Vungle Exchange OpenRTB 2.5 Integration Guide

Use this guide to participate in the Vungle Exchange using Vungle Exchange OpenRTB 2.5.

In response to iOS 14 privacy changes, we support SKAdNetwork attribution starting with Liftoff Monetize SDK v.6.8. This guide now includes guidelines for DSPs to work with SKAdNetwork on Vungle Exchange.

If a DSP wishes to use our SKAdNetwork solution, after registering with Apple, they should provide Vungle Exchange with their SKAdNetwork ID.

1. Introduction

This article specifies the details for integrating with Vungle Exchange using IAB OpenRTB API Specification Version 2.5. To maintain some parity, we have organized our section numbering to correspond to the IAB OpenRTB spec as much as possible. Because all entities in this article are a subset of the IAB OpenRTB API Specification Version 2.5, there may be gaps in our section numbering where Vungle Exchange does not have a corresponding entity.

2. Request and Response

2.1 Entity

All entities in this section are a subset of the IAB OpenRTB API Specification Version 2.5; should there be missing fields or requirements, please default requirements to the spec itself.  

2.2 Versioning

Over time, some fields become obsolete, so, to ensure maximum compatibility, Vungle Exchange will respect all "deprecated" fields specified in the most recent Vungle OpenRTB spec. All "deprecated" fields are scheduled for removal at the next specification update, at which point Vungle Exchange is relieved of the responsibility to maintain deprecated fields.

All removed fields will still remain in the specification with a "deleted" label to indicate that the field is no longer supported. We use the "deleted" label to enforce a specification semantic: Every field, once defined, remains unique in the scope for which it was defined for the lifetime of the spec. This means that if the 'id' field ever becomes deprecated and then removed in a particular spec, it will never be resurrected in a future revision with a different meaning.

2.2.1 Semantic Versioning

Specification versioning will also follow Semver 2.0.0 guidelines, namely:

  • A major version update can break backward compatibility; for example, a field that is "deprecated" in version X is "removed" in version X+1.
  • A minor version update should not break backward compatibility; examples include a field that is in use being marked as "deprecated"; or a required field being marked as as non-required and deprecated.
  • A patch version update must not break backward compatibility; for example, correcting a typo in specification description.

2.3 Required and Optional Fields

Notes about the Required column in upcoming sections:

  • Yes: Downstream consumption of such a field can always expect a well-formatted, non-empty value based on the type specified.
  • No: Downstream consumption should not expect the existence of such field, or the validity of value. Consumer validation on the value is required, unnecessary for the type.
  • Default: All unmentioned fields in OpenRTB 2.5 default to not required.

2.4 Protocol Negotiation

Vungle Exchange supports communicating over HTTP/2 through protocol negotiation; otherwise, the default is HTTP/1.1.

3. Bid Request

3.1 Request Headers

Each bid request will have the following custom HTTP headers as specified by OpenRTB protocol:

X-OpenRTB-Version: 2.5

In addition to custom HTTP headers, Vungle Exchange also attaches the following standard headers:

Content-Type: application/json 
Accept: application/json 

Finally, Vungle Exchange attaches a custom header to indicate the Vungle OpenRTB spec revision:

X-Vungle-OpenRTB-Version: 2.5

3.2 Request Objects

3.2.1 BidRequest Object

Field Type Required Description
id string yes 

Bid request ID generated by Vungle Exchange; for example, '570b0eb14e67c98f761a0ca0'.

imp

object array

yes  See the Impression object.
app object yes See the App object.
device object yes See the Device object.
at integer yes

Type of auction; for example, '2' for second-price auction. Always send '1'; Vungle Exchange runs first-price auctions.

tmax integer yes

Maximum time in milliseconds to submit a complete bid response; this value is always '250'.

cur string array no 

List of allowed currencies for the auction in ISO-4217-alpha; for example, ["USD", "CNY", "EUR"]. We currently only support "USD".

bcat string array no Refer to IAB OpenRTB API Specification Version 2.5, List 5.1 "Content Categories."
regs object no Refer to IAB OpenRTB API Specification Version 2.5, Section 3.2.3 "Regs."
test integer no

Whether the auction is in test mode (1), or live mode (0); test auctions are not billable.

source object  yes 

Refer to IAB OpenRTB SupplyChain object implementation guide.

3.2.2.1 Source.ext.schain Object

Field Type Required Description
complete integer no Flag indicating whether the chain contains all nodes involved in the transaction leading back to the owner of the site, app, or other medium of the inventory, where '0' = no, '1' = yes.
nodes object array no Array of SupplyChainNode objects in the order of the chain. In a complete supply chain, the first node represents the initial advertising system and seller ID involved in the transaction; i.e., the owner of the site, app, or other medium. In an incomplete supply chain, it represents the first known node. The last node represents the entity sending this bid request.
ver String no Version of the supply chain specification in use, in the format of “major.minor”. For example, for version 1.0 of the spec, use the string "1.0".

