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Open RTB Bid Response Specifications 2.4

The response for a bid request will have the following structure:

Bid Response Object

AttributeRequired?Description
idYesID of the bid request (string)
seatbidYesCollection of bids made by the bidder on behalf of a specific seat.

seatbid

AttributeRequired?Description
bidYesID of the impression object to which this bid applies (string)

seatbid.bid

AttributeRequired?Description
idYesID for the bid object chosen by the bidder (string)
impidYesID of the impression object to which this bid applies (string)
priceYesBid price in CPM or CPC (float)
admYesParadox XML/JSON Ad Markup (string)
nurlYes*Win notification URL, it is recommended to use HTTP over HTTPS for nurl (string)
cidNoCampaign ID to assist with ad quality checking (string)
cridNoCreative ID to assist with ad quality checking (string)
extNoParadox specific extension (object)

Note: The nURL must be notified in order to ensure campaign capping and avoid getting the same response every time.


seatbid.bid.ext

AttributeRequired?Description
btypeRecommendedPricing Model. Values: 1 = CPM, 2 = CPC. Default = 1 (int). Note: When response is for an Email Clicks zone request, 1 = Smart CPC.

Note: Only Push Notification and Native ad formats may bid with the CPC pricing model.


JSON Examples

Banner / iFrame / Popunder / In-Stream / Push Notifications: JSON

{
    "id": "d4b5c697-41f3-4c1c-a3d5-5fd01b5ef2aa",
    "seatbid": [{
        "bid": [{
            "id": "12ab3d",
            "impid": "974090632",
            "price": 0.55,
            "adm": "<PARADOX_XML_OR_JSON_AD_MARKUP>",
            "nurl": "http://network-domain.com/win-notification",
            "cid" : "123456",
            "crid" : "22334455",
            "ext": {
                "btype": 1
            }
        }]
    }]
}

Direct Links: JSON

{
    "id": "d4b5c697-41f3-4c1c-a3d5-5fd01b5ef2aa",
    "seatbid": [
        {
            "bid": [
                {
                    "id": "9093b7bc2715a39446fe380ecb63a45a96485cd8",
                    "impid": "974090632",
                    "price": 0.07,
                    "adm": "<PARADOX_XML_AD_MARKUP>",
                    "ext": {
                        "btype": 2
                    },
                    "nurl": "https://mysite.com/my_notification_url",
                    "cid" : "123456",
                    "crid" : "22334455"
                }
            ]
        }
    ]
}

Email Clicks: JSON

{
    "id": "d4b5c697-41f3-4c1c-a3d5-5fd01b5ef2aa",
    "seatbid": [
        {
            "bid": [
                {
                    "id": "9093b7bc2715a39446fe380ecb63a45a96485cd8",
                    "impid": "974090632",
                    "price": 0.07,
                    "adm": "<PARADOX_XML_AD_MARKUP>",
                    "ext": {
                        "btype": 2
                    },
                    "nurl": "https://mysite.com/my_notification_url",
                    "cid" : "123456",
                    "crid" : "22334455"
                }
            ]
        }
    ]
}

In-Stream Video, Outstream Video, Video Slider

{
    "id": "d4b5c697-41f3-4c1c-a3d5-5fd01b5ef2aa",
    "seatbid": [
        {
            "bid": [
                {
                    "id": "7717e2c2a243da65144d9c0abe8b46bb775c587f",
                    "impid": "974090632",
                    "price": 0.008488200000000001,
                    "adm": "<PARADOX_XML_AD_MARKUP>",
                    "nurl": "http://mysite.com/my_notification_url?zid=4286963&data=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",
                    "cid" : "123456",
                    "crid" : "22334455"
                }
            ]
        }
    ]
}

Native: JSON

{
  "id": "7a452540-c8c9-43ca-9d30-ab9d8bfd17a4", 
  "seatbid": 
  [
    {
      "bid": 
      [
        {
          "id": "4fab7972833e2aaf53a828b1408fc104293734e3", 
          "impid": "2d099176-9feb-44e9-85f9-f385b34123a1", 
          "price":0.0025,                                 
          "adm": "<PARADOX_JSON_AD_MARKUP>", 
          "ext": { "btype": 1 }, 
          "nurl": "https://mysite.com/my_notification_url",
          "cid" : "123456",
          "crid" : "22334455"
        }
      ]
    }
  ]
}

