curl --request POST \
  --url https://api.trycardinal.ai/split \
  --header 'Content-Type: multipart/form-data' \
  --header 'x-api-key: <api-key>' \
  --form 'fileUrl=<string>' \
  --form 'queries=<string>' \
  --form 'customContext=<string>' \
  --form file=@example-file

{
  "success": true,
  "pages": [
    {
      "content": "ACME CORPORATION Annual Report...",
      "page_number": 1
    },
    {
      "content": "Financial Summary Table...",
      "page_number": 2
    }
  ],
  "partitions": [
    {
      "name": "cover_pages",
      "description": "Title pages, cover sheets, or document headers",
      "pages": [
        1
      ]
    },
    {
      "name": "financial_data",
      "description": "Pages with financial tables, revenue data, or numerical information",
      "pages": [
        2,
        5,
        6
      ]
    },
    {
      "name": "appendices",
      "description": "Supporting documents, references, or supplementary materials",
      "pages": [
        7,
        8,
        9
      ]
    }
  ]
}