curl --request POST \
  --url https://catchall.newscatcherapi.com/catchAll/datasets/{dataset_id}/entities/list \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "page": 1,
  "page_size": 100,
  "search": "OpenAI",
  "status": "ready",
  "entity_type": "company",
  "sort_by": "created_at",
  "sort_order": "desc"
}
'

import requests

url = "https://catchall.newscatcherapi.com/catchAll/datasets/{dataset_id}/entities/list"

payload = {
    "page": 1,
    "page_size": 100,
    "search": "OpenAI",
    "status": "ready",
    "entity_type": "company",
    "sort_by": "created_at",
    "sort_order": "desc"
}
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({
    page: 1,
    page_size: 100,
    search: 'OpenAI',
    status: 'ready',
    entity_type: 'company',
    sort_by: 'created_at',
    sort_order: 'desc'
  })
};

fetch('https://catchall.newscatcherapi.com/catchAll/datasets/{dataset_id}/entities/list', 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/datasets/{dataset_id}/entities/list",
  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([
    'page' => 1,
    'page_size' => 100,
    'search' => 'OpenAI',
    'status' => 'ready',
    'entity_type' => 'company',
    'sort_by' => 'created_at',
    'sort_order' => 'desc'
  ]),
  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/datasets/{dataset_id}/entities/list"

	payload := strings.NewReader("{\n  \"page\": 1,\n  \"page_size\": 100,\n  \"search\": \"OpenAI\",\n  \"status\": \"ready\",\n  \"entity_type\": \"company\",\n  \"sort_by\": \"created_at\",\n  \"sort_order\": \"desc\"\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/datasets/{dataset_id}/entities/list")
  .header("x-api-key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"page\": 1,\n  \"page_size\": 100,\n  \"search\": \"OpenAI\",\n  \"status\": \"ready\",\n  \"entity_type\": \"company\",\n  \"sort_by\": \"created_at\",\n  \"sort_order\": \"desc\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://catchall.newscatcherapi.com/catchAll/datasets/{dataset_id}/entities/list")

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  \"page\": 1,\n  \"page_size\": 100,\n  \"search\": \"OpenAI\",\n  \"status\": \"ready\",\n  \"entity_type\": \"company\",\n  \"sort_by\": \"created_at\",\n  \"sort_order\": \"desc\"\n}"

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

{
  "entities": [
    {
      "id": "854198fa-f702-49db-a381-0427fa87f173",
      "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).",
      "external_entity_id": "crm-12345",
      "attributes": {
        "domain": "newscatcherapi.com",
        "key_persons": [
          "Artem Bugara",
          "Maksym Sugonyaka"
        ],
        "alternative_names": [
          "NewsCatcher CatchAll",
          "NewsCatcher API"
        ]
      }
    }
  ],
  "total": 4,
  "page": 1,
  "page_size": 100
}

{
  "detail": "Invalid API key"
}

{
  "detail": "Invalid API key"
}

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