ADM Examples

Banner: XML

<?xml version="1.0" encoding="ISO-8859-1"?>
<ad>
    <imageAd>
        <clickUrl><![CDATA[http://mysite.com/landingpages/mypage]]></clickUrl>
        <imgUrl><![CDATA[http://mysite.com/images/myad.jpg]]></imgUrl>
    </imageAd>
</ad>

Direct Links: XML

<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>
<ad>
    <emailClick>
        <url><![CDATA[https://mysite.com/landingpages?el={email_encoded}]]></url>
    </emailClick>
</ad>

Email Clicks: XML

<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>
<ad>
    <emailClick>
        <url><![CDATA[https://mysite.com/landingpages?el={email_encoded}]]></url>
    </emailClick>
</ad>

In-Stream Video, Outstream Video, Video Slider: XML


Note: See VAST Tag related documentation.


<?xml version="1.0" encoding="UTF-8"?>
<VAST version="3.0">
    <Ad id="4440141">
        <InLine>
            <AdSystem>mysite.com</AdSystem>
            <AdTitle/>
            <Impression id="exotr">
                <![CDATA[http://syndication.mysite.com/vregister.php?a=vimp&tracking_event=impression&idzone=4286963&2027add921916df3805db53a7c6af183=tsVuZ8uHLjt4ddvLjq4d_XDz65dddlTlK8E.etqayWunDNRRTXA3GxK9Yw85nw11QVuLvzVVysSOZyzSsSObmppNcDbDdrlNcFTlOfDXA3PYzHBU.5Tnw1wN1QVuZ8NcDeM0rmfDXA20xW49NThnw1wNtMSTsQPS58NcDdrFMDFcE0ufDXA3NVnw1wNs0zXVOU58NcDbblsDTmfDXA20xTTA5Tnw1wNwVT58NdVjOfDXaxHY5nw1z2MxwVPuUr0sVuZ8Nc9jMcFT7lK7VlNLkrWGaJ4GtpiSdiB6VdqymlyVrDNE8DW5e0.xK84vXMvPYzHBU.5Tnx1uXtPsSvOL1zLyuV3TUxZ8dbDa9eE7mfDW7NTIxXnrgblcrumpiz462prJa6cF5qYHoJWI81FFNb9dc6967s1NzFLbja7s1OeuBuemZuxqtdpitx6anDPhrnpgagleXkmbcjz4a36656s.GupqlxyVelyqaOyuCaXPXZU5SvA3nw12UxrvsVP564JJ6XKqoJpV6q2K7Ks.GuCSelyqqCaVeCW1iOBtelxiqaXPhrpcdcpcpXqgrcXfmqrlYkcz1sNsxzNRZ8NcDczrrlOfDXA3GxK3BK8vOw85nw1uXuNWVwTSr1wSOZ64G22K2GnJa3Kc.GuBtpimmByleqaylpzPhrlmqapgnrz4a4JWpnpYK5l5Jm3M.GutyqteSZtzPhrpcegmlXecmlYkcXgbz4a56Zr8F6q2K7Ks9vHXA3OxTXK5Tnw1tQV4LvOTSsSOLwN58NcrlbDVkFeC89M1.C9eE7meuVythqyCvBeema_BdtypqmCeuCaXPWw2zHM1Eva5TnrgknpcqqgmlXYjjXgltYjgbXpcYqmlqz4a6rGeWfDXVYzzz4a6mqYJ6168J3M9dTVME9a8rEjmeupqmCete1ynPWzTNdU5Sva5Tnw12058NcEtblMrEefDXZU5Su0xPPBK9nw12VOUrtMTzwSvLu0uUWOStYZ8NdtlkDefHty49fPXn269uXnl08c.vTtwY7.ejnXl5Y5cNdcEjlVbEk.fHty49fPXn2662ppooHGppanJa8.M]]>
            </Impression>
            <Error>
                <![CDATA[http://syndication.mysite.com/vregister.php?a=vview&errorcode=[ERRORCODE]&idzone=4286963&dg=4440141-53781245-2-0-0-InLine]]>
            </Error>
            <Creatives>
                <Creative sequence="1" id="53781245">
                    <Linear>
                        <Duration>00:00:14.40</Duration>
                        <TrackingEvents>
                            <Tracking id="prog_1" event="progress" offset="00:00:10.000">
