Replay Book

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

import requests

url = "https://api.polysimulator.com/v1/simulation/book"

headers = {"X-API-Key": "<api-key>"}

response = requests.get(url, headers=headers)

print(response.text)

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

fetch('https://api.polysimulator.com/v1/simulation/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.polysimulator.com/v1/simulation/book",
  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.polysimulator.com/v1/simulation/book"

	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))

}

HttpResponse<String> response = Unirest.get("https://api.polysimulator.com/v1/simulation/book")
  .header("X-API-Key", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.polysimulator.com/v1/simulation/book")

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

{
  "asks": [
    {
      "price": "0.4000",
      "size": "50.0000"
    }
  ],
  "at": "2026-08-04T18:00:00Z",
  "best_ask": "0.4000",
  "best_bid": "0.3900",
  "bids": [
    {
      "price": "0.3900",
      "size": "50.0000"
    }
  ],
  "book_age_ms": 0,
  "comp_token_id": "tok_no",
  "condition_id": "0xabc123",
  "depth": 10,
  "leakage": {
    "book_depth_available": true,
    "data_source": "archive",
    "fee_model": "polymarket_v2_taker",
    "fill_model": "n/a",
    "missing_periods": []
  },
  "provenance": {
    "bbo_confidence": "high",
    "deduped_events": 0,
    "ghost_guard_triggered": false,
    "hour": "2026-08-04T18",
    "hour_status": "valid"
  },
  "token_id": "tok_yes"
}

{
  "error": "<string>",
  "message": "<string>",
  "details": {},
  "request_id": "<string>"
}

{
  "error": "<string>",
  "message": "<string>",
  "details": {},
  "request_id": "<string>"
}

{
  "error": "<string>",
  "message": "<string>",
  "details": {},
  "request_id": "<string>",
  "feature_key": "<string>",
  "upgrade_url": "<string>",
  "limit": 123
}

{
  "error": "<string>",
  "message": "<string>",
  "details": {},
  "request_id": "<string>"
}

{
  "error": "<string>",
  "message": "<string>",
  "details": {},
  "request_id": "<string>"
}

{
  "error": "<string>",
  "message": "<string>",
  "details": {},
  "request_id": "<string>"
}

{
  "error": "<string>",
  "message": "<string>",
  "details": {},
  "request_id": "<string>"
}

{
  "error": "<string>",
  "message": "<string>",
  "details": {},
  "request_id": "<string>"
}