curl --request GET \
  --url https://api.firstpromoter.com/api/v2/company/reports/campaigns \
  --header 'Account-ID: <account-id>' \
  --header 'Authorization: Bearer <token>'

[
  {
    "campaign": {
      "id": 123,
      "name": "<string>",
      "color": "<string>"
    },
    "id": 123,
    "data": {
      "revenue_amount": 123,
      "net_revenue_amount": 123,
      "promoter_earnings_amount": 123,
      "customers_count": 123,
      "referrals_count": 123,
      "clicks_count": 123,
      "active_customers": 123,
      "3m_epc": 123
    },
    "sub_data": [
      {
        "period": "<string>",
        "id": "<string>",
        "data": {
          "revenue_amount": 123,
          "net_revenue_amount": 123,
          "promoter_earnings_amount": 123,
          "customers_count": 123,
          "referrals_count": 123,
          "clicks_count": 123,
          "active_customers": 123,
          "3m_epc": 123
        }
      }
    ]
  }
]