layout: bidder

title: AppNexus AST

description: Prebid AppNexus AST Bidder Adaptor

top_nav_section: dev_docs

nav_section: reference

hide: true

biddercode: appnexusAst

biddercode_longer_than_12: false

{: .table .table-bordered .table-striped }

| Name | Scope | Description | Example |

|---------------------+----------+---------------------------------------------------------------------------------------------------------------------------+-------------------------------------------------------|

| `placementId` | required | The placement ID from AppNexus. You may identify a placement using the `invCode` and `member` instead of a placement ID. | `"234234"` |

| `allowSmallerSizes` | optional | If `true`, ads smaller than the values in your ad unit's `sizes` array will be allowed to serve. Defaults to `false`. | `true` |

| `keywords` | optional | A set of key-value pairs applied to all ad slots on the page. Mapped to query string segments for buy-side targeting. | `keywords: { genre: ['rock', 'pop'] }` |

| `video` | optional | Video targeting parameters. See the [video section below](#appnexus-ast-video) for details. | `video: { playback_method: ['auto_play_sound_off'] }` |

| `invCode` | optional | The inventory code from AppNexus. Must be used with `member`. | `"abc123"` |

| `member` | optional | The member ID from AppNexus. Must be used with `invCode`. | `"12345"` |

(Sizes set in `adUnit` object will also apply to the AppNexus bid requests.)

<a name="appnexus-ast-video"></a>

The following video parameters are supported. For more information, see the video parameters in the [OpenRTB specification](http://www.iab.com/wp-content/uploads/2016/01/OpenRTB-API-Specification-Version-2-4-DRAFT.pdf).

* `id`: An *Integer*.

+ `mimes`: An array of strings listing the content MIME types supported, e.g., `["video/x-flv", "video/x-ms-wmv"]`.

+ `minduration`: An integer that defines the minimum audio ad duration, in seconds.

+ `maxduration`: An integer that defines the maximum audio ad duration, in seconds.

+ `startdelay`: An integer that determines whether the ad should be shown before, during, or after the video content. If the value is greater than 0, the position is mid-roll and the value indicates the start delay, in seconds. Defaults to 0.

+ Pre-roll: `0`

+ Mid-roll: `-1`

+ Post-roll: `-2`

+ `skippable`: A boolean which, if `true`, means the user can click a button to skip the video ad. Defaults to `false`.

+ `playback_method`: An array of strings listing the playback methods supported by the publisher. Allowed values:

+ `"auto_play_sound_on"`

+ `"auto_play_sound_off"`

+ `"click_to_play"`

+ `"mouseover"`

+ `"auto_play_sound_unknown"`

+ `frameworks`: An array of integers listing the API frameworks supported by the publisher. Allowed values:

+ None: `0`

+ VPAID 1.0: `1`

+ VPAID 2.0: `2`

+ MRAID 1.0: `3`

+ ORMMA: `4`

+ MRAID 2.0: `5`