrency payment service provider and digital wallet that allows individuals to securely buy, store, swap, and spend digital assets. Users can effortlessly manage multiple cryptocurrencies and make direct purchases from top brands using supported coins. For businesses, BitPay provides robust merchant tools to accept lightning-fast crypto payments with low transaction fees and automatic fiat settlement options. It bridges the gap between traditional finance and blockchain technology, making global transactions seamless for both consumers and enterprises.

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.

PayPal

PayPal is an online payment system that enables individuals and businesses to send and receive payments online. It provides a secure and convenient way to make transactions, with features such as payment processing, invoicing, and account management.

Hyperswitch

Hyperswitch is an open-source, PCI-compliant payments platform that enables connectivity to multiple payment, payout, fraud, vault, and tokenization providers. It uplifts authorization with intelligent routing and revenue recovery, reducing payment processing costs with cost observability and payment ops with reconciliation.

btcpayserver

BTCPay Server is a free, open‑source payment processor that lets merchants accept Bitcoin and other cryptocurrencies without third‑party fees. It runs on your own server, giving you full control over funds and data. Designed for e‑commerce businesses, BTCPay Server integrates with popular shopping platforms and wallets, providing a secure, privacy‑focused checkout experience while eliminating payment‑gateway costs.

Saleor

Saleor is a modern, headless e‑commerce solution designed for developers who need flexibility and scalability. It leverages Django and GraphQL to provide a fast API‑first experience, allowing businesses to create custom storefronts and integrate with any front‑end technology. The platform is self‑hosted, free to use, and comes with out‑of‑the‑box integrations for popular payment providers like Stripe and PayPal. Its modular architecture makes it easy to extend and customize for a wide range of e‑commerce scenarios.