3.2.2 Source.ext.schain.nodes Object

Field Type Required Description
asi String no  The canonical domain name of the SSP, Exchange, Header Wrapper, etc. system to which bidders connect (that is, the domain name of the SSP or exchange facilitating the sale of the impression.) This should be the same value as used to identify sellers in an ads.txt file, if one exists.
sid String no The identifier associated with the seller or reseller account within the advertising system. This must contain the same value used in transactions (i.e., OpenRTB bid requests) in the field specified by the SSP/exchange. Typically, in OpenRTB, this is publisher.id. For OpenDirect, it is typically the publisher’s organization ID. Should be limited to 64 characters in length.
rid String no The OpenRTB RequestId of the request as issued by this seller.
hp integer no Indicates whether this node will be involved in the flow of payment for the inventory. When set to '1', the advertising system in the asi field pays the seller in the sid field, who is responsible for paying the previous node in the chain. When set to '0', this node is not involved in the flow of payment for the inventory. For version 1.0 of SupplyChain, this property should always be '1'.

3.2.3 Regs Object

Field Type Required Description
coppa integer no Flag indicating whether this request is subject to the COPPA regulations established by the USA FTC, where 0 = no and 1 = yes.
ext object no Placeholder for Vungle Exchange-specific extensions to OpenRTB. See Regs Extension.

3.2.3.1 Regs Extension

Field Type Required Description
gdpr integer no

Flag indicating if this request is subject to the GDPR regulations.

0 = no

1 = yes

us_privacy string no

Follow the IAB US Privacy string format.

3.2.4 Imp Object

Field Type Required Description
id string yes  Impression ID generated by Vungle Exchange; for example, '3a06eb14e67c98f761add01'.
displaymanager string yes Supply-side display manager; Vungle uses this field to specify the SDK technology used, because we distinguish between SDK mobile platforms; for example, 'Vungle' for iOS, 'VungleDroid' for Android, and 'VungleWindows' for Windows, followed by the SDK version in the next field.
displaymanagerver string yes Supply-side display manager version; Vungle uses this to specify the SDK version; for example, '3.3.1'.
bidfloor float yes Minimum bid price for a bid to be eligible; for example, '8.72'.
bidfloorcur string yes Currencies for the impression in ISO-4217-alpha; for example, 'USD'.
banner object no  See the Banner object.
video object no  See the Video object.
native object no  See the Native object.
tagid string no Placement reference ID corresponding to the given impression; for example,, 'placement_name_1af44fda'.
instl integer no Whether the impression represents full screen/interstitial (1), or not (0).
secure integer no

Flag to indicate if the impression requires secure HTTPS URL creative assets and markup, where 0 = non-secure and 1 = secure.

Vungle always requires secure (1) assets and markup.

ext object no  

3.2.4.1 Imp Extension

Field Type Required Description
metric.type string no Denotes app is enabled for viewability.
metric.vendor string no

Denotes viewability vendor. Vungle currently is integrated with Moat.

skadn object no

Support for Apple's SKAdNetwork.

deeplink Boolean no

Indicates whether deep linking is supported for this impression.
‘1’ = deep linking is supported
‘0’ = deep linking is not supported

Refer to our Deep Linking article for details.

3.2.4.1.1 imp.ext.skadn

Field Type Required Description
version string yes Version of SKAdNetwork supported.Always "2.0" or higher. Dependent on both the OS version and the SDK version.
versions string array yes

Array of strings containing the supported SKAdNetwork versions. Always "2.0"or higher. Dependent on both the OS version and the SDK version.

sourceapp string yes

ID of Publisher App in Apple’s App Store. Matches app.bundle.

skadnetids string array yes

A subset of SKAdNetworkItem entries in the publisher app’s Info.plist that are relevant to the DSP. The value can be empty.

ext object no

Placeholder for exchange-specific extensions to OpenRTB.

3.2.6 Banner Object

Field Type Required Description
format object array no  Content MIME types supported. Vungle Exchange only supports ["video/mp4"].
w integer yes Width of the impression in pixels.
h integer yes Height of the impression in pixels.
battr integer array no  Refer to IAB OpenRTB API Specification Version 2.5, List 5.3 "Creative Attributes" for details.
pos integer no Refer to IAB OpenRTB API Specification Version 2.5, List 5.4 "Ad Position" for details.
api integer array no Refer to IAB OpenRTB API Specification Version 2.5, List 5.6 "API Frameworks" for details.

3.2.7 Video Object

Field Type Required Description
mimes string array yes  Content MIME types supported. Vungle Exchange only supports ["video/mp4"].
h integer yes Height of the video.
w integer yes Width of the video.
minduration integer no  Minimum number of seconds for which the video must play.
maxduration integer no Maximum number of seconds for which the video may play.
delivery integer array no Supported list of video delivery methods: (progressive or streaming). Refer to IAB OpenRTB API Specification Version 2.5, Section 5.15 "Content Delivery Methods."
minbitrate integer no Minimum bid rate in kbps. Vungle Exchange currently only supports 250.
maxbitrate integer no Maximum bid rate in kbps; for example, 500.
protocols integer array no Refer to IAB OpenRTB API Specification Version 2.5, List 5.8 "Protocols"; for example, [2, 5].
boxingallowed integer no Whether boxing the video is allowed (1) or not (0). The value for this is always '1'.
playbackmethod integer array no Refer to IAB OpenRTB API Specification Version 2.5, Section 5.10 "Playback Methods."
startdelay integer no Refer to IAB OpenRTB API Specification Version 2.5, Section 5.12 "Start Delay." The value for this is always '0'.

