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Format§3.2.10 · Bid Request

This object represents an allowed size (i.e., height and width combination) or Flex Ad parameters for a banner impression. These are typically used in an array where multiple sizes are permitted. It is recommended that either the w/h pair or the wratio/hratio/wmin set (i.e., for Flex Ads) be specified.

AttributeTypeDescription
w
integerWidth in device independent pixels (DIPS).
h
integerHeight in device independent pixels (DIPS).
wratio
integerRelative width when expressing size as a ratio.
hratio
integerRelative height when expressing size as a ratio.
wmin
integerThe minimum width in device independent pixels (DIPS) at which the ad will be displayed the size is expressed as a ratio.
ext
objectPlaceholder for exchange-specific extensions to OpenRTB.

Field descriptions reconciled against the official 2.6 draft; 2.5-specific fields come from a third-party Go implementation source (Apache 2.0), proofread against the official PDF · first-draft proofreading