curl -X POST https://api.getdeckle.dev/v1/pdf/info \
  -H "Authorization: Bearer dk_live_sk_..." \
  -H "Content-Type: application/json" \
  -d '{
    "pdf": "<base64-encoded-pdf>"
  }'

{
  "pages": 5,
  "title": "Quarterly Report",
  "author": "Acme Corp",
  "subject": "",
  "creator": "Deckle API",
  "producer": "Deckle",
  "creation_date": "2026-03-01T12:00:00.000Z",
  "modification_date": "2026-03-10T08:30:00.000Z",
  "file_size": 245000
}