The GetPriceResearch API is a free* call that quickly returns basic pricing statistics based on a keyword search. This call has REST support. * See Dataunison website for details.
The GetResearchItems API call can be used to retrieve the raw items associated with a normal API search. It will return up to 200 items at a time, and can be provided with an offset to return entire result sets with multiple calls. This call is currently not available to Sandbox users
The GetResearchResults API call is used to retrieve basic pre-calculated statistics for a specific set of keywords, along with other filters. This call has REST support.
The GetSellerResearchResults API call can be used to retrieve research statistics about a specific user, or without a specific user, on eBay. It takes in eBay seller IDs as well as all the other filters found in the GetResearchResults call, and returns the same results as that call.
API Call Reference