3.2.7.1 Video Extension

Field Type Required Description
skip boolean yes  Denotes skippable (1) or non-skippable (0) inventory.
videotype string yes Used to specify rewarded inventory. If not rewarded, we omit this field.
rewarded boolean yes Additional field to denote rewarded (1) or non-rewarded (0) inventory.

3.2.9 Native Object

Field Type Required Description
api integer no  List of supported API frameworks for this impression.
request string yes Request payload compliant with Native Ad specification (refer to Vungle OpenRTB 2.5 Native Ad Integration for variables, definitions, and extensions).
battr integer array yes Refer to IAB OpenRTB API Specification Version 2.5, List 5.3 "Creative Attributes" for details.

Refer to Vungle OpenRTB 2.5 Native Ad Integration for variables, definitions, and extensions.

3.2.11 PMP Object

Field Type Required Description
private_auction integer no  Indicator of auction eligibility to seats named in the Direct Deals object, where 0 = all bids are accepted, 1 = bids are restricted to the deals specified and the terms thereof.
deal object array no Array of Deal (Section 3.2.18) objects that convey the specific deals applicable to this impression.
ext object no Placeholder for Vungle Exchange-specific extensions to OpenRTB.

3.2.14 App Object

Field Type Required Description
id string yes  Exchange-specific ID. For Vungle, this is the app store ID; for example, '3709293'. The value is also synonymous with the app.id value from the SDK request.

This ID may mean nothing to the DSP, but may be used by the DSP to compare and reconcile reporting disputes.
bundle string yes The unique market ID, this is a platform-specific application identifier intended to be unique to the app and independent of Vungle Exchange.
- On Android, this should be a bundle or package name (for example, 'com.supercell.hayday').
- On iOS, it is a numeric ID.
publisher object yes See the Publisher object.
name string no Application name; for example, 'Hay Day'.
storeurl string no App store URL; for example, 'https://itunes.apple.com/us/app/hay-day/id506627515?mt=8#'.
cat string array no Refer to IAB OpenRTB API Specification Version 2.5, List 5.1 "Content Categories."
privacypolicy integer no Whether the application has a privacy policy (1), or not (0). Vungle Exchange only supports '1' for this field.
paid integer no Whether the application is paid (1), or not (0).
keywords string no Comma-separated list of tags for the publisher application.
ext object no  

3.2.15 Publisher Object

Field Type Required Description
id string yes  Publisher ID generated by Vungle Exchange, for example, '570ffeb14e67998f761a791c'.
name string no  Publisher name; for example, 'Supercell Oy'.
cat string array no Refer to IAB OpenRTB API Specification Version 2.5, List 5.1 "Content Categories."

3.2.18 Device Object

Field Type Required Description
ua string yes  Device browser user agent string; for example, 'Mozilla/5.0 (iPhone; CPU iPhone OS 9_1 like Mac OS X) AppleWebKit/601.1.46 (KHTML, like Gecko) Version/9.0 Mobile/13B143 Safari/601.1'.
ip string yes

Not required when ipv6 field is present. 

This is the IP address of the impression; for example, '212.14.27.104'.

ipv6 string yes

Not required when ip field is present. 

IPv6 address of the impression; for example, '3ffe:1900:4545:3:200:f8ff:fe21:67cf'.

h integer yes Device screen height in pixels.
w integer yes Device screen width in pixels.
connectiontype string yes Refer to IAB OpenRTB API Specification Version 2.5, List 5.22 "Connection Type."
ifa string no ID sanctioned for advertiser use in clear text; for example, 'e4fe9bdecaa047b6908dffba3fa184f2'.
geo object no  See the Geo object.
make string no Device make.
model string no Device model.
os string no Device OS; for example, 'iOS', 'Android'. Enum value of:
- 'iOS'
- 'Android'
- 'Windows'
osv string no Device OS version; for example, '9.1', '8.0'.
hwv string no Hardware version of the device (e.g., “5S” for iPhone 5S).
dnt integer no Whether the device specifies "Do Not Track" (1), or not (0).
lmt integer no Whether the device specifies "Limited Ad Tracking" (1), or not (0).
devicetype string no Refer to IAB OpenRTB API Specification Version 2.5, List 5.21 "Device Type."
language string no Device language in ISO-639-1-alpha-2; for example, 'en'.
carrier string no Carrier or ISP; for example, 'VERIZON'.
ext object no See the Device Extension object.

3.2.18.1 Device Extension

Field Type Required Description
tz string no  Device timezone settings formatted as zone name in the IANA timezone database; for example, 'America/Los_Angeles'.
vungleua string no Deprecated: Use Application.ext.vungle.sdk
sdcard integer no Whether SD card storage is available for Android devices (1) or not (0).
volume float no Value between 0 and 1 denoting the percentage volume of the device.
muted integer no 0 = false 1 = true; enumeration needed.
marketplace string no

The app marketplace installed on the device. Possible values are:

  • 'google'
  • 'apple'
  • 'amazon'
is_sideload_enabled integer no Boolean flag indicating whether the device allows app installs from "unknown" sources. If '1' (true), then apps from unknown marketplaces are allowed. If '0' (false), they are not.

