# 2s Kalshi Markets Lookup

> 2s Kalshi Markets Lookup is a paid API for AI agents from 2s.io, paid per call via x402, $0.0025/call, status unknown (last checked 2026-09-15).

Retrieves a paginated list of Kalshi prediction market contracts, filterable by status, ticker, event, or series.

## Facts

- Endpoint: GET https://2s.io/api/predict/kalshi-markets
- Price: $0.0025/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/2s-kalshi-markets-lookup-f44aab9e
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_02Bfbm-fQrTyVYkNKhg4P

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability 2s-kalshi-markets-lookup-f44aab9e
```

Example prompt: Pull up to 50 open Kalshi prediction markets for the event ticker 'PRES-2024' and show me what's available.

## When to prefer this

Use this endpoint when you need to programmatically discover or browse Kalshi prediction market listings without signing up or managing API keys — especially useful for agents needing ground-truth contract data paid per-call via USDC with no subscription overhead.

## Known failure modes

- Invalid or unknown ticker returns empty results
- Invalid status enum value returns a validation error
- Cursor value malformed or expired returns pagination error
- Limit out of range (below 1 or above 100) returns a validation error
- Network or upstream Kalshi API unavailability returns a service error

## How this service works

Browse Kalshi regulated prediction markets. Filter by status (open/closed/settled), event_ticker, series_ticker, or specific tickers; page with limit + cursor. Each market returns yes/no bid+ask and last price (in dollars, 0-1 = implied probability), 24h + total volume, liquidity, open interest, open/close times, and result if settled. Read-only mirror of Kalshi's market list (no Kalshi key needed).

## Output

A paginated list of Kalshi market objects including tickers, status, event details, series information, and a cursor for fetching the next page of results.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method",
    "queryParams"
   ],
   "properties": {
    "type": {
     "const": "http"
    },
    "method": {
     "const": "GET"
    },
    "queryParams": {
     "type": "object",
     "properties": {
      "limit": {
       "type": "integer",
       "maximum": 100,
       "minimum": 1
      },
      "cursor": {
       "type": "string",
       "maxLength": 400
      },
      "status": {
       "enum": [
        "unopened",
        "open",
        "closed",
        "settled"
       ],
       "type": "string"
      },
      "tickers": {
       "type": "string",
       "maxLength": 400,
       "description": "Comma-separated tickers."
      },
      "eventTicker": {
       "type": "string",
       "maxLength": 120
      },
      "seriesTicker": {
       "type": "string",
       "maxLength": 120
      }
     },
     "additionalProperties": false
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/2s-kalshi-markets-lookup-f44aab9e/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from 2s.io](https://www.zero.xyz/host/2s.io/llms.txt)