curl --request PUT \
  --url https://controller.platform.simplecloud.app/v0/players/sessions/settings \
  --header 'Content-Type: application/json' \
  --header 'X-Network-ID: <x-network-id>' \
  --header 'X-Network-Secret: <x-network-secret>' \
  --data '
{
  "chat_colors": true,
  "chat_mode": "ENABLED",
  "client_listing_allowed": true,
  "locale": "en_US",
  "main_hand": "RIGHT",
  "skin_parts": [
    "CAPE",
    "JACKET"
  ],
  "view_distance": 12
}
'

import requests

url = "https://controller.platform.simplecloud.app/v0/players/sessions/settings"

payload = {
    "chat_colors": True,
    "chat_mode": "ENABLED",
    "client_listing_allowed": True,
    "locale": "en_US",
    "main_hand": "RIGHT",
    "skin_parts": ["CAPE", "JACKET"],
    "view_distance": 12
}
headers = {
    "X-Network-ID": "<x-network-id>",
    "X-Network-Secret": "<x-network-secret>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PUT',
  headers: {
    'X-Network-ID': '<x-network-id>',
    'X-Network-Secret': '<x-network-secret>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    chat_colors: true,
    chat_mode: 'ENABLED',
    client_listing_allowed: true,
    locale: 'en_US',
    main_hand: 'RIGHT',
    skin_parts: ['CAPE', 'JACKET'],
    view_distance: 12
  })
};

fetch('https://controller.platform.simplecloud.app/v0/players/sessions/settings', 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://controller.platform.simplecloud.app/v0/players/sessions/settings",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PUT",
  CURLOPT_POSTFIELDS => json_encode([
    'chat_colors' => true,
    'chat_mode' => 'ENABLED',
    'client_listing_allowed' => true,
    'locale' => 'en_US',
    'main_hand' => 'RIGHT',
    'skin_parts' => [
        'CAPE',
        'JACKET'
    ],
    'view_distance' => 12
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "X-Network-ID: <x-network-id>",
    "X-Network-Secret: <x-network-secret>"
  ],
]);

$response = curl_exec($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://controller.platform.simplecloud.app/v0/players/sessions/settings"

	payload := strings.NewReader("{\n  \"chat_colors\": true,\n  \"chat_mode\": \"ENABLED\",\n  \"client_listing_allowed\": true,\n  \"locale\": \"en_US\",\n  \"main_hand\": \"RIGHT\",\n  \"skin_parts\": [\n    \"CAPE\",\n    \"JACKET\"\n  ],\n  \"view_distance\": 12\n}")

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

	req.Header.Add("X-Network-ID", "<x-network-id>")
	req.Header.Add("X-Network-Secret", "<x-network-secret>")
	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.put("https://controller.platform.simplecloud.app/v0/players/sessions/settings")
  .header("X-Network-ID", "<x-network-id>")
  .header("X-Network-Secret", "<x-network-secret>")
  .header("Content-Type", "application/json")
  .body("{\n  \"chat_colors\": true,\n  \"chat_mode\": \"ENABLED\",\n  \"client_listing_allowed\": true,\n  \"locale\": \"en_US\",\n  \"main_hand\": \"RIGHT\",\n  \"skin_parts\": [\n    \"CAPE\",\n    \"JACKET\"\n  ],\n  \"view_distance\": 12\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://controller.platform.simplecloud.app/v0/players/sessions/settings")

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

request = Net::HTTP::Put.new(url)
request["X-Network-ID"] = '<x-network-id>'
request["X-Network-Secret"] = '<x-network-secret>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"chat_colors\": true,\n  \"chat_mode\": \"ENABLED\",\n  \"client_listing_allowed\": true,\n  \"locale\": \"en_US\",\n  \"main_hand\": \"RIGHT\",\n  \"skin_parts\": [\n    \"CAPE\",\n    \"JACKET\"\n  ],\n  \"view_distance\": 12\n}"

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

{
  "message": "Settings updated successfully",
  "settings": {
    "chat_colors": true,
    "chat_mode": "ENABLED",
    "client_listing_allowed": true,
    "locale": "en_US",
    "main_hand": "RIGHT",
    "skin_parts": [
      "CAPE",
      "JACKET",
      "LEFT_SLEEVE"
    ],
    "view_distance": 12
  },
  "success": true
}

{
  "error": "<string>"
}

{
  "error": "<string>"
}

{
  "error": "<string>"
}