3.2.19 Geo Object

Field Type Required Description
country string yes  Country code in ISO-3166-1-alpha-3; for example, 'USA'.
lat float no Latitude of the device; for example, '[-90, 90]'.
long float no Longitude of the device; for example, '[-180, 180]'.
type integer no Refer to IAB OpenRTB API Specification Version 2.5, List 5.20 "Location Type."
region string no Region code in ISO-3166-2; 2-letter state code if USA; for example, 'CA'.
city string no Free-form city name.
zip string no Postal code.
utcoffset integer no Local time as the number +/- of minutes from UTC.

3.2.20 User Object

Field Type Required Description
ext object no See the User Extension object.

3.2.20.1 User Extension

Field Type Required Description
consent integer no

The user consent string is optional, but present if the request is subject to GDPR regulations (that is, Regs.ext.gdpr = 1). The default sense of consent under GDPR is “opt-out”. Therefore an omitted consent string in a request subject to GDPR is interpreted as equivalent to the user fully opting out of all defined purposes for data use by all parties.

0 - all PII scrubbed

1 - user has given consent

4. Bid Response

4.1.1 Required and Optional Fields

Notes about the Required column in the Response section:

  • Yes: Vungle Exchange assumes a required field to be always formatted as specified, non-empty, with the type specified; invalid values may result in ineligibility for auction.
  • Recommended: Vungle Exchange will use the field to assist in the auction process if the value of the field is formatted as specified; a missing or invalid field does not negatively impact the eligibility in auction.
  • No: Vungle Exchange does not require that the fields exist.
  • Default: All unmentioned fields in OpenRTB 2.5 have a default requirement of 'No'. Additionally, all fields must match the type specified, or they may negatively affect auction eligibility.

4.1.2 Response Headers

Response headers must contain the "Content-Type" and "X-OpenRTB-Version" header with one of the accepted values from the request headers above. For example,

Content-Type: application/json 
X-OpenRTB-Version: 2.5

4.1.3 Response Status Code

All responses must be either 200 or 204. Any other HTTP response code can negatively affect the DSP's auction eligibility.

4.1.4 No-Bid Reason Signaling

DSPs are advised to send no-bid reasons when deciding to not bid. This information can help Vungle Exchange detect and fix potential issues with integration. No-bid signaling should follow the OpenRTB 2.5 section 7.4 specification. A well formed no-bid signaling with the no-bid reason should look like this: 

{"id": "1234567890", "seatbid": [], "nbr": 2}

4.2 Response Objects

4.2.1 BidResponse Object

Field Type Required Description
id string yes  BidRequest ID generated by Vungle Exchange; for example, '570ffeb14e67998f761a791c'. This must match the id in the BidRequest object.
bidid string no A unique bidder-generated response ID to assist with logging/tracking.
cur string no Bid currency using ISO-4217 alpha codes. Vungle Exchange currently supports only USD and treats any value as USD.
seatbid object array yes Array of seatbid objects; 1+ required if a bid is to be made.
nbr integer no A reason for not bidding, as listed in 5.24 of the OpenRTB 2.5 spec.
ext object no  

4.2.2 SeatBid Object

Field Type Required Description
seat string no  ID of the bidder seat on whose behalf this bid is made. Refer to IAB OpenRTB API Specification Version 2.5, Section 4.2.2 "Object: SeatBid."
bid object array yes  See the Bid object. At least one bid must exist.

4.2.3 Bid Object

Field Type Required Description
id string yes  Bid ID generated by individual DSPs.
impid string yes Impression ID with respect to the bid request's impression for which it is bidding. Must match the ID in the bid request Impression object.
price float yes Bid price expressed in unit of CPM; for example, '10.30'.
nurl string recommended Win notice URL called by Vungle Exchange if the bid wins.
burl string  no  Billing notice URL called by Vungle Exchange if the bid wins. 
lurl  string  no  Loss notice URL called by Vungle Exchange when the bid loses. 
adm string yes Ad markup to serve after winning auction. See the Ad Markup Specification section.
cid string recommended Campaign ID proxied by DSP.
crid string recommended Creative ID proxied by DSP.
adomain string array yes Advertiser domains for block list checking; for example, ["supercell.com"].
bundle string recommended The unique market ID, this is a platform-specific application identifier intended to be unique to the app and independent of the Vungle Exchange.
- On Android, this should be a bundle or package name (for example, 'com.supercell.hayday').
- On iOS, it is a numeric ID.
h integer recommended Height of the creative.
w integer recommended Width of the creative.
cat string array no  IAB content categories; refer to IAB OpenRTB API Specification Version 2.5, Section 5.1 "Content Categories."
iurl string no  Lost notification URL.
dealid string no  Reference to the deal.id from the BidRequest object if this bid pertains to a private marketplace direct deal.
adid string no  ID of a preloaded ad to be served if the bid wins.
ext object no   

4.2.3.1 Bid Extension

Field Type Required Description
skadn object no Parameters required to support Apple's SKAdNetwork attribution API, via loadProduct().
Impression tracker string array; one of imptrackers or burl required no  
deeplink string no Optional URL directing the user to specific content within the app if the app is already installed. If the app is not already installed and the deep link URL cannot be rendered, we default to the download URL. Refer to our Deep Linking article for more details.

