API reference · Markets

List event markets

GET/v1/markets

The markets attached to recorded live events, with their rules text and the phrases they settle on.

On this page

Auth. None. Without a token the call is served as Free (the Free delay and request budget, shared per IP); send Authorization: Bearer lb_… for your plan's.

Limits. Counts against your plan's API requests (60, 600 or 3,000 a minute on Free, Builder and Standard).

Parameters

Query parameters

Name	Type	Required	Description
`q`	string	no	Free text over the ticker and title.
`venue`	string	no	`kalshi` or `polymarket`.
`status`	string	no	`open`, `closed`, `settled` or `all`. Default `open`.
`event_id`	string	no	Only the markets of this event (`ev_…`).
`speaker`	string	no	Only the markets on this speaker key (for example `powell`).
`limit`	integer	no	Page size. 1 to 1000. Default `200`.

Request

Terminal

curl "https://api.langbot.ai/v1/markets?status=open&limit=1"

Python

from langbot import LangbotClient

async with LangbotClient() as lb:
    for m in await lb.markets(status="open"):
        print(m.ticker, m.phrases)

TypeScript

import { LangbotClient } from "@langbotai/sdk";

const lb = new LangbotClient();
const markets = await lb.markets({ status: "open" });
console.log(markets.length);

Response

200 OK

JSON

{
  "count": 1,
  "markets": [
    {
      "ticker": "pm_5532353",
      "venue": "polymarket",
      "event_id": "ev_pm_what_will_the_announcers_say_during_the_49ers_vs_seahawks_game_20261011",
      "title": "Will the announcers say \"One Handed\" during the 49ers vs Seahawks game?",
      "rules_text": "This market will resolve to \"Yes\" if the listed term is mentioned by a play-by-play announcer or a game analyst of the official FOX announce team during the…",
      "phrases": ["one handed"],
      "status": "open",
      "close_ts": 1791750600000
    }
  ]
}

A real response from the API; long lists are cut to their first items.

For every listed market with its price history, use List markets. This list never carries order-book data.

Errors

Status	`code`	When
401	`token_invalid`	A token was sent and not recognised. Send a valid one, or none to call anonymously.
422	`validation_error`	A parameter failed validation; `detail[].loc` names it.
429	`rate_limited`	Over your request budget; wait `Retry-After` seconds.

Every error body is {"detail": …, "code": "…"}; branch on code. All codes: Errors.