Send Universal IDs in bid requests for server-to-server integrations

To send Universal IDs Universal IDs are IDs that Index can receive from data partners and pass to DSPs in the bid request. in bid requests using a server-to-server integration, publishers must include the eIDs object in bid requests.

Before you begin: You must be integrated with at least one supported Universal ID provider.

Update your integration to pass the eIDs object in the bid request An OpenRTB request that is sent from a supply-side platform (SSP) or ad exchange to the DSP requesting a bid response for potential impressions. A bid request contains information about the impression that allows the DSP to decide whether to bid on the impression.. For more information about the fields that you can pass with the eIDs object, see EID object.

Confirm that you are correctly formatting the values for the source field (required) and rtipartner field within the eIDs Ext object (optional). For a list of values that corresponds to each Universal ID provider, refer to the following table:

Universal ID provider	`source` field (required)	`rtipartner` field (optional)
33Across	`33across.com`	`33acrossId`
Amazon	`amazon.com`	`amazonAdvertisingID`
Criteo	`criteo.com`	`criteoID`
LiveIntent	`liveintent.com`	`nonID`
LiveRamp	`liveramp.com`	`idl`
Merkle	`merkleinc.com`	`MRKL`
netID	`netid.de`	`NETID`
Neustar	`neustar.biz`	`fabrickId`
Unified ID	`adserver.org`	`TDID`
Unified ID 2.0	`uidapi.com`	`UID2`
Yahoo ConnectID	`yahoo.com`	`connectId`

For more information on how to format this object, refer to the following example that includes LiveRamp and Unified ID :

"eids": [
           {
               "source": "liveramp.com",
               "uids": [
                   {
                       "id": "AkrLD1kaph7_qsa2_lv42sZjg7K6AxQ7cf-4WH7IkBVvO59fkEyPnIeK2E9iZ0-weCY3bH00tdD3sRc-c6BHdN8M1Bw-Woosl3RUGEAfZFgUvbFLIz0pKSChoRNMbhY35Lk5",
                       "atype": 3
                   }
               ]
           },
           {
               "source": "adserver.org",
               "uids": [
                   {
                       "id": "1462147c-cce5-400f-8cd9-8b8351f39a98",
                       "atype": 1,
                       "ext": {
                           "rtiPartner": "TDID"
                       }
                   }
               ]
           },