Unified parcel tracking across major Korean couriers. Input: tracking number and optional carrier code; output: normalized delivery status timeline with location and timestamps.
curl -X POST "https://apitree.ai/api/v1/proxy/kr-parcel-tracking" \
-H "Authorization: Bearer nxs_live_YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{"reqCarrier":"<reqCarrier>","reqTrackingNo":"<reqTrackingNo>"}'