Add availability monitor

curl -X POST 'https://mgmtapi.geins.io/API/Product/MonitorAvailability' \
-H 'Accept: application/json' \
-H 'Content-Type: application/json' \
-H 'Authorization: Basic [USER-CREDENTIALS-BASE64-ENCODED]' \
-H 'X-ApiKey: {MGMT_API_KEY}'\
-d '{
  "SiteId": 0,
  "LanguageCode": "string",
  "Email": "string",
  "SkuId": 0
}'

import axios from 'axios';

const config = {
  method: 'POST',
  url: 'https://mgmtapi.geins.io/API/Product/MonitorAvailability',
  headers: {
    'Accept': 'application/json',
    'Content-Type': 'application/json',
    'Authorization': 'Basic [USER-CREDENTIALS-BASE64-ENCODED]',
    'X-ApiKey': '{MGMT_API_KEY}'
  },
  data: {
  "SiteId": 0,
  "LanguageCode": "string",
  "Email": "string",
  "SkuId": 0
}
};

axios.request(config)
  .then(response => response.data)
  .catch(error => console.error(error));

fetch('https://mgmtapi.geins.io/API/Product/MonitorAvailability', {
  method: 'POST',
  headers: {
    'Accept': 'application/json',
    'Content-Type': 'application/json',
    'Authorization': 'Basic [USER-CREDENTIALS-BASE64-ENCODED]',
    'X-ApiKey': '{MGMT_API_KEY}'
  },
  body: JSON.stringify({
  "SiteId": 0,
  "LanguageCode": "string",
  "Email": "string",
  "SkuId": 0
})
})
.then(res => res.json())
.then((response) => response)
.catch(console.error);

import requests

url = "https://mgmtapi.geins.io/API/Product/MonitorAvailability"

headers = {
    'Accept': 'application/json',
    'Content-Type': 'application/json',
    'Authorization': 'Basic [USER-CREDENTIALS-BASE64-ENCODED]',
    'X-ApiKey': '{MGMT_API_KEY}'
}

payload = {
  "SiteId": 0,
  "LanguageCode": "string",
  "Email": "string",
  "SkuId": 0
}
response = requests.POST(url, json=payload, headers=headers)

print(response.json())

package main

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

func main() {
  url := "https://mgmtapi.geins.io/API/Product/MonitorAvailability"
  payload := []byte(`{
  "SiteId": 0,
  "LanguageCode": "string",
  "Email": "string",
  "SkuId": 0
}`)

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

  req.Header.Add("Accept", "application/json")
  req.Header.Add("Content-Type", "application/json")
  req.Header.Add("Authorization", "Basic [USER-CREDENTIALS-BASE64-ENCODED]")
  req.Header.Add("X-ApiKey", "{MGMT_API_KEY}")

  res, _ := http.DefaultClient.Do(req)
  defer res.Body.Close()
  body, _ := io.ReadAll(res.Body)

  fmt.Println(string(body))
}

using System.Text;
using System.Text.Json;
using System.Net.Http;

using var client = new HttpClient();
client.DefaultRequestHeaders.Add("Authorization", "Basic [USER-CREDENTIALS-BASE64-ENCODED]");
client.DefaultRequestHeaders.Add("X-ApiKey", "{MGMT_API_KEY}");

var body = new
{
    SiteId = 0,
    LanguageCode = "string",
    Email = "string",
    SkuId = 0
};
var jsonContent = JsonSerializer.Serialize(body);
var content = new StringContent(jsonContent, Encoding.UTF8, "application/json");
var response = await client.POSTAsync("https://mgmtapi.geins.io/API/Product/MonitorAvailability", content);
var result = await response.Content.ReadAsStringAsync();
Console.WriteLine(result);

{
  "Message": "string",
  "Details": [
    "string"
  ]
}

{
  "Message": "string",
  "Details": [
    "string"
  ]
}