4.3 Ad Markup Specification

Vungle Exchange supports primarily three types of markups: VAST, MRAID, and proprietary Vungle Ad Markup. While each has its high-level specification, to be considered as a valid markup for performance reasons, it must also comply with the additional requirements below.

4.3.1 VAST

The following tag must appear in the first 100 bytes of the 'adm' field, or the payload of the 'nurl' response:

<VAST version="2.0">
    <Ad>
        <InLine>
            <AdTitle>
                YOUR_AD_NAME
            </AdTitle>
            <Impression>
                <![CDATA[https://YOUR_IMPRESSION_TRACKING_URL?ttdsp_price=${AUCTION_PRICE}]]>
            </Impression>
            <Creatives>
                <Creative id="YOUR_CREATIVE_ID">
                    <Linear>
                        <Duration>00:00:18</Duration>
                        <TrackingEvents>
                            <Tracking event="start">
                                <![CDATA[https://YOUR_IMPRESSION_TRACKING_URL_START_PLAY]]>
                            </Tracking>
                            <Tracking event="complete">
                                <![CDATA[https://YOUR_IMPRESSION_TRACKING_URL_START_COMPLETE]]>
                            </Tracking>
                        </TrackingEvents>
                        <VideoClicks>
                            <ClickThrough>
                                <![CDATA[https://YOUR_DESTINATION_URL_TO_DOWNLOAD_BY_CLICK]]>
                            </ClickThrough>
                            <ClickTracking>
                                <![CDATA[https://YOUR_CLICK_TRACKING_URL]]>
                            </ClickTracking>
                        </VideoClicks>
                        <MediaFiles>
                            <MediaFile delivery="progressive" type="video/mp4" width="1280" height="720">
                                <![CDATA[https://YOUR_AD_VIDEO.mp4]]>
                            </MediaFile>
                        </MediaFiles>
                    </Linear>
                </Creative>
            </Creatives>
            <Description>Longer description of ad</Description>
        </InLine>
    </Ad>
</VAST>

4.3.2 Macro Substitution

Vungle Exchange supports a macro substitution for the auction price in the nurl field of the Bid object in the bid response. For example:

"nurl": "http://bidder.com/won?price=${AUCTION_PRICE}"

4.4 SKAdNetwork

Vungle Exchange supports Apple’s SKAdNetwork versions 2.0, 2.2, and 3.0 to facilitate app install and conversion tracking for our programmatic buyers buying on iOS 14+. We don't pass SKAdNetwork 2.1 in our bid request.

  • Liftoff Monetize iOS SDK v.6.10.0 and higher supports SKAdNetwork v.2.2 on iOS 14.5+.
  • Liftoff Monetize iOS SDK v.6.10.1 and higher supports SKAdNetwork v.3.0 on iOS 14.6+.

4.4.1 SKAdNetwork Bid Request Object: BidRequest.imp.ext.skadn

Field Type Required Description
version string yes Version of SKAdNetwork supported.Always "2.0" or higher. Dependent on both the OS version and the SDK version.
versions string array yes

Array of strings containing the supported SKAdNetwork versions. Always "2.0"or higher. Dependent on both the OS version and the SDK version.

sourceapp string yes

ID of Publisher App in Apple’s App Store. Matches app.bundle.

skadnetids string array yes

A subset of SKAdNetworkItem entries in the publisher app’s Info.plist that are relevant to the DSP. The value can be empty.

ext object no

Placeholder for exchange-specific extensions to OpenRTB.

4.4.1.1 SKAdNetwork Bid Request Example

"skadn": {
	"version": "2.2",
	"versions": [
		"2.0",
		"2.2"
			],
	"sourceapp": "123456789",
	"skadnetids": [
	"example123.skadnetwork"
	         	]
		}

4.4.2 SKAdNetwork Bid Response Object: BidResponse.seatbid.bid.ext.skadn

Field Type Required Description
version string yes Version of SKAdNetwork. Must be 2.0 or higher.
itunesitem string yes ID of advertiser’s app in Apple’s app store. Should match BidResponse.seatbid.bid.bundle.
sourceapp string yes ID of publisher’s app in Apple’s app store. Should match BidRequest.imp.ext.skad.sourceapp.
network string yes Ad network identifier used in signature. Should match one of the items in the  skadnetidsarray in the request. 
campaign string yes Campaign ID compatible with Apple’s spec. As of 2.0, this should be an integer between 1 and 100, expressed as a string.
fidelities object array yes  

4.4.2.1. Ext.skadn.fidelities

Field Type Required Description
fidelities integer yes The fidelity-type of the attribution to track.
nonce string yes An ID unique to each ad response. Refer to Apple’s documentation for the proper UUID format requirements.
timestamp string yes UNIX time in milliseconds string used at the time of signature.
signature string yes SKAdNetwork signature as specified by Apple.

