| api_key | string | API Key. |  | 
| address | string | Address. The full address of the property, in the format of Street, City, State, Zip. Used to retrieve data for a specific property, or together with the radius parameter to search for listings in a specific area |  | 
| city | string | City. The name of the city, used to search for listings in a specific city. This parameter is case-sensitive |  | 
| state | string | State. The 2-character state abbreviation, used to search for listings in a specific state. This parameter is case-sensitive |  | 
| zipcode | string | Zip Code. The 5-digit zip code, used to search for listings in a specific zip code |  | 
| latitude | string | Latitude. The latitude of the search area. Use the latitude/longitude and radius parameters to search for listings in a specific area |  | 
| longitude | string | Longitude. The longitude of the search area. Use the latitude/longitude and radius parameters to search for listings in a specific area |  | 
| radius | string | Radius. The radius of the search area in miles, with a maximum of 100. Use in combination with the latitude/longitude or address parameters to search for listings in a specific area |  | 
| property_type | string | Property Type. The type of the property, used to search for listings matching this criteria : Single Family , Condo , Townhouse , Manufactured ,  Multi-Family , Apartment , Land , |  | 
| bedrooms | number | Bedrooms. The number of bedrooms, used to search for listings matching this criteria. Use 0 to indicate a studio layout |  | 
| bath_rooms | integer | Bath Rooms. The number of bathrooms, used to search for listings matching this criteria. Supports fractions to indicate partial bathrooms |  | 
| status | string | Status. The current listing status, used to search for listings matching this criteria : Active or Inactive |  | 
| days_old | string | Days Old. The maximum number of days since a property was listed on the market, with a minimum of 1 or The maximum number of days since a property was last sold, with a minimum of 1. Used to search for properties that were sold within the specified date range |  | 
| data_type_ | string | Data Type . The type of aggregate market data to return. Defaults to "All" if not provided : All , Sale , Rental |  | 
| history_range | string | History Range. The time range for historical record entries, in months. Defaults to 12 if not provided |  |