curl --request GET \
  --url https://api.interchange.io/api/v2/storefront/esa/{esaId}/media-buys/{mediaBuyId} \
  --header 'Authorization: Bearer <token>'

{
  "mediaBuyId": "<string>",
  "principalId": "<string>",
  "principalName": "<string>",
  "status": "<string>",
  "flightStartDate": "<string>",
  "flightEndDate": "<string>",
  "totalBudget": 123,
  "currency": "<string>",
  "createdAt": "<string>",
  "products": [
    "<string>"
  ],
  "creatives": [
    "<string>"
  ],
  "statusHistory": [
    {
      "occurredAt": "<string>",
      "status": "<string>",
      "note": "<string>"
    }
  ],
  "buyerRef": "<string>",
  "deliveredImpressions": 0,
  "deliveredSpend": 123,
  "pacing": "<string>",
  "targeting": {}
}