ADDR=0x742d35Cc6634C0532925a3b844Bc9e7595f0bEb

# First page: newest 1000 (the default — no `limit` needed).
curl "https://api.arcus.xyz/v1/openOrders?address=${ADDR}"

# Next page: the oldest createdAt from the response, sent verbatim.
curl "https://api.arcus.xyz/v1/openOrders?address=${ADDR}&to=1785801600123456"

import requests

ADDR = "0x742d35Cc6634C0532925a3b844Bc9e7595f0bEb"
URL = "https://api.arcus.xyz/v1/openOrders"

seen, to = {}, None
while True:
    params = {"address": ADDR}
    if to is not None:
        params["to"] = to
    page = requests.get(URL, params=params).json()["orders"]
    for o in page:
        seen[o["orderId"]] = o      # dedupes the boundary overlap
    if len(page) < 1000:
        break
    to = page[-1]["createdAt"]      # same unit as the bound

print(len(seen))

const ADDR = "0x742d35Cc6634C0532925a3b844Bc9e7595f0bEb";
const seen = new Map();
let to;

for (;;) {
  const url = new URL("https://api.arcus.xyz/v1/openOrders");
  url.searchParams.set("address", ADDR);
  if (to !== undefined) url.searchParams.set("to", String(to));

  const { orders } = await (await fetch(url)).json();
  for (const o of orders) seen.set(o.orderId, o); // dedupe overlap
  if (orders.length < 1000) break;

  // createdAt and `to` are both microseconds — echo it back as-is.
  to = orders[orders.length - 1].createdAt;
}

console.log(seen.size);

const options = {method: 'GET'};

fetch('https://api.arcus.xyz/v1/openOrders', 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/openOrders",
  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/openOrders"

	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/openOrders")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.arcus.xyz/v1/openOrders")

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

{
  "orders": [
    {
      "orderId": "<string>",
      "marketId": 32767,
      "marketDisplayName": "<string>",
      "price": "<string>",
      "originalSize": "<string>",
      "remainingSize": "<string>",
      "updatedAt": 123,
      "clientId": "<string>",
      "filledSize": "<string>",
      "avgFillPrice": "<string>",
      "goodTilTime": "<string>",
      "reduceOnly": true,
      "triggerPrice": "<string>",
      "isPositionTPSL": true,
      "parentOrderId": "<string>",
      "createdAt": 123,
      "sequenceNumber": 123
    }
  ]
}

{
  "error": "<string>",
  "code": "GEO_RESTRICTED"
}

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