Kalshi API endpoint
Lists older Kalshi trades that have moved into historical storage, up to `limit` rows (default 25, max 200), continued with `cursor`. Filter by market `ticker` and by created time with `min_ts` and `max_ts` (Unix seconds). Each trade has its id, count, yes and no price, taker side and created time.
/kalshi/historical/tradesQuery parameters:
limit: optional rows to return, default 25, maximum 200.cursor: optional pagination cursor from a previous Kalshi response.ticker: optional Kalshi historical market ticker filter, for example KXMVECROSSCATEGORY-S2026144E784A147-ED367B84557.min_ts: optional minimum created Unix timestamp in seconds.max_ts: optional maximum created Unix timestamp in seconds.Notable response behavior:
kalshi-trades.kalshi-historical-cutoff to understand which data has moved into historical storage.| Field | Filled in, of 20 checked | Values in the sample |
|---|---|---|
| trade_id | 20 | |
| ticker | 20 | KXELONMARS-99 in all 20 |
| created_time | 20 | 2026-08-05 to 2026-08-13 |
| created_ts | 20 | 2026-08-05 to 2026-08-13 |
| count | 20 | 1 to 121.62, median 1.08 |
| yes_price | 20 | 0.09 to 0.11, median 0.1 |
| no_price | 20 | 0.89 to 0.91, median 0.9 |
| taker_side | 20 | no (15), yes (5) |
| taker_outcome_side | 20 | no (15), yes (5) |
| taker_book_side | 20 | ask (15), bid (5) |
| Parameter | Type | Required | Default | Description | Example |
|---|---|---|---|---|---|
| limit | integer | No | Rows to return, default 25, max 200 | ||
| cursor | string | No | Pagination cursor from a previous Kalshi response | ||
| ticker | string | No | Kalshi market ticker filter | ||
| min_ts | integer | No | Minimum created Unix timestamp in seconds | ||
| max_ts | integer | No | Maximum created Unix timestamp in seconds | ||
| x-api-key (header) | string | Yes | API key required |
curl -X GET "https://api.crawlora.net/api/v1/kalshi/historical/trades?limit=10" \ -H "x-api-key: $CRAWLORA_API_KEY"
{
"code": 200,
"msg": "OK",
"data": {
"limit": 3,
"ticker": "KXMVECROSSCATEGORY-S2026144E784A147-ED367B84557",
"trades": [
{
"trade_id": "13167357-1056-693e-1854-fe51fee81343",
"ticker": "KXMVECROSSCATEGORY-S2026144E784A147-ED367B84557",
"created_time": "2026-04-07T23:33:35Z",
"count": 183,
"yes_price": 0.259,
"no_price": 0.741,
"taker_side": "yes",
"taker_book_side": "bid"
}
]
}
}Request schema
No body schema
Response schema
#/definitions/kalshi.historicalTradesResponseDoc
| Field | Type | Required | Enum | Bounds | Example | Description |
|---|---|---|---|---|---|---|
| code | integer | No | 200 | |||
| data | kalshi.HistoricalTradesResponse | No | ||||
| data.cursor | string | No | Cursor to pass in the next request to get the following page. Omitted when Kalshi returns none. | |||
| data.fetched_at | string | No | 2026-06-07T14:00:00Z | Time the data was fetched, in UTC (RFC 3339). | ||
| data.limit | integer | No | 25 | Number of trades requested per page. | ||
| data.max_ts | integer | No | 1775689200 | Latest trade creation time that was requested, in Unix seconds. | ||
| data.min_ts | integer | No | 1775602800 | Earliest trade creation time that was requested, in Unix seconds. | ||
| data.source_url | string | No | https://external-api.kalshi.com/trade-api/v2/historical/trades?limit=25 | URL the data was read from. | ||
| data.ticker | string | No | KXMVECROSSCATEGORY-S2026144E784A147-ED367B84557 | Market ticker the trades were filtered by. Omitted when no ticker filter was used. | ||
| data.trades | array | No | Historical trades on this page. | |||
| data.trades[].count | number | No | 2 | Number of contracts traded. | ||
| data.trades[].created_time | string | No | 2026-06-07T07:23:05Z | Time the trade was created, in UTC (RFC 3339). | ||
| data.trades[].created_ts | integer | No | 1780816985 | Time the trade was created, in Unix seconds. | ||
| data.trades[].is_block_trade | boolean | No | false | Whether the trade was a block trade. | ||
| data.trades[].no_price | number | No | 0.91 | Trade price of the No contract, in US dollars. | ||
| data.trades[].taker_book_side | string | No | ask | Order book side of the taker's order, such as `bid` or `ask`. | ||
| data.trades[].taker_outcome_side | string | No | no | Outcome side of the taker's order, such as `yes` or `no`. | ||
| data.trades[].taker_side | string | No | no | Side the taker traded, `yes` or `no`. | ||
| data.trades[].ticker | string | No | KXELONMARS-99 | Ticker of the market the trade happened in. | ||
| data.trades[].trade_id | string | No | 9126fe1f-7233-7c75-2c37-06ce7841bbe3 | Kalshi identifier of the trade. | ||
| data.trades[].yes_price | number | No | 0.09 | Trade price of the Yes contract, in US dollars. | ||
| msg | string | No | OK |
| Status | Description | Schema |
|---|---|---|
| 400 | Bad Request | #/definitions/app.Response |
| 404 | Not Found | #/definitions/app.Response |
| 429 | Too Many Requests | #/definitions/app.Response |
| 500 | Internal Server Error | #/definitions/app.Response |
| 503 | Service Unavailable | #/definitions/app.Response |
Use environment variables for secrets and keep Crawlora API keys server-side.
curl -X GET "https://api.crawlora.net/api/v1/kalshi/historical/trades?limit=10" \
-H "x-api-key: $CRAWLORA_API_KEY"