curl --request POST \
  --url https://api.stackone.com/unified/hris/employees/{id}/documents/upload/batch \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --header 'x-account-id: <x-account-id>' \
  --data '{
  "items": [
    {
      "name": "weather-forecast",
      "file_format": {
        "value": "pdf",
        "source_value": "application/pdf"
      },
      "content": "VGhpcyBpc24ndCByZWFsbHkgYSBzYW1wbGUgZmlsZSwgYnV0IG5vIG9uZSB3aWxsIGV2ZXIga25vdyE",
      "category_id": "6530",
      "path": "/path/to/file",
      "confidential": {
        "value": "true",
        "source_value": "public"
      },
      "category": {
        "name": "reports",
        "id": "550e8400-e29b-41d4-a716-446655440000"
      }
    }
  ]
}'

{
  "statusCode": 202,
  "message": "Batch operation accepted",
  "timestamp": "2021-01-01T01:01:01.000Z",
  "errors": [
    [
      "Missing field: name"
    ],
    [],
    []
  ]
}