curl --request POST \
  --url https://api.perpetuals.polymarket.com/v1/account/internal-transfer \
  --header 'Content-Type: application/json' \
  --data '
{
  "op": {
    "type": "internalTransfer",
    "args": {
      "account": "0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266",
      "token": "0xaf88d065e77c8cc2239327c5edb3a432268e5831",
      "amount": "100.00",
      "to": "0x70997970C51812dc3A010C7d01b50e0d17dc79C8"
    }
  },
  "sig": "0x5a6b7c8d9e0f1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e4f5a6b7c8d9e0f1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e4f5a1c",
  "salt": 555555555,
  "ts": 1767000014000,
  "label": "ops-rebalance"
}
'

import requests

url = "https://api.perpetuals.polymarket.com/v1/account/internal-transfer"

payload = {
    "op": {
        "type": "internalTransfer",
        "args": {
            "account": "0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266",
            "token": "0xaf88d065e77c8cc2239327c5edb3a432268e5831",
            "amount": "100.00",
            "to": "0x70997970C51812dc3A010C7d01b50e0d17dc79C8"
        }
    },
    "sig": "0x5a6b7c8d9e0f1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e4f5a6b7c8d9e0f1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e4f5a1c",
    "salt": 555555555,
    "ts": 1767000014000,
    "label": "ops-rebalance"
}
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: 'internalTransfer',
      args: {
        account: '0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266',
        token: '0xaf88d065e77c8cc2239327c5edb3a432268e5831',
        amount: '100.00',
        to: '0x70997970C51812dc3A010C7d01b50e0d17dc79C8'
      }
    },
    sig: '0x5a6b7c8d9e0f1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e4f5a6b7c8d9e0f1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e4f5a1c',
    salt: 555555555,
    ts: 1767000014000,
    label: 'ops-rebalance'
  })
};

fetch('https://api.perpetuals.polymarket.com/v1/account/internal-transfer', 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/internal-transfer",
  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' => 'internalTransfer',
        'args' => [
                'account' => '0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266',
                'token' => '0xaf88d065e77c8cc2239327c5edb3a432268e5831',
                'amount' => '100.00',
                'to' => '0x70997970C51812dc3A010C7d01b50e0d17dc79C8'
        ]
    ],
    'sig' => '0x5a6b7c8d9e0f1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e4f5a6b7c8d9e0f1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e4f5a1c',
    'salt' => 555555555,
    'ts' => 1767000014000,
    'label' => 'ops-rebalance'
  ]),
  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/internal-transfer"

	payload := strings.NewReader("{\n  \"op\": {\n    \"type\": \"internalTransfer\",\n    \"args\": {\n      \"account\": \"0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266\",\n      \"token\": \"0xaf88d065e77c8cc2239327c5edb3a432268e5831\",\n      \"amount\": \"100.00\",\n      \"to\": \"0x70997970C51812dc3A010C7d01b50e0d17dc79C8\"\n    }\n  },\n  \"sig\": \"0x5a6b7c8d9e0f1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e4f5a6b7c8d9e0f1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e4f5a1c\",\n  \"salt\": 555555555,\n  \"ts\": 1767000014000,\n  \"label\": \"ops-rebalance\"\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/internal-transfer")
  .header("Content-Type", "application/json")
  .body("{\n  \"op\": {\n    \"type\": \"internalTransfer\",\n    \"args\": {\n      \"account\": \"0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266\",\n      \"token\": \"0xaf88d065e77c8cc2239327c5edb3a432268e5831\",\n      \"amount\": \"100.00\",\n      \"to\": \"0x70997970C51812dc3A010C7d01b50e0d17dc79C8\"\n    }\n  },\n  \"sig\": \"0x5a6b7c8d9e0f1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e4f5a6b7c8d9e0f1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e4f5a1c\",\n  \"salt\": 555555555,\n  \"ts\": 1767000014000,\n  \"label\": \"ops-rebalance\"\n}")
  .asString();

require 'uri'
require 'net/http'

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

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\": \"internalTransfer\",\n    \"args\": {\n      \"account\": \"0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266\",\n      \"token\": \"0xaf88d065e77c8cc2239327c5edb3a432268e5831\",\n      \"amount\": \"100.00\",\n      \"to\": \"0x70997970C51812dc3A010C7d01b50e0d17dc79C8\"\n    }\n  },\n  \"sig\": \"0x5a6b7c8d9e0f1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e4f5a6b7c8d9e0f1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e4f5a1c\",\n  \"salt\": 555555555,\n  \"ts\": 1767000014000,\n  \"label\": \"ops-rebalance\"\n}"

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

{
  "status": "ok",
  "transfer_id": 123
}

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

{
  "status": "err",
  "transfer_id": 123,
  "error": "insufficient_margin"
}

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

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