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PreReason Energy Basket
x402
PreReason Energy Basket is a paid API for AI agents from api.prereason.com, paid per call via x402, $0.05/call, status unknown (last checked 2026-10-12).
Returns US oil and gas market data including EIA crude/gas inventory z-scores versus 5-year norms, WTI/Brent/Henry Hub spot prices, Brent-WTI spread, and 30-day WTI realized volatility
Price / call$0.05
Success—
StatusUnknown
How this service works
Financial market context for AI agents: macro, rates, bonds, FX, commodities, companies and Bitcoin. One API call returns a briefing with the reasoning already in it.
Output
A structured briefing (JSON or token-optimized markdown) containing 7 metrics: WTI crude price, Brent crude price, Brent-WTI spread, Henry Hub natural gas price, oil inventory z-score vs 5-year seasonal norm, natural gas storage z-score vs 5-year seasonal norm, and WTI 30-day realized volatility computed from EIA spot prices — plus upcoming EIA report dates and one cross-metric correlation.
Example use cases
Weekly EIA report energy context
“It's Thursday after the EIA release — can you grab the energy basket and tell me whether US crude stocks are above or below the 5-year norm and what the z-score looks like?”
Energy briefing for commodity trader
“I need today's full energy market snapshot: WTI and Brent spot prices, the spread between them, Henry Hub gas price, and whether oil and gas inventories are statistically high or low versus the past five years.”
Historical energy inventory analysis
“Pull the energy basket data for 2024-01-19 so I can see where crude and natural gas storage stood relative to their 5-year seasonal norms on that date, along with the realized volatility figure.”
Technical details
Endpoint
GEThttps://api.prereason.com/api/commodities/energy-basket?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a pre-contextualized, multi-metric energy commodities snapshot that places EIA weekly crude and gas inventory data against 5-year seasonal norms with z-scores — rather than raw price feeds or single-metric lookups. Ideal when an agent needs to answer 'is the market tight or loose?' without computing historical comparisons itself. Prefer over generic commodity price APIs when the user wants inventory context, volatility, and spread data in one call.
Side effects
- Requested historical date not on record returns an error or empty dataset
- Invalid date format (not YYYY-MM-DD) returns a validation error
- EIA data not yet released for the current week may return stale or unavailable inventory readings
- Payment failure (x402) results in 402 response before data is served
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"metrics": {
"oil-wti": {
"name": "oil-wti"
},
"oil-brent": {
"name": "oil-brent"
},
"brent-wti-spread": {
"name": "brent-wti-spread"
},
"natural-gas-price": {
"name": "natural-gas-price"
},
"oil-inventory-zscore": {
"name": "oil-inventory-zscore"
},
"natgas-storage-zscore": {
"name": "natgas-storage-zscore"
},
"oil-wti-realized-vol-30d": {
"name": "oil-wti-realized-vol-30d"
}
},
"briefing_used": "commodities.energy-basket",
"briefing_metadata": {
"name": "Energy Basket",
"description": "US oil and gas stocks against the five year norm, with what changed and what comes next: EIA weekly commercial crude stocks and Lower 48 gas storage, each placed against the same week in the prior five years; WTI, Brent and Henry Hub spot prices; the Brent to WTI spread; WTI 30 day realised volatility (computed from EIA spot prices, backward looking); the dates of the next EIA reports.",
"metrics_count": 7,
"correlations_count": 1
}
}
}Tags
x402
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