curl --request POST \
  --url https://catchall.newscatcherapi.com/catchAll/entities \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "name": "NewsCatcher",
  "entity_type": "company",
  "description": "NewsCatcher is a data-as-a-service company providing news intelligence APIs including the CatchAll Web Search API (2B+ web pages indexed) and News API (140,000+ sources, 100+ countries).",
  "additional_attributes": {
    "company_attributes": {
      "domain": "newscatcherapi.com",
      "alternative_names": [
        "NewsCatcher CatchAll",
        "NewsCatcher API"
      ],
      "key_persons": [
        "Artem Bugara",
        "Maksym Sugonyaka"
      ]
    }
  }
}
'

import requests

url = "https://catchall.newscatcherapi.com/catchAll/entities"

payload = {
    "name": "NewsCatcher",
    "entity_type": "company",
    "description": "NewsCatcher is a data-as-a-service company providing news intelligence APIs including the CatchAll Web Search API (2B+ web pages indexed) and News API (140,000+ sources, 100+ countries).",
    "additional_attributes": { "company_attributes": {
            "domain": "newscatcherapi.com",
            "alternative_names": ["NewsCatcher CatchAll", "NewsCatcher API"],
            "key_persons": ["Artem Bugara", "Maksym Sugonyaka"]
        } }
}
headers = {
    "x-api-key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'x-api-key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    name: 'NewsCatcher',
    entity_type: 'company',
    description: 'NewsCatcher is a data-as-a-service company providing news intelligence APIs including the CatchAll Web Search API (2B+ web pages indexed) and News API (140,000+ sources, 100+ countries).',
    additional_attributes: {
      company_attributes: {
        domain: 'newscatcherapi.com',
        alternative_names: ['NewsCatcher CatchAll', 'NewsCatcher API'],
        key_persons: ['Artem Bugara', 'Maksym Sugonyaka']
      }
    }
  })
};

fetch('https://catchall.newscatcherapi.com/catchAll/entities', 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://catchall.newscatcherapi.com/catchAll/entities",
  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([
    'name' => 'NewsCatcher',
    'entity_type' => 'company',
    'description' => 'NewsCatcher is a data-as-a-service company providing news intelligence APIs including the CatchAll Web Search API (2B+ web pages indexed) and News API (140,000+ sources, 100+ countries).',
    'additional_attributes' => [
        'company_attributes' => [
                'domain' => 'newscatcherapi.com',
                'alternative_names' => [
                                'NewsCatcher CatchAll',
                                'NewsCatcher API'
                ],
                'key_persons' => [
                                'Artem Bugara',
                                'Maksym Sugonyaka'
                ]
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "x-api-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://catchall.newscatcherapi.com/catchAll/entities"

	payload := strings.NewReader("{\n  \"name\": \"NewsCatcher\",\n  \"entity_type\": \"company\",\n  \"description\": \"NewsCatcher is a data-as-a-service company providing news intelligence APIs including the CatchAll Web Search API (2B+ web pages indexed) and News API (140,000+ sources, 100+ countries).\",\n  \"additional_attributes\": {\n    \"company_attributes\": {\n      \"domain\": \"newscatcherapi.com\",\n      \"alternative_names\": [\n        \"NewsCatcher CatchAll\",\n        \"NewsCatcher API\"\n      ],\n      \"key_persons\": [\n        \"Artem Bugara\",\n        \"Maksym Sugonyaka\"\n      ]\n    }\n  }\n}")

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

	req.Header.Add("x-api-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://catchall.newscatcherapi.com/catchAll/entities")
  .header("x-api-key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"name\": \"NewsCatcher\",\n  \"entity_type\": \"company\",\n  \"description\": \"NewsCatcher is a data-as-a-service company providing news intelligence APIs including the CatchAll Web Search API (2B+ web pages indexed) and News API (140,000+ sources, 100+ countries).\",\n  \"additional_attributes\": {\n    \"company_attributes\": {\n      \"domain\": \"newscatcherapi.com\",\n      \"alternative_names\": [\n        \"NewsCatcher CatchAll\",\n        \"NewsCatcher API\"\n      ],\n      \"key_persons\": [\n        \"Artem Bugara\",\n        \"Maksym Sugonyaka\"\n      ]\n    }\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://catchall.newscatcherapi.com/catchAll/entities")

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

request = Net::HTTP::Post.new(url)
request["x-api-key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"name\": \"NewsCatcher\",\n  \"entity_type\": \"company\",\n  \"description\": \"NewsCatcher is a data-as-a-service company providing news intelligence APIs including the CatchAll Web Search API (2B+ web pages indexed) and News API (140,000+ sources, 100+ countries).\",\n  \"additional_attributes\": {\n    \"company_attributes\": {\n      \"domain\": \"newscatcherapi.com\",\n      \"alternative_names\": [\n        \"NewsCatcher CatchAll\",\n        \"NewsCatcher API\"\n      ],\n      \"key_persons\": [\n        \"Artem Bugara\",\n        \"Maksym Sugonyaka\"\n      ]\n    }\n  }\n}"

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