List markets

GET

markets

List markets

curl --request GET \
  --url https://api.polyorderbooks.com/v1/markets \
  --header 'X-API-Key: <api-key>'

const options = {method: 'GET', headers: {'X-API-Key': '<api-key>'}};

fetch('https://api.polyorderbooks.com/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.polyorderbooks.com/v1/markets",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "X-API-Key: <api-key>"
  ],
]);

$response = curl_exec($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.polyorderbooks.com/v1/markets"

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

	req.Header.Add("X-API-Key", "<api-key>")

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

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

	fmt.Println(string(body))

}

require 'uri'
require 'net/http'

url = URI("https://api.polyorderbooks.com/v1/markets")

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

request = Net::HTTP::Get.new(url)
request["X-API-Key"] = '<api-key>'

response = http.request(request)
puts response.read_body

{
  "data": [
    {
      "end_date": "2025-11-05T23:59:59Z",
      "id": "618831",
      "question": "Will Candidate X win the 2025 election?",
      "slug": "will-candidate-x-win-2025",
      "start_date": "2025-09-01T00:00:00Z",
      "status": "open",
      "tokens": [
        {
          "id": "12345",
          "label": "Yes"
        },
        {
          "id": "12346",
          "label": "No"
        }
      ]
    }
  ],
  "metadata": {
    "count": 1,
    "limit": 100
  }
}

Authorizations

X-API-Key

string

header

required

Query Parameters

string

Optional case-insensitive text match for market question or slug.

Maximum string length: 200

Example:

"trump"

limit

integer

default:100

Maximum number of items returned in this page.

Required range: 1 <= x <= 1000

Example:

100

cursor

string

Opaque cursor from a previous metadata.next_cursor value.

start_date_min

string

Filter for markets with start_date greater than or equal to this ISO 8601 timestamp.

Example:

"2026-01-01T00:00:00Z"

start_date_max

string

Filter for markets with start_date less than or equal to this ISO 8601 timestamp.

Example:

"2026-12-31T23:59:59Z"

end_date_min

string

Filter for markets with end_date greater than or equal to this ISO 8601 timestamp.

Example:

"2026-01-01T00:00:00Z"

end_date_max

string

Filter for markets with end_date less than or equal to this ISO 8601 timestamp.

Example:

"2026-12-31T23:59:59Z"

Response

Paginated list of markets.

Paginated response for GET /markets.

metadata

PaginationMetadata · object

Pagination metadata.

Show child attributes

data

MarketItem · object[]

Market results for this page.

Show child attributes

⌘I

List markets

curl --request GET \
  --url https://api.polyorderbooks.com/v1/markets \
  --header 'X-API-Key: <api-key>'

const options = {method: 'GET', headers: {'X-API-Key': '<api-key>'}};

fetch('https://api.polyorderbooks.com/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.polyorderbooks.com/v1/markets",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "X-API-Key: <api-key>"
  ],
]);

$response = curl_exec($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.polyorderbooks.com/v1/markets"

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

	req.Header.Add("X-API-Key", "<api-key>")

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

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

	fmt.Println(string(body))

}

require 'uri'
require 'net/http'

url = URI("https://api.polyorderbooks.com/v1/markets")

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

request = Net::HTTP::Get.new(url)
request["X-API-Key"] = '<api-key>'

response = http.request(request)
puts response.read_body

{
  "data": [
    {
      "end_date": "2025-11-05T23:59:59Z",
      "id": "618831",
      "question": "Will Candidate X win the 2025 election?",
      "slug": "will-candidate-x-win-2025",
      "start_date": "2025-09-01T00:00:00Z",
      "status": "open",
      "tokens": [
        {
          "id": "12345",
          "label": "Yes"
        },
        {
          "id": "12346",
          "label": "No"
        }
      ]
    }
  ],
  "metadata": {
    "count": 1,
    "limit": 100
  }
}

Getting started

Discovery

Historical

Reference

Authorizations

Query Parameters

Response