Developer API

Authenticate however is easiest: add ?api_key=gf_live_… to the URL, or send an Authorization: gf_live_… header. All monetary values are decimal strings; every response shares one envelope with machine-readable error codes.

Endpoints

• GET /api/v2/quotes/latest?symbols=XAU,XAG — latest quotes
• GET /api/v2/quotes/{symbol} — one metal
• GET /api/v2/history/{symbol}?from=&to=&interval=1d|5m — time series
• GET /api/v2/convert?kind=currency|weight — conversion
• GET /api/v2/metals · /currencies — reference data
• POST /api/v2/pricing/preview — full sell/buyback breakdown
• GET /api/v2/usage — your quota status

curl -H "Authorization: gf_live_YOUR_KEY" \
  "https://gold-feed.com/api/v2/quotes/latest?symbols=XAU,XAG"