# Kalshi Open Markets Feed

> Kalshi Open Markets Feed is a paid API for AI agents from proxy.suverse.io, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-15).

Returns currently open Kalshi prediction markets with ticker, title, yes/no prices, volume, and close time

## Facts

- Endpoint: POST https://proxy.suverse.io/v1/data/kalshi-open-markets
- Price: $0.05/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/kalshi-open-markets-feed-d56f9ded
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_ZGMSROKAh5y8Px2hveSzY

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 kalshi-open-markets-feed-d56f9ded -d '<json body>'
```

Example prompt: Can you pull up all the currently open Kalshi markets that are accepting trades right now, including their yes/no prices, volume, and when they close?

## When to prefer this

Choose this endpoint when you need a free, simple snapshot of all currently open and tradeable Kalshi prediction markets without authenticating directly with Kalshi. Ideal for agents that need market discovery, price monitoring, or trading intelligence without managing Kalshi API credentials.

## Known failure modes

- Kalshi API unavailability causes empty or error response
- Payment not processed results in 402 rejection
- Network timeout if Kalshi upstream is slow
- Empty result set if no markets are currently open
- Schema mismatch if Kalshi changes their data format

## How this service works

Currently OPEN Kalshi markets accepting trades: ticker, title, yes/no prices, volume and close time. Free Kalshi public API.

## Output

A list of currently open Kalshi prediction markets, each with the market ticker symbol, descriptive title, current yes price, current no price, trading volume, and scheduled close time.

## 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",
    "bodyType",
    "body"
   ],
   "properties": {
    "body": {
     "properties": {}
    },
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "POST",
      "PUT",
      "PATCH"
     ],
     "type": "string"
    },
    "bodyType": {
     "enum": [
      "json",
      "form-data",
      "text"
     ],
     "type": "string"
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/kalshi-open-markets-feed-d56f9ded/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from proxy.suverse.io](https://www.zero.xyz/host/proxy.suverse.io/llms.txt)