4.4.2.2 SKAdNetwork Bid Response Example

"ext":{
                  "skadn":{
                     "campaign":"50",
                     "fidelities":[
                       {
                           "fidelity":0,
                          "nonce":"dd9bd787-2d01-4ba6-a147-464ed8b3b029",
                           "signature":"MEUCIQDYdJbL¥%……&*90900808=",
                          "timestamp":"1648110176238"
                       },
                       {
                          "fidelity":1,
                          "nonce":"44f6469a-5be4-4679-abb8-03af9b497b12",
                          "signature":"MEUCIDzSRb0Gjen3R/Ax3LTkxkk0Aysz8=",
                          "timestamp":"1648110176239"
                       }
                    ],
                     "itunesitem":"575980917",
                     "network":"example123.skadnetwork",
                    "sourceapp":"1234567890",
                    "version":"2.2"
                 }
               }

5. Examples

5.1 Request Example

{
  "id": "5f0417f6354b680001e94518",
  "imp": [
    {
      "id": "1",
      "video": {
        "mimes": [
          "video/mp4"
        ],
        "minduration": 0,
        "maxduration": 46,
        "protocols": [
          2,
          5
        ],
        "w": 720,
        "h": 1422,
        "linearity": 1,
        "minbitrate": 250,
        "maxbitrate": 15000,
        "boxingallowed": 1,
        "playbackmethod": [
          1,
          2,
          3,
          4
        ],
        "delivery": [
          2,
          1
        ],
        "pos": 7,
        "ext": {
          "skip": 0,
          "videotype": "rewarded",
          "rewarded": 1
        }
      },
      "pmp": {
        "private_auction": 0,
        "deals": [
          {
            "id": "5e463ac3413fc600161ca063",
            "bidfloor": 2.5,
            "bidfloorcur": "USD",
            "at": 2
          },
          {
            "id": "5e539622ecaffc0016745c14",
            "bidfloor": 2.5,
            "bidfloorcur": "USD",
            "at": 2
          }
        ]
      },
      "displaymanager": "VungleDroid",
      "displaymanagerver": "6.4.11",
      "tagid": "RW_12-7662426",
      "bidfloor": 1,
      "bidfloorcur": "USD",
      "secure": 1,
      "ext": {
        "openrtb25x": {
          "skip": 0
        },
        "metric": [
          {
            "type": "viewability",
            "vendor": "moat"
          }
        ]
      }
    }
  ],
  "app": {
    "id": "5afa947e9c8119360fba1bea",
    "name": "VungleApp123",
    "bundle": "com.vungle.bundle",
    "storeurl": "https:play.google.com/store/apps/details?id=com.vungle.bundle",
    "cat": [
      "IAB1",
      "IAB9",
      "IAB25-7"
    ],
    "privacypolicy": 1,
    "publisher": {
      "id": "5a9f8641bacdc27c1e009703",
      "cat": [
        "IAB1",
        "IAB9"
      ]
    },
    "keywords": "managed",
    "sdk": {
      "name": "VungleDroid",
      "ver": "6.4.11"
    },
    "bundleid": "com.vungle.bundle",
    "accountid": "5a9f8641bacdc27c1e005620"
  },
  "device": {
    "ua": "Mozilla/5.0 (Linux; Android 9; SM-A207F Build/PPR1.180610.011; wv) AppleWebKit/537.36 KHTML, like Gecko) Version/4.0 Chrome/74.0.3729.136 Mobile Safari/537.36",
    "geo": {
      "lat": -7.2484,
      "lon": 112.7419,
      "type": 2,
      "ipservice": 3,
      "country": "IDN",
      "region": "JI",
      "city": "Surabaya"
    },
    "dnt": 0,
    "lmt": 0,
    "ip": "115.178.227.128",
    "devicetype": 1,
    "make": "samsung",
    "model": "SM-A207F",
    "os": "android",
    "osv": "9",
    "h": 1422,
    "w": 720,
    "language": "id",
    "carrier": "Smartfren - Stay Safe | Smartfren",
    "connectiontype": 3,
    "ifa": "5ef57c14-d642-447f-ace9-543262c458bc",
    "ext": {
      "vungle": {
        "isSdCardAvailable": 1,
        "vungleua": "VungleDroid/6.4.11",
        "timezone": "Asia/Jakarta",
        "tz": "Asia/Jakarta",
        "sdcard": 1,
        "volume": 0.53333336,
        "muted": 1,
        "is_sideload_enabled": 0,
        "id": "5ef57c14-d642-447f-ace9-543262c458bc",
        "id_source": "IFA",
        "marketplace": "google"
      }
    }
  },
  "user": {
    "ext": {
      "consent": 1
    }
  },
  "at": 2,
  "tmax": 1000,
  "cur": [
    "USD"
  ],
  "bcat": [
    "IAB7-3",
    "IAB7-5",
    "IAB7-28",
    "IAB7-29",
    "IAB7-30",
    "IAB7-39",
    "IAB7-41",
    "IAB7-42",
    "IAB7-44",
    "IAB8-5",
    "IAB8-18",
    "IAB9-9",
    "IAB11",
    "IAB14-1",
    "IAB14-2",
    "IAB14-3",
    "IAB14-4",
    "IAB14-8",
    "IAB18-2",
    "IAB23",
    "IAB25-1",
    "IAB25-2",
    "IAB25-3",
    "IAB25-4",
    "IAB25-5",
    "IAB25-6",
    "IAB26"
  ],
  "source": {
    "ext": {
      "schain": {
        "complete": 1,
        "nodes": [
          {
            "asi": "vungle.com",
            "sid": "5a9f8641bacdc27c1e009703",
            "rid": "5f0417f6354b680001e94518",
            "hp": 1
          }
        ],
        "ver": "1.0"
      }
    }
  },
  "regs": {
    "ext": {
      "gdpr": 0,
      "us_privacy": "1---"
    }
  },
  "ext": {
    "schain": {
      "complete": 1,
      "nodes": [
        {
          "asi": "vungle.com",
          "sid": "5a9f8641bacdc27c1e009703",
          "rid": "5f0417f6354b680001e94518",
          "hp": 1
        }
      ],
      "ver": "1.0"
    },
    "moat_sdk": 1
  }
}

