Market data

Read MGX market prices and history. Requires the market.read scope. Prices are per metric tonne in CAD.

GET/v1/market/commodities

List commodities

Commodities that have market-price coverage, with whether history is available.

Request

GET

/v1/market/commodities

curl https://api.mygrainexchange.com/v1/market/commodities \
  -H "Authorization: Bearer {token}"

GET/v1/market/prices

Market prices

Current weighted prices per commodity, or as-of a date.

Name
commodity
Type
string
Description
Filter to one or more commodity slugs.
Name
date
Type
string
Description
ISO date — returns the price as-of that date instead of live.

Request

GET

/v1/market/prices

curl "https://api.mygrainexchange.com/v1/market/prices?commodity=wheat" \
  -H "Authorization: Bearer {token}"

Response

{
  "items": [
    {
      "commodity": { "slug": "wheat", "name": "Wheat" },
      "price": { "amount": 310.25, "currency": "CAD", "unit": "MT" },
      "previous": { "amount": 305.10, "currency": "CAD", "unit": "MT" },
      "change_pct": 1.69,
      "range": { "low": 298.0, "high": 322.5 },
      "as_of": "2026-06-18T06:00:00Z"
    }
  ]
}

GET/v1/market/prices/:commodity/history

Price history

Time series for a commodity.

Name
from
Type
string
Description
ISO date — start of range.
Name
to
Type
string
Description
ISO date — end of range.
Name
interval
Type
string
Description
day (default) or week.

Request

GET

/v1/market/prices/wheat/history

curl https://api.mygrainexchange.com/v1/market/prices/wheat/history?interval=week \
  -H "Authorization: Bearer {token}"