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GET
/
v1
/
markets
List prediction markets
curl --request GET \
  --url https://api.rekko.ai/v1/markets
import requests

url = "https://api.rekko.ai/v1/markets"

response = requests.get(url)

print(response.text)
const options = {method: 'GET'};

fetch('https://api.rekko.ai/v1/markets', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));
<?php

$curl = curl_init();

curl_setopt_array($curl, [
CURLOPT_URL => "https://api.rekko.ai/v1/markets",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "GET",
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}
package main

import (
"fmt"
"net/http"
"io"
)

func main() {

url := "https://api.rekko.ai/v1/markets"

req, _ := http.NewRequest("GET", url, nil)

res, _ := http.DefaultClient.Do(req)

defer res.Body.Close()
body, _ := io.ReadAll(res.Body)

fmt.Println(string(body))

}
HttpResponse<String> response = Unirest.get("https://api.rekko.ai/v1/markets")
.asString();
require 'uri'
require 'net/http'

url = URI("https://api.rekko.ai/v1/markets")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Get.new(url)

response = http.request(request)
puts response.read_body
[
  {
    "also_on": {
      "coinbase": "https://www.coinbase.com/predictions/event/KXFED-26MAR19"
    },
    "category": "economics",
    "liquidity": 85000,
    "market_id": "KXFED-26MAR19",
    "open_interest": 312000,
    "platform": "kalshi",
    "resolution_date": "2026-03-19T20:00:00Z",
    "title": "Will the Fed cut rates at the March 2026 meeting?",
    "updated_at": "2026-03-21T14:30:00Z",
    "url": "https://kalshi.com/markets/kxfed/kxfed-26mar19",
    "volume_24h": 142350,
    "yes_price": 0.62
  }
]
{
"detail": [
{
"loc": [
"<string>"
],
"msg": "<string>",
"type": "<string>",
"input": "<unknown>",
"ctx": {}
}
]
}

Query Parameters

source
string
default:""

Filter by platform

Maximum string length: 20
Pattern: ^(kalshi|polymarket|robinhood|)$
query
string
default:""

Search markets by keyword in title (case-insensitive)

Maximum string length: 500
limit
integer
default:30

Maximum markets to return

Required range: 1 <= x <= 100

Response

Successful Response

platform
string
required

kalshi, polymarket, robinhood, or coinbase

market_id
string
required

Platform-specific identifier (ticker or numeric ID)

title
string
required

Market question / title

yes_price
number
required

Current YES price (probability)

Required range: 0 <= x <= 1
updated_at
string<date-time>
required

When this data was last refreshed

url
string
default:""

Public URL on the source platform

category
string
default:""

Market category if known

also_on
Also On · object

Cross-platform URLs for the same market (e.g. coinbase, robinhood)

volume_24h
number
default:0

24h trading volume in USD

Required range: x >= 0
liquidity
number | null

Current liquidity in USD

Required range: x >= 0
open_interest
number | null

Open interest in USD

Required range: x >= 0
resolution_date
string | null

Expected resolution date (ISO 8601)

event_slug
string | null

Parent event identifier (groups related markets)

event_title
string | null

Parent event title (e.g., 'Who will leave the Trump administration?')