G
GMX.Developers
API Live

Ship across borders with one API call

Rate shop carriers, classify products, calculate duties, screen for PGA requirements, and generate customs filings — all through a single REST API.

AI Classification (98% accuracy)
16 PGA Agencies
USPS + FedEx + UPS + DHL + Estafeta

Endpoints

Example
curl -X POST https://api.goldmexintl.com/api/v1/goldmex/express/rate \
  -H "X-API-Key: YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "origin": {"city": "Monterrey", "state": "NL", "country": "MX"},
    "destination": {"city": "Los Angeles", "state": "CA", "country": "US"},
    "items": [{"description": "tequila reposado 750ml", "value_usd": 125, "quantity": 10}],
    "parcel": {"length_in": 18, "width_in": 12, "height_in": 12, "weight_oz": 320}
  }'

Authentication

All requests require an API key passed via the X-API-Key header.

curl -H "X-API-Key: ar_live_YOUR_KEY_HERE" \
  https://api.goldmexintl.com/api/v1/goldmex/express/rate
Customs Intelligence Technology · Licensed customs broker: Goldmex International LLC