# SiteCheck Trade & Energy – Agricultural Commodity Reference Prices (Corn, Wheat, Soy)

> SiteCheck Trade & Energy – Agricultural Commodity Reference Prices (Corn, Wheat, Soy) is a paid API for AI agents from api.tradeenergy-api.workers.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-29).

Returns World Bank monthly reference prices for corn, wheat, and soybeans (USD per metric ton) from FRED, with latest value and up to 24 months of history.

## Facts

- Endpoint: GET https://api.tradeenergy-api.workers.dev/api/energy/cme-agri-spot-futures?utm_source=zero.xyz
- Price: $0.002/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-29
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/sitecheck-trade-energy-agricultural-commodity-reference-prices-corn-8f336bae
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_R4ptHKoJZnCHLYelRZAcs

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability sitecheck-trade-energy-agricultural-commodity-reference-prices-corn-8f336bae
```

Example prompt: What are the current World Bank reference prices for corn, wheat, and soybeans, and can you show me how they've trended over the last 12 months?

## When to prefer this

Use this endpoint when you need official World Bank monthly benchmark prices for the three major grains (corn, wheat, soybeans) sourced from FRED — not for real-time CME futures quotes, intraday spot prices, or other commodities. Ideal for macroeconomic analysis, cost modeling, trade research, and trend monitoring where authoritative reference prices (rather than market-traded prices) are required.

## Known failure modes

- months parameter out of range (must be 1–24) may return an error or be clamped
- Upstream FRED data unavailability could result in stale or missing values
- World Bank series update lag means most-recent months may not yet have data
- Network timeout from the Cloudflare Worker if FRED is slow to respond

## How this service works

Monthly world reference prices for corn, wheat and soybeans from FRED (World Bank series, USD). These are not CME futures quotes; the name is kept for the owner's route. Latest value plus up to 24 months of history.

## Output

A JSON object with three top-level keys (corn, wheat, soy), each containing a unit string, a latest object (date + value), and a history array of {date, value} objects covering up to 24 months. Also includes the FRED source URL and a checkedAt timestamp.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "required": [],
     "properties": {
      "months": {
       "type": "string",
       "description": "Months of history, 1 to 24 (default 3)"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "soy": {
   "unit": "USD per metric ton, quarterly",
   "latest": {
    "date": "2026-07-01",
    "value": 457.7389448245753
   },
   "history": [
    {
     "date": "2026-07-01",
     "value": 457.7389448245753
    },
    {
     "date": "2026-04-01",
     "value": 426.3281568183153
    }
   ]
  },
  "corn": {
   "unit": "USD per metric ton",
   "latest": {
    "date": "2026-09-01",
    "value": 236.9161241071429
   },
   "history": [
    {
     "date": "2026-09-01",
     "value": 236.9161241071429
    },
    {
     "date": "2026-08-01",
     "value": 221.3034955803572
    }
   ]
  },
  "wheat": {
   "unit": "USD per metric ton",
   "latest": {
    "date": "2026-09-01",
    "value": 246.85180245
   },
   "history": [
    {
     "date": "2026-09-01",
     "value": 246.85180245
    },
    {
     "date": "2026-08-01",
     "value": 237.8554019809524
    }
   ]
  },
  "source": "https://fred.stlouisfed.org/graph/fredgraph.csv",
  "checkedAt": "2026-10-23T09:38:07.433Z"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/sitecheck-trade-energy-agricultural-commodity-reference-prices-corn-8f336bae/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.tradeenergy-api.workers.dev](https://www.zero.xyz/host/api.tradeenergy-api.workers.dev/llms.txt)