Physical prices only
References, assessments, averages, and trade unit values remain distinct.
閱讀方法說明 →所有 API
Regional Coal Prices API
Regional physical coal prices across admitted markets, with source-native units, grades, dates, and history.
首次請求
快速入門 →curl --request GET \
--url "https://api.narwhalapi.com/v1/commodities/coal/physical" \
--header "Authorization: Bearer $NARWHAL_API_KEY"回應範例 示意回應 · 非實際請求結果
{
"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
}端點
來源與方法論
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.
涵蓋範圍
查看涵蓋範圍 →Discover the admitted series first. It returns each market, price type, grade data, coverage interval, and source-native quote unit.
探索相關頁面
常見問題
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.