                                <![CDATA[http://syndication.mysite.com/vregister.php?a=vview&tracking_event=progress&progress=00:00:10.000&idzone=4286963&2027add921916df3805db53a7c6af183=tsVuZ8uHLjt4ddvLjq4d_XDz65dddlTlK8E.etqayWunDNRRTXA3GxK9Yw85nw11QVuLvzVVysSOZyzSsSObmppNcDbDdrlNcFTlOfDXA3PYzHBU.5Tnw1wN1QVuZ8NcDeM0rmfDXA20xW49NThnw1wNtMSTsQPS58NcDdrFMDFcE0ufDXA3NVnw1wNs0zXVOU58NcDbblsDTmfDXA20xTTA5Tnw1wNwVT58NdVjOfDXaxHY5nw1z2MxwVPuUr0sVuZ8Nc9jMcFT7lK7VlNLkrWGaJ4GtpiSdiB6VdqymlyVrDNE8DW5e0.xK84vXMvPYzHBU.5Tnx1uXtPsSvOL1zLyuV3TUxZ8dbDa9eE7mfDW7NTIxXnrgblcrumpiz462prJa6cF5qYHoJWI81FFNb9dc6967s1NzFLbja7s1OeuBuemZuxqtdpitx6anDPhrnpgagleXkmbcjz4a36656s.GupqlxyVelyqaOyuCaXPXZU5SvA3nw12UxrvsVP564JJ6XKqoJpV6q2K7Ks.GuCSelyqqCaVeCW1iOBtelxiqaXPhrpcdcpcpXqgrcXfmqrlYkcz1sNsxzNRZ8NcDczrrlOfDXA3GxK3BK8vOw85nw12wNuTLuWuS1563KaZqWpm3M9cDbbFbDTktblOfDXA20xTTA5SvVNZS05nw1yzVNUwT158NcErUz0sFcy8kzbmfDXW5VWvJM25nw10uPQTSrvOTSsSOLwN58Nc9M1.C9VbFdlWe3jrgbnYprlcpz4a2oK8F3nJpWJHF4G8.GuVythqyCvBeema_BevCdzPXK5Ww1ZBXgvPTNfgu25U1TBPXBNLnrYbZjmaiXtcpz1wST0uVVQTSrsRxrwS2sRwNr0uMVTS1Z8NdVjPLPhrqsZ558NdTVME9a9eE7meupqmCeteViRzPXU1TBPWva5TnrZpmuqcpXtcpz4a7ac.GuCWtymViPPhrtssgbz49uXHr568.3Xt568effp579uDHfz0c68vHft111wSOVVsST58e3Lj189efbrrammigcamlqclrz4w]]>
                            </Tracking>
                        </TrackingEvents>
                        <VideoClicks>
                            <ClickThrough>
                                <![CDATA[https://syndication.mysite.com/click.php?data=H4sIAAAAAAAAA0VPOWrEQBD8ipJNhz7nCJ04ceA3jEcaVljHosNg04_3rByY6oKGKqq6RQRQ0NDux_HYb_xyo9c2X3lz_bAf45KPcV3cuU2urLMZEjW3J9Sk7NV.hm195O3zUhGckAOHphwikqgJRZ88myKatSIyVIMGe5aaBk1UmbnGFNmBsMbQ4imSoIJ_er1qLNLXD04ackqiUXzhUhgRayktB2wfj6Ff5zwu1yVwoZvG2p74nobufs7ruXV2mf9hjQx27fonSeP7m8WUGfoiFWqh7OsQasA4RCYMgDH9Aqi26WQ6AQAA]]>
                            </ClickThrough>
                        </VideoClicks>
                        <MediaFiles>
                            <MediaFile delivery="progressive" type="video/mp4">
                                <![CDATA[https://staticcdn.mysite.com/library/195600/5b7d9ad16e4b86ba8695f867e9a8464fc4444943.mp4]]>
                            </MediaFile>
                        </MediaFiles>
                        <Icons>
                            <Icon>
                                <IconClicks>
                                    <IconClickThrough>var.destination.url.com</IconClickThrough>
                                </IconClicks>
                            </Icon>
                        </Icons>
                    </Linear>
                </Creative>
            </Creatives>
            <Extensions>
                <Extension>
                    <TitleCTA>
                        <MobileText>View More</MobileText>
                        <PCText>View More</PCText>
                        <DisplayUrl><![CDATA[]]></DisplayUrl>
                        <Tracking><![CDATA[https://click.tracking.com/click.php?data=H4sIAAAAAAAAA0...-]]></Tracking>
                    </TitleCTA>
                </Extension>
            </Extensions>
        </InLine>
    </Ad>
</VAST>

