curl --request POST \
  --url https://api.eflow.team/v1/networks/offergroups \
  --header 'Content-Type: application/json' \
  --header 'X-Eflow-Api-Key: <api-key>' \
  --data '
{
  "network_advertiser_id": 1,
  "name": "Premium Offers",
  "offer_group_status": "active",
  "is_caps_enabled": true,
  "daily_conversion_cap": 1000,
  "monthly_conversion_cap": 25000,
  "network_offer_ids": [
    10,
    11,
    12
  ]
}
'

{
  "network_offer_group_id": 123,
  "network_id": 123,
  "network_advertiser_id": 123,
  "name": "<string>",
  "internal_notes": "<string>",
  "offer_group_status": "active",
  "is_caps_enabled": true,
  "daily_conversion_cap": 123,
  "weekly_conversion_cap": 123,
  "monthly_conversion_cap": 123,
  "global_conversion_cap": 123,
  "daily_payout_cap": 123,
  "weekly_payout_cap": 123,
  "monthly_payout_cap": 123,
  "global_payout_cap": 123,
  "daily_revenue_cap": 123,
  "weekly_revenue_cap": 123,
  "monthly_revenue_cap": 123,
  "global_revenue_cap": 123,
  "daily_click_cap": 123,
  "weekly_click_cap": 123,
  "monthly_click_cap": 123,
  "global_click_cap": 123,
  "time_created": 123,
  "time_saved": 123,
  "relationship": {
    "advertiser": {},
    "labels": {},
    "network_offer_ids": [
      123
    ],
    "remaining_caps": {}
  }
}