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GET /api/v2/buyer/advertisers/{advertiserId}/measurement-sources/{sourceId} Returns the full configuration for one measurement source.

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Request

curl https://api.interchange.io/api/v2/buyer/advertisers/12345/measurement-sources/a1b2c3d4-e5f6-7890-abcd-ef1234567890 \
  -H "Authorization: Bearer $SCOPE3_API_KEY"

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Parameters

FieldTypeRequiredNotes
advertiserIdstringYesPath parameter — the owning advertiser
sourceIdstringYesPath parameter — the source ID returned at creation

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Response

{
  "id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
  "advertiserId": "12345",
  "sourceKey": "acme_incr_rev",
  "name": "Acme Incrementality",
  "outcomeType": "incremental_revenue",
  "outcomeTypes": [],
  "granularity": "geo_week",
  "cadence": "weekly",
  "provider": "acme-mmm",
  "lagWeeks": 1,
  "signalWeight": 1,
  "status": "active",
  "createdAt": "2026-01-15T10:30:00Z",
  "updatedAt": "2026-01-15T10:30:00Z"
}

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Errors

  • 404 NOT_FOUND — sourceId (or advertiserId) does not exist or is not visible to the authenticated customer.
See Errors for the full error contract.

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