> ## Documentation Index
> Fetch the complete documentation index at: https://docs.lynxssp.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Sandbox Environment

The sandbox environment allows you to test API integrations without affecting production data. It mimics the production environment but uses separate data and endpoints.

## Sandbox Base URL

Please use this base URL for development: [https://sandbox-ad.playlog.io](https://sandbox-ad.playlog.io)

## Sandbox Key

* **Authentication:** Use `api_key: f9a3c4b7e2d84f85b3a2a1e3c9f071ac`
* **Venue ID:** Use `venue_id : venue1234`
* **Data:** Sandbox data is isolated and does not impact production.

### Example Request

```
POST /ad/request HTTP/1.1

Host: sandbox-ad.playlog.io

Lynx-Key: YOUR_API_KEY

Content-Type: application/json

{

 "venue_id": "any-venue-id"

 "screen_id": "any-screen-id",

 "play_time": 1682448000

}
```

### Example Response

```
{

   "status": 200,

   "data": {

       "vast_tag": "<VAST version='2.0'><Ad id='ngfrhfjof-1748356156557'><Wrapper><AdSystem version='1.0'>Lynx AdSystem</AdSystem><VASTAdTagURI><![CDATA[https://sandbox-ad.playlog.io/api/v1/ad/vast/ngfrhfjof-1748356156557]]></VASTAdTagURI><Impression><![CDATA[https://sandbox-ad.playlog.io/api/v1/ad/callback/?ad_request_uuid=ngfrhfjof-1748356156557]]></Impression><Creatives><Creative><Linear><TrackingEvents><Tracking event='start'><![CDATA[https://sandbox-ad.playlog.io/api/v1/ad/tracking/video/?ad_request_uuid=ngfrhfjof-1748356156557&event=start]]></Tracking><Tracking event='firstQuartile'><![CDATA[https://sandbox-ad.playlog.io/api/v1/ad/tracking/video/?ad_request_uuid=ngfrhfjof-1748356156557&event=firstQuartile]]></Tracking><Tracking event='midpoint'><![CDATA[https://sandbox-ad.playlog.io/api/v1/ad/tracking/video/?ad_request_uuid=ngfrhfjof-1748356156557&event=midpoint]]></Tracking><Tracking event='thirdQuartile'><![CDATA[https://sandbox-ad.playlog.io/api/v1/ad/tracking/video/?ad_request_uuid=ngfrhfjof-1748356156557&event=thirdQuartile]]></Tracking><Tracking event='complete'><![CDATA[https://sandbox-ad.playlog.io/api/v1/ad/tracking/video/?ad_request_uuid=ngfrhfjof-1748356156557&event=complete]]></Tracking></TrackingEvents></Linear></Creative></Creatives></Wrapper></Ad><Extension type='custom-meta'><venue_id><![CDATA[venue1234]]></venue_id><screen_id><![CDATA[Test12345]]></screen_id></Extension></VAST>",

       "ad_request_uuid": "ngfrhfjof-1748356156557",

       "ad_request_expired_at": 1748477576,

       "venue_id": "venue1234",

       "screen_id": "Test12345"

   }

}
```