curl --request POST \
  --url https://api.flashdocs.ai/v1/documents/pptx \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: multipart/form-data' \
  --form document_type=template \
  --form 'name=Presentation Name' \
  --form 'description=Add presentation description here...' \
  --form reset_text_boxes=false \
  --form file=@example-file

{
  "success": true,
  "document_id": "abc-defghi-1234-5"
}