curl --request POST \
  --url https://public-api.etoro.com/api/v1/sub-accounts \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --header 'x-request-id: <x-request-id>' \
  --header 'x-user-key: <api-key>' \
  --data '
{
  "status": "Pending",
  "accountId": "12345-abcde",
  "accountType": "Trading",
  "accountVisibility": "Visible",
  "accountCurrencies": [
    "USD",
    "EUR"
  ],
  "additionalData": {
    "key1": "value1",
    "key2": "value2"
  },
  "additionalParams": {
    "param1": "value1",
    "param2": "value2"
  }
}
'

import requests

url = "https://public-api.etoro.com/api/v1/sub-accounts"

payload = {
    "status": "Pending",
    "accountId": "12345-abcde",
    "accountType": "Trading",
    "accountVisibility": "Visible",
    "accountCurrencies": ["USD", "EUR"],
    "additionalData": {
        "key1": "value1",
        "key2": "value2"
    },
    "additionalParams": {
        "param1": "value1",
        "param2": "value2"
    }
}
headers = {
    "x-request-id": "<x-request-id>",
    "x-api-key": "<api-key>",
    "x-user-key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    'x-request-id': '<x-request-id>',
    'x-api-key': '<api-key>',
    'x-user-key': '<api-key>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    status: 'Pending',
    accountId: '12345-abcde',
    accountType: 'Trading',
    accountVisibility: 'Visible',
    accountCurrencies: ['USD', 'EUR'],
    additionalData: {key1: 'value1', key2: 'value2'},
    additionalParams: {param1: 'value1', param2: 'value2'}
  })
};

fetch('https://public-api.etoro.com/api/v1/sub-accounts', 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://public-api.etoro.com/api/v1/sub-accounts",
  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([
    'status' => 'Pending',
    'accountId' => '12345-abcde',
    'accountType' => 'Trading',
    'accountVisibility' => 'Visible',
    'accountCurrencies' => [
        'USD',
        'EUR'
    ],
    'additionalData' => [
        'key1' => 'value1',
        'key2' => 'value2'
    ],
    'additionalParams' => [
        'param1' => 'value1',
        'param2' => 'value2'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "x-api-key: <api-key>",
    "x-request-id: <x-request-id>",
    "x-user-key: <api-key>"
  ],
]);

$response = curl_exec($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://public-api.etoro.com/api/v1/sub-accounts"

	payload := strings.NewReader("{\n  \"status\": \"Pending\",\n  \"accountId\": \"12345-abcde\",\n  \"accountType\": \"Trading\",\n  \"accountVisibility\": \"Visible\",\n  \"accountCurrencies\": [\n    \"USD\",\n    \"EUR\"\n  ],\n  \"additionalData\": {\n    \"key1\": \"value1\",\n    \"key2\": \"value2\"\n  },\n  \"additionalParams\": {\n    \"param1\": \"value1\",\n    \"param2\": \"value2\"\n  }\n}")

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

	req.Header.Add("x-request-id", "<x-request-id>")
	req.Header.Add("x-api-key", "<api-key>")
	req.Header.Add("x-user-key", "<api-key>")
	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://public-api.etoro.com/api/v1/sub-accounts")
  .header("x-request-id", "<x-request-id>")
  .header("x-api-key", "<api-key>")
  .header("x-user-key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"status\": \"Pending\",\n  \"accountId\": \"12345-abcde\",\n  \"accountType\": \"Trading\",\n  \"accountVisibility\": \"Visible\",\n  \"accountCurrencies\": [\n    \"USD\",\n    \"EUR\"\n  ],\n  \"additionalData\": {\n    \"key1\": \"value1\",\n    \"key2\": \"value2\"\n  },\n  \"additionalParams\": {\n    \"param1\": \"value1\",\n    \"param2\": \"value2\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://public-api.etoro.com/api/v1/sub-accounts")

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

request = Net::HTTP::Post.new(url)
request["x-request-id"] = '<x-request-id>'
request["x-api-key"] = '<api-key>'
request["x-user-key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"status\": \"Pending\",\n  \"accountId\": \"12345-abcde\",\n  \"accountType\": \"Trading\",\n  \"accountVisibility\": \"Visible\",\n  \"accountCurrencies\": [\n    \"USD\",\n    \"EUR\"\n  ],\n  \"additionalData\": {\n    \"key1\": \"value1\",\n    \"key2\": \"value2\"\n  },\n  \"additionalParams\": {\n    \"param1\": \"value1\",\n    \"param2\": \"value2\"\n  }\n}"

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