WooCommerce

WooCommerce REST API is fully integrated with WordPress REST API v3, enabling complete e-commerce store management through HTTP requests. Consumer Key/Secret authentication via Basic Auth over HTTPS, with OAuth 1.0a support for non-SSL environments. The API covers products, orders, customers, coupons, shipping, taxes, payment gateways, refunds, reports, and webhooks extensively with 90+ endpoints.

Official SDKs available for PHP, JavaScript, and Node.js. Requires WordPress 4.4+ with WooCommerce 3.5+ and pretty permalinks enabled. JSON-based responses with pagination (default 10 items per page). Webhooks provide real-time event notifications.

Bulk operations supported for products, orders, customers, and coupons. It's ideal for headless commerce, mobile apps, third-party integrations, inventory management, and custom storefronts, offering comprehensive control over WordPress-based e-commerce with strong documentation and community support.