curl --request POST \
  --url https://api.boostgpt.co/v1/bot/crm/pipelines/stages \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "project_id": "<string>",
  "bot_id": "<string>",
  "name": "<string>",
  "pipeline_id": "<string>",
  "closed_status": "open"
}
'

{
  "stage": {
    "uuid": "<string>",
    "name": "<string>",
    "closed_status": "open",
    "probability": 123,
    "sort_order": 123
  }
}