Popunder: XML

<?xml version="1.0" encoding="ISO-8859-1"?>
<ad>
    <popunderAd>
        <url><![CDATA[http://mysite.com/landingpages/mypage]]></url>
    </popunderAd>
</ad>

Native Ads: JSON

For native ads the adm parameter should contain a JSON encoded string like this:

{
  "native": {
    "link": { "url": "https://mysite.com/landingpages/mypage" },
    "eventtrackers": [
      {
        "event": 1, 
        "method": 1, 
        "url": "https://myEventTracker1.com"
      }
    ],
    "assets": [
      { "id": 1, "title": { "text": "Ad Title" } },
      { "id": 2, "data": { "value": "Ad description" } },
      {
        "id": 3,
        "img": {
          "url": "https://mysite.com/images/myad.jpg",
          "w": 300,
          “h”: 300,
        }
      }
    ]
  }
}
         

Push Notification Ads: JSON

For Push Notification ads the adm parameter will contain a JSON encoded string like the following (note that we use the ‘native’ object to implement push notification ads). Width and height depend on the width and height coming from request. Currently supported dimensions are 192×192 and 720×480. One image asset per notification.

{\"native\":{\"link\":{\"url\":\"http:\/\/mysite.com\/landingpages\/mypage\"},\"assets\":[{\"id\":1,\"required\":1,\"img\":{\"url\":\"http:\/\/mysite.com\/images\/myad.jpg\",\"w\":720,\"h\":480}},{\"id\":2,\"title\":{\"text\":\"Ad Title\"}},{\"id\":3,\"data\":{\"type\":2,\"value\":\"Ad description\"}}]}}

Which is based on the following JSON object:

{
    "native": {
          "link": {
              "url": "http://mysite.com/landingpages/mypage"
          },
          "assets": [
              {
                  "id": 1,
                  "required": 1,
                  "img": {
                      "url": "http://mysite.com/images/myad.jpg",
                      "w": 720,
                      "h": 480
                  }
              },
              {
                  "id": 2,
                  "title": {
                      "text": "Ad Title"
                  }
              },
              {
                  "id": 3,
                  "data": {
                      "type": 2,
                      "value": "Ad description"
                  }
              }
          ]
    }
}

In-Page Push Notifications: JSON

{
    "id": "d4b5c697-41f3-4c1c-a3d5-5fd01b5ef2aa",
    "seatbid": [
        {
            "bid": [
                {
                    "id": "6c821461440c755b8a1c4f3efdbd7549c5513895",
                    "impid": "90180978",
                    "price": 0.0035000000000000005,
                    "adm": "{\"native\":{\"link\":{\"url\":\"http:\/\/mysite.com\/landingpages\/mypage\"},\"assets\":[{\"id\":1,\"required\":1,\"img\":{\"url\":\"http:\/\/mysite.com\/images\/myad.jpg\",\"w\":720,\"h\":480}},{\"id\":2,\"title\":{\"text\":\"Ad Title\"}},{\"id\":3,\"data\":{\"type\":2,\"value\":\"Ad description\"}}]}}",
                    "ext": {
                        "btype": 1
                    },
                    "nurl": "http://network-domain.com/win-notification",
                    "cid": "4607067",
                    "crid": "60958939"
                }
            ]
        }
    ]
}

No Bid Response

To answer a bid request without making an actual bid, an HTTP response code 204 “No Content” will be sent.  

Win Notification

When the parameter Bid Response Object -> Seat Bid Object -> Bid Object -> nurl is in the bid response, a GET request must be performed to such URL.

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