If you are unfamiliar with REST, JSON, OAuth 2.0, or OData 4.0 we suggest reviewing the following articles.

• REST
• JSON
• OAuth 2.0
  
• OData 4.0

ChannelAdvisor's REST API Specifics

REST API Version 1 Metadata

Anatomy of a Request

Getting and Filtering Data

HTTP Status Codes

REST API Request Limits

REST API vs SOAP API (Benefits & Drawbacks)

Unique Identifier Data