curl https://api.arcus.xyz/v1/markets
curl "https://api.arcus.xyz/v1/markets?market=BTC-USD"

import requests
r = requests.get(
    "https://api.arcus.xyz/v1/markets",
    params={"market": "BTC-USD"},
)
print(r.json())

const url = new URL("https://api.arcus.xyz/v1/markets");
url.searchParams.set("market", "BTC-USD");
const res = await fetch(url);
console.log(await res.json());

const options = {method: 'GET'};

fetch('https://api.arcus.xyz/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.arcus.xyz/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.arcus.xyz/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.arcus.xyz/v1/markets")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.arcus.xyz/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

{
  "markets": [
    {
      "marketDisplayName": "BTC-USD",
      "marketId": 32767,
      "status": "ONLINE",
      "baseAsset": "BTC",
      "quoteAsset": "USD",
      "tickSize": "<string>",
      "stepSize": "<string>",
      "tickTiers": [
        {
          "tick": "<string>",
          "upToPrice": "<string>"
        }
      ],
      "minOrderNotional": "5",
      "minOrderSize": "0.0001",
      "maxOrderSize": "10000",
      "regularTradingHours": {
        "startSecondsOfDay": 123,
        "endSecondsOfDay": 123,
        "timezone": "America/New_York",
        "isOvernight": true
      },
      "isOutsideRth": true,
      "currentSettlementPrice": "<string>",
      "upperTradingBound": "<string>",
      "lowerTradingBound": "<string>",
      "nextUpperTradingBound": "<string>",
      "nextLowerTradingBound": "<string>",
      "isUpperInExpansionZone": true,
      "isLowerInExpansionZone": true,
      "upperZoneEnteredAt": 123,
      "upperExpectedExpansionAt": 123,
      "lowerZoneEnteredAt": 123,
      "lowerExpectedExpansionAt": 123,
      "markTier": "STANDARD",
      "type": "PERPETUAL",
      "category": "CRYPTO",
      "addedTimestamp": 123,
      "baseMakerFeePpm": 123,
      "baseTakerFeePpm": 123,
      "hasCustomFeeSchedule": true,
      "effectiveMakerFeePpm": 123,
      "effectiveTakerFeePpm": 123,
      "feeTiers": [
        {
          "level": 123,
          "makerFeePpm": 123,
          "takerFeePpm": 123
        }
      ],
      "fullAssetName": "Bitcoin",
      "oraclePrice": "<string>",
      "markPrice": "<string>",
      "lastTradePrice": "83146.8",
      "fundingRate": "<string>",
      "nextFundingRate": "<string>",
      "nextFundingAt": 123,
      "priceChange24h": "<string>",
      "volume24h": "<string>",
      "volume24hNotional": "<string>",
      "high24h": "<string>",
      "low24h": "<string>",
      "trades24h": 123,
      "openInterest": "<string>",
      "openInterestCapNotional": "50000000",
      "liquidationFeePpm": 10000,
      "initialMarginFraction": "<string>",
      "maintenanceMarginFraction": "<string>",
      "offHoursInitialMarginFraction": "<string>",
      "assetResolution": "<string>",
      "pythId": "<string>",
      "upcomingCorporateActions": [
        {
          "id": "CA-PMGAFX71TX2HJM3Y",
          "sourceId": "ca-01m14cxqtkenq8n0qvdc3rxx2m",
          "marketId": 32767,
          "marketDisplayName": "BTC-USD",
          "type": "SPLIT",
          "status": "ANNOUNCED",
          "version": 2,
          "updatedAt": "2026-11-06T14:00:00Z",
          "statusUpdatedAt": "2026-11-06T14:00:00Z",
          "exDate": "2026-11-20",
          "effectiveTime": "2026-11-20T01:05:00Z",
          "ratioNumerator": 8,
          "ratioDenominator": 1,
          "grossAmount": "0.27",
          "netAmount": "0.2295",
          "recordDate": "2026-11-13",
          "payDate": "2026-11-30"
        }
      ]
    }
  ]
}

{
  "error": "Invalid request body",
  "code": "GEO_RESTRICTED"
}

{
  "error": "rate limited",
  "reason": "account_empty",
  "retryAfterMs": 850,
  "clientId": "my-order-42"
}