curl --request POST \
  --url https://api.alpha-1edtech.ai/ims/oneroster/rostering/v1p2/gradingPeriods/ \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "academicSession": {
    "sourcedId": "<string>",
    "title": "<string>",
    "startDate": "<string>",
    "endDate": "<string>",
    "type": "<string>",
    "schoolYear": "<string>",
    "org": {
      "sourcedId": "<string>"
    },
    "dateLastModified": "2023-11-07T05:31:56Z",
    "metadata": {},
    "parent": {
      "sourcedId": "<string>"
    },
    "children": [
      {
        "href": "<string>",
        "sourcedId": "<string>"
      }
    ]
  }
}
'

{
  "sourcedIdPairs": {
    "suppliedSourcedId": "<string>",
    "allocatedSourcedId": "<string>"
  }
}