Start with the requirement you actually have. Gnaww keeps unresolved detail explicit rather than quietly guessing it.
/v1/interpret
curl https://api.gnaww.io/v1/interpret \
-H "X-Gnaww-API-Key: $GNAWW_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"source": {
"type": "natural_language",
"raw_text": "500 A5 double-sided flyers on 170gsm silk"
},
"gjs_version": "0.4"
}'