curl --request POST \
  --url https://api.postflow.app/v1/posts-bulk/draft \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "is_draft": true,
  "post_ids": [
    "<string>"
  ]
}
'

{
  "post_ids": [
    "<string>"
  ],
  "partial": true,
  "skipped_no_assignee": [
    "<string>"
  ],
  "skipped_published": [
    "<string>"
  ]
}