curl --request POST \
  --url https://api.perpetuals.polymarket.com/v1/account/proxy \
  --header 'Content-Type: application/json' \
  --data '
{
  "op": {
    "type": "createProxy",
    "args": {
      "owner": "0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266",
      "proxy": "0x70997970C51812dc3A010C7d01b50e0d17dc79C8",
      "expiry": 1767225600000
    }
  },
  "sig": "0x4d11d89f6d8e2f0fd22fb5dd9e6e88a35f3a2c0f3a9e4ff9f8f0da5e6c5f241d2ed7d173f7fcb15726b8a7e7f1f1277ec54c060f5b3ab4d72dbf4d0e40ee6e9a1c",
  "salt": 123456789,
  "ts": 1767000000000
}
'

import requests

url = "https://api.perpetuals.polymarket.com/v1/account/proxy"

payload = {
    "op": {
        "type": "createProxy",
        "args": {
            "owner": "0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266",
            "proxy": "0x70997970C51812dc3A010C7d01b50e0d17dc79C8",
            "expiry": 1767225600000
        }
    },
    "sig": "0x4d11d89f6d8e2f0fd22fb5dd9e6e88a35f3a2c0f3a9e4ff9f8f0da5e6c5f241d2ed7d173f7fcb15726b8a7e7f1f1277ec54c060f5b3ab4d72dbf4d0e40ee6e9a1c",
    "salt": 123456789,
    "ts": 1767000000000
}
headers = {"Content-Type": "application/json"}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    op: {
      type: 'createProxy',
      args: {
        owner: '0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266',
        proxy: '0x70997970C51812dc3A010C7d01b50e0d17dc79C8',
        expiry: 1767225600000
      }
    },
    sig: '0x4d11d89f6d8e2f0fd22fb5dd9e6e88a35f3a2c0f3a9e4ff9f8f0da5e6c5f241d2ed7d173f7fcb15726b8a7e7f1f1277ec54c060f5b3ab4d72dbf4d0e40ee6e9a1c',
    salt: 123456789,
    ts: 1767000000000
  })
};

fetch('https://api.perpetuals.polymarket.com/v1/account/proxy', 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/account/proxy",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'op' => [
        'type' => 'createProxy',
        'args' => [
                'owner' => '0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266',
                'proxy' => '0x70997970C51812dc3A010C7d01b50e0d17dc79C8',
                'expiry' => 1767225600000
        ]
    ],
    'sig' => '0x4d11d89f6d8e2f0fd22fb5dd9e6e88a35f3a2c0f3a9e4ff9f8f0da5e6c5f241d2ed7d173f7fcb15726b8a7e7f1f1277ec54c060f5b3ab4d72dbf4d0e40ee6e9a1c',
    'salt' => 123456789,
    'ts' => 1767000000000
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.perpetuals.polymarket.com/v1/account/proxy"

	payload := strings.NewReader("{\n  \"op\": {\n    \"type\": \"createProxy\",\n    \"args\": {\n      \"owner\": \"0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266\",\n      \"proxy\": \"0x70997970C51812dc3A010C7d01b50e0d17dc79C8\",\n      \"expiry\": 1767225600000\n    }\n  },\n  \"sig\": \"0x4d11d89f6d8e2f0fd22fb5dd9e6e88a35f3a2c0f3a9e4ff9f8f0da5e6c5f241d2ed7d173f7fcb15726b8a7e7f1f1277ec54c060f5b3ab4d72dbf4d0e40ee6e9a1c\",\n  \"salt\": 123456789,\n  \"ts\": 1767000000000\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Content-Type", "application/json")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://api.perpetuals.polymarket.com/v1/account/proxy")
  .header("Content-Type", "application/json")
  .body("{\n  \"op\": {\n    \"type\": \"createProxy\",\n    \"args\": {\n      \"owner\": \"0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266\",\n      \"proxy\": \"0x70997970C51812dc3A010C7d01b50e0d17dc79C8\",\n      \"expiry\": 1767225600000\n    }\n  },\n  \"sig\": \"0x4d11d89f6d8e2f0fd22fb5dd9e6e88a35f3a2c0f3a9e4ff9f8f0da5e6c5f241d2ed7d173f7fcb15726b8a7e7f1f1277ec54c060f5b3ab4d72dbf4d0e40ee6e9a1c\",\n  \"salt\": 123456789,\n  \"ts\": 1767000000000\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.perpetuals.polymarket.com/v1/account/proxy")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"op\": {\n    \"type\": \"createProxy\",\n    \"args\": {\n      \"owner\": \"0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266\",\n      \"proxy\": \"0x70997970C51812dc3A010C7d01b50e0d17dc79C8\",\n      \"expiry\": 1767225600000\n    }\n  },\n  \"sig\": \"0x4d11d89f6d8e2f0fd22fb5dd9e6e88a35f3a2c0f3a9e4ff9f8f0da5e6c5f241d2ed7d173f7fcb15726b8a7e7f1f1277ec54c060f5b3ab4d72dbf4d0e40ee6e9a1c\",\n  \"salt\": 123456789,\n  \"ts\": 1767000000000\n}"

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

{
  "status": "ok",
  "secret": "wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY"
}

{
  "status": "err",
  "error": "insufficient_margin"
}

{
  "status": "err",
  "error": "insufficient_margin"
}

{
  "status": "err",
  "error": "insufficient_margin"
}

{
  "status": "err",
  "error": "insufficient_margin"
}