API Documentation

Download reference and implementation information for Yahoo! Merchant Solutions APIs.

Order and Payment APIs

• Getting Started and Reference Manual (PDF format) (updated April 25, 2012)
• Order API XSD (updated for April 25, 2012 changes on April 24, 2012)
• Payment API XSD (Bulk)
• Payment API XSD (Non-Bulk)

Checkout APIs

• Getting Started and Reference Manual (PDF format) (updated May 11, 2012)
• Checkout API XSD (updated for April 25, 2012 changes on April 24, 2012)

Catalog API (Beta)

• Getting Started and Reference Manual (PDF format) (updated October 18, 2011)
• Catalog API XSD