PayPal API

The global standard for integrating secure payments, subscription billing, and multi-party payouts via RESTful endpoints.

PayPal's API suite provides developers with direct access to a financial network spanning 200+ markets and 100+ currencies. By utilizing the REST API and JavaScript SDK, teams can implement the Complete Payments solution to handle credit cards, digital wallets, and local payment methods through a single integration. The platform supports complex logic like asynchronous webhooks for order tracking, Vaulting for PCI-compliant card storage, and the Payouts API for sending funds to 500 recipients simultaneously. It is a battle-tested infrastructure designed to scale from simple checkout buttons to enterprise-grade marketplace ecosystems.

https://developer.paypal.com/docs/api/overview/