Cross device: REST → GraphQL migration guide
Both REST list endpoints attach as relationship fields on Advertiser.
Quick reference table
| REST endpoint | GraphQL operation | Notes |
|---|---|---|
POST /v3/crossdeviceattributionmodel/query/advertiser |
Advertiser.crossDeviceAttributionModels | Paged attribution models for an advertiser |
POST /v3/crossdevicevendor/query/advertiser |
Advertiser.crossDeviceVendors | Paged vendors for an advertiser; includes optional fee on each vendor |