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GET
/
v1
/
info
/
book
Get Book
curl --request GET \
  --url https://api.perpetuals.polymarket.com/v1/info/book
import requests

url = "https://api.perpetuals.polymarket.com/v1/info/book"

response = requests.get(url)

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

fetch('https://api.perpetuals.polymarket.com/v1/info/book', 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.perpetuals.polymarket.com/v1/info/book",
  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.perpetuals.polymarket.com/v1/info/book"

	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.perpetuals.polymarket.com/v1/info/book")
  .asString();
require 'uri'
require 'net/http'

url = URI("https://api.perpetuals.polymarket.com/v1/info/book")

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
{
  "instrument_id": 123,
  "bids": [
    [
      "100.00",
      "10.00"
    ]
  ],
  "asks": [
    [
      "100.00",
      "10.00"
    ]
  ],
  "timestamp": 1767225600000,
  "sequence": 1234567890
}
{
  "status": "err",
  "error": "insufficient_margin"
}
{
  "status": "err",
  "error": "insufficient_margin"
}
{
  "status": "err",
  "error": "insufficient_margin"
}
Request Weight:
Depth 10: 2
Depth 100: 5
Depth 500: 10
Depth 1000: 20

Query Parameters

​
instrument_id
integer
required

Instrument ID

​
depth
enum<integer>
default:100

Number of book levels to return

Available options:
10,
100,
500,
1000

Response

Book response.

​
instrument_id
integer
required

Instrument ID

​
bids
string[][]
required

Bid levels

  • "100.00" - Price
  • "10.00" - Quantity
Maximum array length: 2
Example:
["100.00", "10.00"]
​
asks
string[][]
required

Ask levels

  • "100.00" - Price
  • "10.00" - Quantity
Maximum array length: 2
Example:
["100.00", "10.00"]
​
timestamp
integer
required

Timestamp in milliseconds

Example:

1767225600000

​
sequence
integer
required

Sequence number

Example:

1234567890