curl --request POST \
  --url https://api.sonderplan.com/v2/calendar-subscription/import \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "calendar_url": "https://calendar.google.com/calendar/i",
  "enabled": true,
  "booking_property": {
    "client": [
      {
        "uuid": "u2349"
      }
    ],
    "status": [
      {
        "id": 1
      }
    ],
    "project": [
      {
        "id": 2
      }
    ],
    "resources": [
      {
        "id": 1928
      }
    ],
    "custom_fields": [
      {}
    ]
  }
}
'

import requests

url = "https://api.sonderplan.com/v2/calendar-subscription/import"

payload = {
    "calendar_url": "https://calendar.google.com/calendar/i",
    "enabled": True,
    "booking_property": {
        "client": [{ "uuid": "u2349" }],
        "status": [{ "id": 1 }],
        "project": [{ "id": 2 }],
        "resources": [{ "id": 1928 }],
        "custom_fields": [{}]
    }
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    calendar_url: 'https://calendar.google.com/calendar/i',
    enabled: true,
    booking_property: {
      client: [{uuid: 'u2349'}],
      status: [{id: 1}],
      project: [{id: 2}],
      resources: [{id: 1928}],
      custom_fields: [{}]
    }
  })
};

fetch('https://api.sonderplan.com/v2/calendar-subscription/import', 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.sonderplan.com/v2/calendar-subscription/import",
  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([
    'calendar_url' => 'https://calendar.google.com/calendar/i',
    'enabled' => true,
    'booking_property' => [
        'client' => [
                [
                                'uuid' => 'u2349'
                ]
        ],
        'status' => [
                [
                                'id' => 1
                ]
        ],
        'project' => [
                [
                                'id' => 2
                ]
        ],
        'resources' => [
                [
                                'id' => 1928
                ]
        ],
        'custom_fields' => [
                [
                                
                ]
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "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.sonderplan.com/v2/calendar-subscription/import"

	payload := strings.NewReader("{\n  \"calendar_url\": \"https://calendar.google.com/calendar/i\",\n  \"enabled\": true,\n  \"booking_property\": {\n    \"client\": [\n      {\n        \"uuid\": \"u2349\"\n      }\n    ],\n    \"status\": [\n      {\n        \"id\": 1\n      }\n    ],\n    \"project\": [\n      {\n        \"id\": 2\n      }\n    ],\n    \"resources\": [\n      {\n        \"id\": 1928\n      }\n    ],\n    \"custom_fields\": [\n      {}\n    ]\n  }\n}")

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

	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://api.sonderplan.com/v2/calendar-subscription/import")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"calendar_url\": \"https://calendar.google.com/calendar/i\",\n  \"enabled\": true,\n  \"booking_property\": {\n    \"client\": [\n      {\n        \"uuid\": \"u2349\"\n      }\n    ],\n    \"status\": [\n      {\n        \"id\": 1\n      }\n    ],\n    \"project\": [\n      {\n        \"id\": 2\n      }\n    ],\n    \"resources\": [\n      {\n        \"id\": 1928\n      }\n    ],\n    \"custom_fields\": [\n      {}\n    ]\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.sonderplan.com/v2/calendar-subscription/import")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"calendar_url\": \"https://calendar.google.com/calendar/i\",\n  \"enabled\": true,\n  \"booking_property\": {\n    \"client\": [\n      {\n        \"uuid\": \"u2349\"\n      }\n    ],\n    \"status\": [\n      {\n        \"id\": 1\n      }\n    ],\n    \"project\": [\n      {\n        \"id\": 2\n      }\n    ],\n    \"resources\": [\n      {\n        \"id\": 1928\n      }\n    ],\n    \"custom_fields\": [\n      {}\n    ]\n  }\n}"

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

{
  "success": {
    "id": 2384
  }
}

{
  "error": {
    "code": 400,
    "message": "name is required... Name of the tax"
  }
}