eBay

eBay RESTful APIs provide comprehensive marketplace integration with OAuth 2.0 authentication supporting both client credentials and authorization code flows.

The API suite covers Buy (Browse, Feed, Marketing, Offer, Order), Sell (Account, Inventory, Fulfillment, Finance, Marketing, Listing), and Commerce (Catalog, Identity, Taxonomy, Translation) extensively with 250+ endpoints.

Granular OAuth scopes control access to methods and resources with tokens valid for 18 months. OpenAPI/Swagger specs available with API Explorer for testing. Sandbox environment mirrors production without affecting live data. JSON-based responses with comprehensive error handling. Community SDKs available for multiple languages.

Ideal for marketplace sellers, buyers, partners building custom storefronts, inventory management, order fulfillment, and analytics tools with extensive documentation.