5.2 Banner Request Example

{
    "id": "5f63efce8fbdc346eff7bc4c",
    "imp": [{
        "id": "1",
        "banner": {
            "format": [{
                "w": 320,
                "h": 50
            }],
            "w": 320,
            "h": 50,
            "api": [
                5
            ]
        },
        "displaymanager": "VungleDroid",
        "displaymanagerver": "6.7.0",
        "instl": 1,
        "tagid": "MYFILE_VIDEO1_BANNER-0401902",
        "bidfloor": 0.15,
        "bidfloorcur": "USD",
        "secure": 1,
        "ext": {
            "openrtb25x": {
                "skip": 1
            },
            "metric": [{
                "type": "viewability",
                "vendor": "moat"
            }],
            "skadn": {
                "version": "2.0",
                "sourceapp": "com.dywx.larkplayer",
                "skadnetids": []
            }
        }
    }],
    "app": {
        "id": "575d1cfa8eee0c91140000be",
        "name": "Snaptube",
        "bundle": "com.dywx.larkplayer",
        "storeurl": "https://play.google.com/store/apps/details?id=com.dywx.larkplayer",
        "cat": ["IAB1", "IAB9"],
        "privacypolicy": 1,
        "publisher": {
            "id": "575d1c861295e1447c0000e5",
            "cat": ["IAB1", "IAB9"]
        },
        "keywords": "managed",
        "ext": {}
    },
    "device": {
        "ua": "Mozilla/5.0 (Linux; Android 10; SM-A205G Build/QP1A.190711.020; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.101 Mobile Safari/537.36",
        "geo": {
            "lat": -29.7,
            "lon": -53.75,
            "type": 2,
            "ipservice": 3,
            "country": "BRA",
            "region": "RS",
            "city": "Sao Jose",
            "zip": "95280"
        },
        "dnt": 0,
        "lmt": 0,
        "ip": "45.168.96.10",
        "devicetype": 1,
        "make": "samsung",
        "model": "SM-A205G",
        "os": "android",
        "osv": "10",
        "h": 1423,
        "w": 720,
        "language": "pt",
        "carrier": "Vivo",
        "connectiontype": 2,
        "ifa": "bbfb54b9-8530-443f-b772-15d23886b379",
        "ext": {}
    },
    "user": {
        "ext": {
            "consent": 1
        }
    },
    "at": 2,
    "tmax": 1000,
    "cur": ["USD"],
    "bcat": ["IAB7-3", "IAB7-5", "IAB7-28", "IAB7-29", "IAB7-30", "IAB7-39", "IAB7-41", "IAB7-42", "IAB7-44", "IAB8-5", "IAB8-18", "IAB9-9", "IAB11", "IAB14-1", "IAB14-2", "IAB14-3", "IAB14-4", "IAB14-8", "IAB18-2", "IAB23", "IAB25-1", "IAB25-2", "IAB25-3", "IAB25-4", "IAB25-5", "IAB25-6", "IAB26"],
    "source": {
        "ext": {
            "schain": {
                "complete": 1,
                "nodes": [{
                    "asi": "vungle.com",
                    "sid": "575d1c861295e1447c0000e5",
                    "rid": "5f63efce8fbdc346eff7bc4c",
                    "name": "snaptube",
                    "hp": 1
                }],
                "ver": "1.0"
            }
        }
    },
    "regs": {
        "ext": {
            "gdpr": 0,
            "us_privacy": "1-N-"
        }
    },
    "ext": {
        "schain": {
            "complete": 1,
            "nodes": [{
                "asi": "vungle.com",
                "sid": "575d1c861295e1447c0000e5",
                "rid": "5f63efce8fbdc346eff7bc4c",
                "name": "snaptube",
                "hp": 1
            }],
            "ver": "1.0"
        },
        "moat_sdk": 1
    }
}

