curl --request GET \
  --url https://api.courier.com/audiences/{audience_id} \
  --header 'Authorization: Bearer <token>'

{
  "id": "<string>",
  "name": "<string>",
  "description": "<string>",
  "filter": {
    "operator": "ENDS_WITH",
    "value": "<string>",
    "path": "<string>"
  },
  "created_at": "<string>",
  "updated_at": "<string>"
}