Add watchlist asset

curl --request POST \
  --url https://{host}/b2b/watchlists/assets \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'x-user-id: <x-user-id>' \
  --data '
{
  "assetCommonId": "equities_apple"
}
'

import requests

url = "https://{host}/b2b/watchlists/assets"

payload = { "assetCommonId": "equities_apple" }
headers = {
    "x-user-id": "<x-user-id>",
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    'x-user-id': '<x-user-id>',
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({assetCommonId: 'equities_apple'})
};

fetch('https://{host}/b2b/watchlists/assets', 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://{host}/b2b/watchlists/assets",
  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([
    'assetCommonId' => 'equities_apple'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json",
    "x-user-id: <x-user-id>"
  ],
]);

$response = curl_exec($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://{host}/b2b/watchlists/assets"

	payload := strings.NewReader("{\n  \"assetCommonId\": \"equities_apple\"\n}")

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

	req.Header.Add("x-user-id", "<x-user-id>")
	req.Header.Add("Authorization", "Bearer <token>")
	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://{host}/b2b/watchlists/assets")
  .header("x-user-id", "<x-user-id>")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"assetCommonId\": \"equities_apple\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://{host}/b2b/watchlists/assets")

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

request = Net::HTTP::Post.new(url)
request["x-user-id"] = '<x-user-id>'
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"assetCommonId\": \"equities_apple\"\n}"

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

{
  "id": "7501d8537fb3fc001234abcd",
  "assets": [
    {
      "assetCommonId": "equities_apple"
    }
  ],
  "createdAt": "2026-07-15T10:00:00.000Z",
  "updatedAt": "2026-07-15T10:05:00.000Z"
}

{
  "status": 123,
  "error": {
    "message": "<string>",
    "description": "<string>"
  },
  "responseId": "<string>"
}

{
  "status": 123,
  "error": {
    "message": "<string>",
    "description": "<string>"
  },
  "responseId": "<string>"
}

{
  "status": 123,
  "error": {
    "message": "<string>",
    "description": "<string>"
  },
  "responseId": "<string>"
}