curl --request POST \
  --url https://api.heffl.com/api/v2/pipelines \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "name": "<string>",
  "stages": [
    {
      "name": "<string>",
      "position": 123,
      "probability": 123,
      "rottingInDays": 123
    }
  ],
  "icon": "<string>",
  "isActive": true
}
'

{
  "id": "<string>",
  "name": "<string>",
  "stages": [
    {
      "id": "<string>",
      "name": "<string>",
      "position": 123,
      "probability": 123
    }
  ]
}