> For the complete documentation index, see [llms.txt](https://docs.blueseasx.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.blueseasx.com/server-bidding/server-integration/bidrequest-object/imp-object/native-object.md).

# Native Object

<table data-header-hidden><thead><tr><th width="147.97265625"></th><th width="130.33984375"></th><th></th><th></th></tr></thead><tbody><tr><td><strong>Attribute</strong></td><td><strong>Type</strong></td><td><strong>Description</strong></td><td><strong>Required</strong></td></tr><tr><td>ver</td><td>string</td><td>Version of the Native Ad Specification to which the request complies; set to 1.2.</td><td>yes</td></tr><tr><td>request</td><td>string</td><td>Request payload complying with the Native Ad Specification. Note that this is a string.</td><td>yes</td></tr><tr><td>api</td><td>integer array</td><td>List of supported API frameworks for this impression. See OpenRTB Spec 2.5 <a href="https://www.iab.com/wp-content/uploads/2016/03/OpenRTB-API-Specification-Version-2-5-FINAL.pdf#%5B%7B%22num%22%3A143%2C%22gen%22%3A0%7D%2C%7B%22name%22%3A%22XYZ%22%7D%2C69%2C550%2C0%5D">Table 5.6</a> for details. If an API is not explicitly listed, it is assumed not to be supported.</td><td>no</td></tr></tbody></table>