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+---
+layout: page
+title: Add Video Support to an Existing Bidder Adaptor
+description: Documentation on how to add video support to an existing bidder adaptor
+pid: 27
+top_nav_section: dev_docs
+nav_section: adaptors
+---
+
+
+
+# Add Video Support to an Existing Bidder Adaptor
+{:.no_toc}
+
+This page has instructions for updating your existing bidder adaptor with support for video bidding.
+
+When in doubt, use an adaptor that already has support for video for reference, such as [the AppNexus AST adaptor in the Github repo](https://github.com/prebid/Prebid.js/blob/master/src/adapters/appnexusAst.js). (The code samples and descriptions below are based on it.)
+
+* TOC
+{:toc}
+
+## Step 1. Update your bid params
+
+In order to make sure your adaptor supports video, you'll need to:
+
+1. Add a `video` object to your adapter's bid parameters like the one in the [AppNexus AST adapter]({{site.github.url}}/dev-docs/bidders.html#appnexusAst). To see an example showing how those video params are processed and added to the ad tag, see [the AST adapter's implementation of the `callBids` function](https://github.com/prebid/Prebid.js/blob/master/src/adapters/appnexusAst.js).
+
+2. Your bidder will have to support returning a VAST URL somewhere in its bid response. Each new bidder adaptor added to Prebid.js will have to support its own video URL. For more information, see the implementation of [pbjs.buildMasterVideoTagFromAdserverTag](https://github.com/prebid/Prebid.js/blob/master/src/prebid.js#L656).
+
+## Step 2. Add video information to the bid response
+
+Once you've created the bid response, assuming it's valid, you must add more video-specific information:
+
++ Player width
++ Player height
++ VAST URL
+
+Note that you'll have to modify the example code below to match the parameters returned by your bidder. We've also omitted a lot of error-checking. You can refer to the [AppNexus AST adapter implementation](https://github.com/prebid/Prebid.js/blob/master/src/adapters/appnexusAst.js#L228) for details.
+
+{% highlight js %}
+var baseAdapter = require('baseAdapter.js');
+
+// Pull the ad object out of your bidder's response.
+var ad = getRtbBid(tag);
+
+// The bid request needs a code to identify the bidder.
+bidResponse.bidderCode = 'yourBidder';
+
+// What is the bid price?
+bidResponse.cpm = ad.cpm;
+
+// Video-specific information: player width and height, and VAST URL.
+bidResponse.width = ad.rtb.video.player_width;
+bidResponse.height = ad.rtb.video.player_height;
+bidResponse.vastUrl = ad.rtb.video.asset_url;
+{% endhighlight %}
+
+
+
+## Step 3. Update `adapters.json`
+
+Finally, add `"video"` to the array of media types your adapter supports.
+
+```javascript
+{
+ "yourBidder": {
+ "supportedMediaTypes": ["video"]
+ }
+}
+```
+
+## Related Topics
+
++ [How to Add a New Video Bidder Adaptor]({{site.github.url}}/dev-docs/how-to-add-a-new-video-bidder-adaptor.html)
+
+
diff --git a/dev-docs/integrate-with-the-prebid-analytics-api.md b/dev-docs/integrate-with-the-prebid-analytics-api.md
index 2b8421415b..34ef687bde 100644
--- a/dev-docs/integrate-with-the-prebid-analytics-api.md
+++ b/dev-docs/integrate-with-the-prebid-analytics-api.md
@@ -2,7 +2,7 @@
layout: page
title: Integrate with the Prebid Analytics API
description: Integrate with the Prebid Analytics API
-pid: 27
+pid: 28
top_nav_section: dev_docs
nav_section: adaptors