List reference rates (snapshot)

/api/v1/public/ratesGET

Returns the {data, meta} envelope. This list is not paginated: it returns one response bounded by its own limit, so meta.total is the number of rows in this response rather than a count of everything that could match, and has_next is always false.

Response

200 · List of rate summaries

data *object[]

Show item properties

rate_id?string

Stable identifier for the reference rate (for example adj_redp). Use it as the {id} path parameter on the rate detail and price endpoints.

name?string

Full display name of the reference rate.

methodology?string

How the rate blends its source market prices into a single value: volume_weighted_average, simple_average, or median.

sources_count?integer

Number of source markets configured for this rate. For a rolling rate this can differ from the number of entries in sources, which lists only the markets behind the latest computed value.

latest_price?numbernull

Most recent rate value on the 0-100 scale, where 52.4 means 52.4 percent. Omitted when the rate has no computed value yet.

spread?numbernull

Dispersion across the rate's source markets at the latest computed value: the highest source price minus the lowest, in points on the 0-100 scale. This is a measure of source disagreement, not a bid/ask spread.

previous_close_1d?numbernull

The rate value at the previous daily close, meaning the last completed daily close before the current day in US Eastern time, not a rolling 24-hour window.

sources?object[]

Source markets feeding the rate. Returned by GET /api/v1/public/rates so clients can resolve a market's rates in one call; absent on the authenticated paginated list.

Show item properties

market_id?string

Identifier of the source market, prefixed with its venue (for example kalshi:KXPRESPARTY-2028-R). Use it to look the market up on the markets endpoints.

display_ticker?string

Human-readable market label — Polymarket market slug when present, else the raw ticker.

platform?string

Venue the source market trades on, lowercase: kalshi or polymarket. Identical on both tiers.

weight?number

This market's share of the rate value at the latest computed value, as a fraction. Weights across sources are normalized to sum to 1, so a two-market equal blend reads 0.5 each and a rolling rate part-way through a roll shows fractional shares.

question?stringnull

The source market's question text. Omitted when no question is available for the market.

latest_price?numbernull

The source market's price as it entered the latest computed rate value, on the 0-100 scale. This is the price the rate actually used, which can lag the market's current price.

end_date?string,null (date-time)

When the source market's contract expires or settles. Omitted when the market has no end date.

is_active?booleannull

Whether the source market's contract is still open, derived from end_date at read time. A source with no end date is open-ended and reports true. Identical on both tiers.

meta *object

Request example

curl -X GET "https://api.dev.adjacent.markets/api/v1/public/rates"

Response example

{
  "data": [
    {
      "rate_id": "adj_bluh",
      "name": "Democratic House",
      "methodology": "simple_average",
      "sources_count": 1,
      "latest_price": 83.5,
      "previous_close_1d": 83.5,
      "spread": 0,
      "sources": [
        {
          "market_id": "kalshi:CONTROLH-2026-D",
          "display_ticker": "CONTROLH-2026-D",
          "platform": "kalshi",
          "weight": 1,
          "question": "Will Democrats win the House in 2026?",
          "latest_price": 83.5,
          "end_date": "2027-02-01T15:00:00Z",
          "is_active": true
        }
      ]
    }
  ],
  "meta": {
    "total": 8,
    "page": 1,
    "per_page": 1,
    "total_pages": 8,
    "has_next": true,
    "has_prev": false
  }
}