Place Order REST API Developer Guide
Requirements and Limitations
Authorization Through External Client Apps or Connected Apps and OAuth 2.0
Create Contract-based Orders
Contract-based Orders
Create Order
Order
Previous Versions
Each Salesforce Place Order REST API resource is a URI used with an HTTP method (such as GET).
Resources for the Salesforce Place Order REST API are:
/services/data/latest API version/commerce/sale
/services/data/latest API version/commerce/sale/contract ID
/services/data/latest API version/commerce/sale/order
/services/data/latest API version/commerce/sale/order/order ID