curl --request POST \
  --url https://api.eflow.team/v1/networks/reporting/offergroupcaps \
  --header 'Content-Type: application/json' \
  --header 'X-Eflow-Api-Key: <api-key>' \
  --data '
{
  "offer_group_ids": [
    123
  ],
  "timezone_id": 123
}
'

{
  "caps": [
    {}
  ]
}