Native

Attribute	Type	Description	Example
request	string	Request payload complying with the Native Ad Specification.	"89oghjnr"
ver	string	Version of the Native Ad Specification to which request complies; highly recommended for efficient parsing.	"1.0"
api	integer array	List of supported API frameworks for this impression. If an API is not explicitly listed, it is assumed not to be supported.	[1]
battr	integer array	Blocked creative attributes.	[5,3]