curl --request POST \
  --url https://{install}/api/plan/{boardId}/batch \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "cycleId": "<string>",
  "items": [
    {
      "itemId": "<string>",
      "resourceId": "<string>"
    }
  ]
}
'

{
  "planned": 123,
  "cycleId": "<string>",
  "errors": [
    {
      "itemId": "<string>",
      "reason": "<string>"
    }
  ]
}