curl --request POST \
  --url https://jobs-api.registercheck.de/api/v2/lists/items \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "list_ids": [
    "<string>"
  ],
  "item_data": {
    "entity_id": "<string>",
    "entity_name": "<string>",
    "is_company": true,
    "register_number": "<string>",
    "birth_date": "<string>",
    "notes": "<string>"
  }
}
'

import requests

url = "https://jobs-api.registercheck.de/api/v2/lists/items"

payload = {
    "list_ids": ["<string>"],
    "item_data": {
        "entity_id": "<string>",
        "entity_name": "<string>",
        "is_company": True,
        "register_number": "<string>",
        "birth_date": "<string>",
        "notes": "<string>"
    }
}
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({
    list_ids: ['<string>'],
    item_data: {
      entity_id: '<string>',
      entity_name: '<string>',
      is_company: true,
      register_number: '<string>',
      birth_date: '<string>',
      notes: '<string>'
    }
  })
};

fetch('https://jobs-api.registercheck.de/api/v2/lists/items', 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://jobs-api.registercheck.de/api/v2/lists/items",
  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([
    'list_ids' => [
        '<string>'
    ],
    'item_data' => [
        'entity_id' => '<string>',
        'entity_name' => '<string>',
        'is_company' => true,
        'register_number' => '<string>',
        'birth_date' => '<string>',
        'notes' => '<string>'
    ]
  ]),
  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://jobs-api.registercheck.de/api/v2/lists/items"

	payload := strings.NewReader("{\n  \"list_ids\": [\n    \"<string>\"\n  ],\n  \"item_data\": {\n    \"entity_id\": \"<string>\",\n    \"entity_name\": \"<string>\",\n    \"is_company\": true,\n    \"register_number\": \"<string>\",\n    \"birth_date\": \"<string>\",\n    \"notes\": \"<string>\"\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://jobs-api.registercheck.de/api/v2/lists/items")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"list_ids\": [\n    \"<string>\"\n  ],\n  \"item_data\": {\n    \"entity_id\": \"<string>\",\n    \"entity_name\": \"<string>\",\n    \"is_company\": true,\n    \"register_number\": \"<string>\",\n    \"birth_date\": \"<string>\",\n    \"notes\": \"<string>\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://jobs-api.registercheck.de/api/v2/lists/items")

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  \"list_ids\": [\n    \"<string>\"\n  ],\n  \"item_data\": {\n    \"entity_id\": \"<string>\",\n    \"entity_name\": \"<string>\",\n    \"is_company\": true,\n    \"register_number\": \"<string>\",\n    \"birth_date\": \"<string>\",\n    \"notes\": \"<string>\"\n  }\n}"

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

{
  "entity_id": "<string>",
  "entity_name": "<string>",
  "id": "<string>",
  "created_at": "<string>",
  "updated_at": "<string>",
  "is_company": true,
  "register_number": "<string>",
  "birth_date": "<string>",
  "notes": "<string>",
  "watchlist_subscription_id": "<string>"
}

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>"
    }
  ]
}