Image Request§4.4 · Bid Request
The Image object to be used for all image elements of the Native ad such as Icons, Main Image, etc. Recommended sizes and aspect ratios are included in the Image Asset Types section.
| Attribute | Type | Requirement | Default | Description |
|---|---|---|---|---|
| type | integer | optional | — | Type ID of the image element supported by the publisher. The publisher can display this information in an appropriate format. See Table Image Asset Types.value table §7.5 Image Asset Types |
| w | integer | optional | — | Width of the image in pixels. |
| wmin | integer | recommended | — | The minimum requested width of the image in pixels. This option should be used for any rescaling of images by the client. Either w or wmin should be transmitted. If only w is included, it should be considered an exact requirement. |
| h | integer | optional | — | Height of the image in pixels. |
| hmin | integer | recommended | — | The minimum requested height of the image in pixels. This option should be used for any rescaling of images by the client. Either h or hmin should be transmitted. If only h is included, it should be considered an exact requirement. |
| mimes | string[] | optional | All types allowed | Whitelist of content MIME types supported. Popular MIME types include, but are not limited to “image/jpg” and “image/gif”. Each Exchange should have their own list of supported types in the integration docs. If blank, assume all types are allowed. |
| ext | object | optional | — | This object is a placeholder that may contain custom JSON agreed to by the parties to support flexibility beyond the standard defined in this specification. |
Content faithfully follows the IAB Tech Lab OpenRTB Native Ads 1.2 official spec (CC-BY 3.0).