5.3 MREC Request Example

{
    "id": "5f63f075520d3be1ebedea2a",
    "imp": [{
        "id": "1",
        "banner": {
            "format": [{
                "w": 300,
                "h": 250
            }],
            "w": 300,
            "h": 50,
            "api": [
                5
            ]
        },
        "pmp": {
            "private_auction": 0,
            "deals": [{
                "id": "5a396a79d6515f3e2500726e",
                "bidfloor": 3,
                "bidfloorcur": "USD",
                "at": 2
            }, {
                "id": "5a396ae2d6515f3e2500726f",
                "bidfloor": 5,
                "bidfloorcur": "USD",
                "at": 2
            }]
        },
        "displaymanager": "VungleDroid",
        "displaymanagerver": "6.5.3",
        "instl": 1,
        "tagid": "MRECLOW-6155659",
        "bidfloor": 0.1754385964912281,
        "bidfloorcur": "USD",
        "secure": 1,
        "ext": {
            "openrtb25x": {
                "skip": 1
            },
            "metric": [{
                "type": "viewability",
                "vendor": "moat"
            }],
            "impType": "MREC",
            "skadn": {
                "version": "2.0",
                "sourceapp": "wp.wattpad",
                "skadnetids": []
            }
        }
    }],
    "app": {
        "id": "56b8e577819502560b000033",
        "name": "Wattpad Futures - android",
        "bundle": "wp.wattpad",
        "storeurl": "https://play.google.com/store/apps/details?id=wp.wattpad&hl=en",
        "cat": ["IAB1", "IAB9"],
        "privacypolicy": 1,
        "publisher": {
            "id": "56b2844d24342c3622000032",
            "cat": ["IAB1", "IAB9"]
        },
        "keywords": "managed",
        "ext": {}
    },
    "device": {
        "ua": "Mozilla/5.0 (Linux; Android 10; HRY-LX1T Build/HONORHRY-LX1T; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.81 Mobile Safari/537.36",
        "geo": {
            "type": 2,
            "ipservice": 3,
            "country": "FIN",
            "region": "11",
            "city": "Tampere",
            "zip": "33200"
        },
        "dnt": 0,
        "lmt": 0,
        "ip": "109.240.199.0",
        "devicetype": 1,
        "make": "HUAWEI",
        "model": "HRY-LX1T",
        "os": "android",
        "osv": "10",
        "h": 2139,
        "w": 1080,
        "language": "en",
        "carrier": "Telia FI",
        "connectiontype": 3,
        "ext": {}
    },
    "user": {
        "ext": {}
    },
    "at": 2,
    "tmax": 1000,
    "cur": ["USD"],
    "bcat": ["IAB7-3", "IAB7-5", "IAB7-28", "IAB7-29", "IAB7-30", "IAB7-39", "IAB7-41", "IAB7-42", "IAB7-44", "IAB8-5", "IAB8-18", "IAB9-9", "IAB11", "IAB14-1", "IAB14-2", "IAB14-3", "IAB14-4", "IAB14-8", "IAB18-2", "IAB23", "IAB25-1", "IAB25-2", "IAB25-3", "IAB25-4", "IAB25-5", "IAB25-6", "IAB26"],
    "source": {
        "ext": {
            "schain": {
                "complete": 1,
                "nodes": [{
                    "asi": "vungle.com",
                    "sid": "56b2844d24342c3622000032",
                    "rid": "5f63f075520d3be1ebedea2a",
                    "hp": 1
                }],
                "ver": "1.0"
            }
        }
    },
    "regs": {
        "ext": {
            "gdpr": 1,
            "us_privacy": "1---"
        }
    },
    "ext": {
        "schain": {
            "complete": 1,
            "nodes": [{
                "asi": "vungle.com",
                "sid": "56b2844d24342c3622000032",
                "rid": "5f63f075520d3be1ebedea2a",
                "hp": 1
            }],
            "ver": "1.0"
        },
        "moat_sdk": 1
    }
}

5.4 Response Example

{
  "id": "58ed309efa8936087efd1349",
  "bidid": "5508",
  "cur": "USD",
  "seatbid": [
    {
      "seat": "7735",
      "bid": [
        {
          "id": "5508",
          "impid": "58ed309efa8936087efd134a",
          "price": 50,
          "nurl": "http://bidder.com/won?price=${AUCTION_PRICE}",
          "adm": "<VAST version=\"2.0\"><Ad><InLine><AdTitle>YOUR_AD_NAME</AdTitle><Impression><![CDATA[https://YOUR_IMPRESSION_TRACKING_URL?ttdsp_price=${AUCTION_PRICE}]]></Impression><Creatives><Creative id=\"YOUR_CREATIVE_ID\"><Linear><Duration>00:00:18</Duration><TrackingEvents><Tracking event=\"start\"><![CDATA[https://YOUR_IMPRESSION_TRACKING_URL_START_PLAY]]></Tracking><Tracking event=\"complete\"><![CDATA[https://YOUR_IMPRESSION_TRACKING_URL_START_COMPLETE]]></Tracking></TrackingEvents><VideoClicks><ClickThrough><![CDATA[https://YOUR_DESTINATION_URL_TO_DOWNLOAD_BY_CLICK]]></ClickThrough><ClickTracking><![CDATA[https://YOUR_CLICK_TRACKING_URL]]></ClickTracking></VideoClicks><MediaFiles><MediaFile delivery=\"progressive\" type=\"video/mp4\" width=\"1280\" height=\"720\"> <![CDATA[https://YOUR_AD_VIDEO.mp4]]></MediaFile></MediaFiles></Linear></Creative></Creatives><Description>Longer description of ad</Description></InLine></Ad></VAST>",
          "cid": "554d550b418461cc3700014d",
          "crid": "57767c29a63510e75f000073"
        }
      ]
    }
  ]
}
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