Physical prices only
References, assessments, averages, and trade unit values remain distinct.
اقرأ المنهجية ←جميع واجهات API
Regional Coal Prices API
Regional physical coal prices across admitted markets, with source-native units, grades, dates, and history.
الطلب الأول
دليل البدء السريع ←curl --request GET \
--url "https://api.narwhalapi.com/v1/commodities/coal/physical" \
--header "Authorization: Bearer $NARWHAL_API_KEY"استجابة نموذجية استجابة توضيحية · ليست طلبًا مباشرًا
{
"series": [
{
"series_id": "eia-us-steam-export-average",
"market": "USA",
"coal_type": "thermal",
"price_type": "export_unit_value",
"currency": "USD",
"unit": "short_ton",
"frequency": "quarterly"
}
],
"next_cursor": null
}نقاط النهاية
GETDiscover physical coal series/v1/commodities/coal/physical
GETRead the latest physical coal price/v1/commodities/coal/physical/{series_id}
GETRead physical coal price history/v1/commodities/coal/physical/{series_id}/observations
المصادر والمنهجية
Dated observations
Latest values and history retain their priced periods and publication dates.
Native grades and units
Calorific values, ranges, delivery basis, currency, and units stay explicit.
التغطية
عرض التغطية ←Discover the admitted series first. It returns each market, price type, grade data, coverage interval, and source-native quote unit.
استكشف الصفحات ذات الصلة
مرجع API
REST and MCP operation details.
افتح المرجع ←التغطية
Markets, dates, and source status.
عرض التغطية ←الأسئلة الشائعة
Does this include coal futures?
No. This API covers physical-market prices only.
How do I find a grade or market?
Use discovery and filter with the source-specific market, coal type, price type, or calorific fields.