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GET /api/v2/buyer/targeting/dimensions/{system} Returns code/name pairs for a targeting dimension. Store only codes in campaign constraints; use names for display and resolution.

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Request

curl "https://api.interchange.io/api/v2/buyer/targeting/dimensions/nielsen_dma" \
  -H "Authorization: Bearer $SCOPE3_API_KEY"

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Parameters

FieldTypeRequiredNotes
systemenumYesCurrently nielsen_dma

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Response

{
  "system": "nielsen_dma",
  "name": "Nielsen DMA",
  "locale": "en-US",
  "targetingFields": ["geo_metros", "geo_metros_exclude"],
  "entries": [
    { "code": "532", "name": "Albany-Schenectady-Troy" },
    { "code": "803", "name": "Los Angeles" }
  ]
}
For campaign display, request fields=geo_metro_names on list_campaigns or get_campaign; included labels return in geo_metro_names, excluded labels return in geo_metro_names_exclude, and both are derived from the same local table.