curl --request POST \
  --url https://api.rampartcorporation.com/v2/storage/upload-urls \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'x-client-id: <x-client-id>' \
  --data '
{
  "job_id": "job_abc123",
  "files": [
    {
      "filename": "invoices-1.csv",
      "vendor_hint": "Acme Corp"
    },
    {
      "filename": "contracts-2023.pdf"
    }
  ],
  "expires_in": 900
}
'

{
  "data": [
    {
      "filename": "invoices-1.csv",
      "presignedUrl": "https://storage.rampartcorporation.com/upload/abc123?signature=xyz"
    },
    {
      "filename": "contracts-2023.pdf",
      "presignedUrl": "https://storage.rampartcorporation.com/upload/def456?signature=uvw"
    }
  ]
}