$ man kalshi-markets
/kalshi-markets(1)
PRICE / CALL
$0.005
USDC · base mainnet · scheme: exact
METHOD
POST
CLUSTER
edgefinanceCATEGORY
uncategorized
STATUS
● live
NAME
kalshi-markets — kalshi markets / event contracts / kalshi api / cftc-regulated prediction markets / kalshi browse / kalshiex markets list
SYNOPSIS
POST https://x402.org/v1/kalshi-markets
Content-Type: application/json
X-PAYMENT: <signed-transferWithAuthorization>
{ ... }↳ first call →
402 Payment Required. Sign USDCtransferWithAuthorization, retry with theX-PAYMENT header.DESCRIPTION
Kalshi markets / event contracts / Kalshi API / CFTC-regulated prediction markets / Kalshi browse / KalshiEX markets list. Pulls live markets from api.elections.kalshi.com with filter by status, series ticker, event ticker, free-text query, minimum volume. Prices converted from cents to 0-1 probabilities for easy cross-venue compare. DATA only — no order entry.
INPUT — request schema
| property | type | description | req? |
|---|---|---|---|
| query | string | Free-text filter on title / ticker / subtitle / event_ticker (substring). | optional |
| series_ticker | string | Filter by series (e.g. 'KXELONMARS'). | optional |
| event_ticker | string | Filter by event ticker. | optional |
| status | string | Default 'open'. enum: open · closed · settled · active | optional |
| limit | number | 1-200. Default 50. | optional |
| cursor | string | Pagination cursor from previous response. | optional |
| min_volume | number | Minimum 24-hr volume filter (server-side, on returned page). | optional |
OUTPUT — response shape
| field | type | description |
|---|---|---|
| markets | string | Array of Kalshi markets with ticker, title, status, volume, and yes/no prices converted to 0-1 probabilities. |
| count | string | Number of markets returned in this response after applying status, ticker, query, and minimum-volume filters. |
| cursor | string | Pagination cursor from Kalshi's API; pass back on the next call to fetch the following page of markets. |
| attribution | string | Source credit string pointing to Kalshi (api.elections.kalshi.com) as the upstream data provider. |
EXAMPLES — two ways to call
EXAMPLE 1 · curl
curl -X POST https://x402.org/v1/kalshi-markets \
-H 'Content-Type: application/json' \
-d '{ }'first response =
402 Payment Required with payment requirements; sign + retry with X-PAYMENT.EXAMPLE 2 · mcp
# install once claude mcp add x402 --command "npx x402-deployer-mcp" # then ask Claude Code: # "use the kalshi-markets tool to ..."
MCP server handles payment automatically — your coding agent just calls the tool by name.
METADATA
- tags
- prediction-marketskalshievent-contractsedge-financemarket-dataprobabilitieskalshiex
- methods
- POST
- cluster
- edgefinance
- price
- $0.005 USDC per call
ADJACENT — other endpoints in edgefinance
| endpoint | description | price |
|---|---|---|
| polymarket-leaderboard | Polymarket leaderboard / top traders / profit leaderboard / Polymarket whales / volume leaderboard / prediction market rankings. | $0.005 |
| polymarket-markets | Polymarket markets / prediction market data / Polymarket API / list active prediction markets / crypto-settled betting odds / event odds… | $0.005 |
| polymarket-trades | Polymarket trades / recent prediction market trades / on-chain bet history / Polymarket trade feed / Polymarket data API. | $0.005 |
| exchange-rates | FX rates / forex / currency converter / USD to EUR / ECB rates / historical exchange rates. | $0.002 |
| insider-form-4 | SEC Form 4 (insider transactions) normalizer. | $0.01 |
| insider-trading | Insider trading feed. | $0.01 |
| sec-filing | SEC EDGAR filing fetcher + parser + summarizer. | $0.01 |
| bls-occupational-stats | BLS Public Data API — wages, employment levels, growth by series ID. | $0.02 |
SEE ALSO