/api/v2/folders/{id}/reposition

Reorders a folder among the other folders in its project. Pass move_before_id and/or move_after_id — the IDs of the folders to position it relative to. When both are provided, the folder is placed between them.

{
  "data": {
    "type": "folders",
    "attributes": { "move_after_id": 5521 }
  }
}