| Call Specific Fields | |||
| Field | Type | Summary | Req. |
| GetResearchItems.Version | integer | The API Schema Version you wish to send and recieve results in. | no |
| GetResearchItems.RequesterCredentials | Contains the authorization keys required for every call. | yes | |
| ...RequesterCredentials.Token | string | One of three required authorization keys that must be included with every call. | yes |
| ...RequesterCredentials.UserToken | string | One of three required authorization keys that must be included with every call. | yes |
| ...RequesterCredentials.DeveloperName | string | One of three required authorization keys that must be included with every call. | yes |
| GetResearchItems.SearchQuery | Contains all the parameters of the search | yes | |
| ...SearchQuery.Keywords | string | The keyword or keywords you are searching for. | yes |
| ...SearchQuery.Pricing | Defines start and end price filters for resulting auctions. | no | |
| ...Pricing.EndPriceFloor | float | The lowest closing price for items you want to research. | no |
| ...Pricing.EndPriceCeiling | float | The lowest closing price for items you want to research. | no |
| ...Pricing.StartPriceFloor | float | The lowest starting price for items you want to research. | no |
| ...Pricing.StartPriceCeiling | float | The highest starting price for items you want to research. | no |
| ...SearchQuery.CategoryLimit | This node contains CategoryIDs to be searched. | no | |
| ...CategoryLimit.CategoryID | integer | The category in which to search for results. | no |
| ...SearchQuery.Dates | Contains the date range for your search. | no | |
| ...Dates.StartDate | date | The first date in the range of dates that you are searching. | no |
| ...Dates.EndDate | date | The last date in the range of dates that you are searching. | no |
| ...Dates.DateRange | date range | Used to specific the number of days to search. | no |
| ...Dates.Date | date | A single date you wish to search. You may include multiple instances of this tag. | no |
| ...SearchQuery.Hours | Filters the search to only those listings that closed during certain hours of the day. | no | |
| ...Hours.StartHour | integer | Forms the range of hours that will be included in the search. | no |
| ...Hours.EndHour | integer | Forms the range of hours that will be included in the search. | no |
| ...Hours.Hour | integer | A single hour that will be searched for in the result set. | no |
| ...SearchQuery.DurationFilter | integer | Filters the results based on the duration of the auction. | no |
| ...SearchQuery.ListingFilters | This node contains filters for the search based on various listing promotions. | no | |
| ...ListingFilters.BuyItNow | boolean | Return only listings that used the Buy It Now feature. | no |
| ...ListingFilters.Successful | boolean | Return only listings that were successful. | no |
| ...ListingFilters.Bold | boolean | Return only listings that used the Bold feature. | no |
| ...ListingFilters.FrontPageFeatured | boolean | Return only listings that used the Front-Page Featured feature. | no |
| ...ListingFilters.CategoryFeatured | boolean | Return only listings that used the Category Featured feature. | no |
| ...ListingFilters.GiftIcon | boolean | Return only listings that used the Gift Icon feature. | no |
| ...ListingFilters.Gallery | boolean | Return only listings that used the Gallery feature. | no |
| ...ListingFilters.GalleryFeatured | boolean | Return only listings that used the Gallery Featured feature. | no |
| ...ListingFilters.PictureServices | boolean | Return only listings that used the Picture Services feature. | no |
| ...ListingFilters.Reserve | boolean | Return only listings that used the Reserve Price feature. | no |
| ...ListingFilters.Highlight | boolean | Return only listings that used the Highlight feature. | no |
| ...ListingFilters.Scheduled | boolean | Return only listings that used the Scheduled Auction feature. | no |
| ...ListingFilters.MultiListed | boolean | Return listings that used the Multiple Category feature. | no |
| ...ListingFilters.Subtitle | boolean | Return only listings that used the Subtitle feature. | no |
| ...SearchQuery.ListingTypes | Contains filters for the various types of listings. | no | |
| ...ListingTypes.Chinese | boolean | Auctions listed with the Chinese (regular bid) type will be returned. | no |
| ...ListingTypes.Dutch | boolean | Auctions listed with the Dutch (multiple item) type will be returned. | no |
| ...ListingTypes.Live | boolean | Live auctions will be returned. | no |
| ...ListingTypes.Store | boolean | Auctions listed in eBay stores will be returned. | no |
| ...ListingTypes.PersonalOffer | boolean | Auctions sold via a Personal Offer will be returned. | no |
| ...ListingTypes.FixedPrice | boolean | Auctions listed as a Pure Fixed Price auction will be returned. | no |
| ...SearchQuery.SiteID | integer | eBay Site ID to search, assuming you have access. | no |
| ...SearchQuery.Currency | string | Currency to return results in. | no |
| ...SearchQuery.Page | Allows you to sort and paginate results | no | |
| ...Page.Order | string | Determines the sorted order of the listings | no |
| ...Page.OrderDir | string | Determines the direction of the sort | no |
| ...Page.Limit | integer | Determines the number of listings returned | no |
| ...Page.Offset | integer | Determines the offset that the returned listings start at | no |