curl --request POST \
  --url https://api.wappfy.com.br/api/sendFile \
  --header 'Content-Type: application/json' \
  --header 'apikey: <api-key>' \
  --data '{
  "session": "session",
  "chatId": "5511999999999@c.us",
  "url": "https://example.com/file.pdf",
  "filename": "document.pdf"
}'

{}