curl --request POST \
  --url https://web-scraping-api2.p.rapidapi.com/find-custom-headcount \
  --header 'Content-Type: application/json' \
  --header 'x-rapidapi-key: <api-key>' \
  --data '
{
  "linkedin_url": "https://www.linkedin.com/company/amazon",
  "keywords": "",
  "where_they_live": [
    103644278,
    102713980
  ],
  "where_they_studied": [
    2584,
    3084
  ],
  "what_they_do": [
    18,
    8
  ],
  "what_they_are_skilled_at": [
    1346,
    147
  ],
  "what_they_studied": [
    100189
  ],
  "include_subsidiaries": "false"
}
'

import requests

url = "https://web-scraping-api2.p.rapidapi.com/find-custom-headcount"

payload = {
    "linkedin_url": "https://www.linkedin.com/company/amazon",
    "keywords": "",
    "where_they_live": [103644278, 102713980],
    "where_they_studied": [2584, 3084],
    "what_they_do": [18, 8],
    "what_they_are_skilled_at": [1346, 147],
    "what_they_studied": [100189],
    "include_subsidiaries": "false"
}
headers = {
    "x-rapidapi-key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'x-rapidapi-key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    linkedin_url: 'https://www.linkedin.com/company/amazon',
    keywords: '',
    where_they_live: [103644278, 102713980],
    where_they_studied: [2584, 3084],
    what_they_do: [18, 8],
    what_they_are_skilled_at: [1346, 147],
    what_they_studied: [100189],
    include_subsidiaries: 'false'
  })
};

fetch('https://web-scraping-api2.p.rapidapi.com/find-custom-headcount', 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://web-scraping-api2.p.rapidapi.com/find-custom-headcount",
  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([
    'linkedin_url' => 'https://www.linkedin.com/company/amazon',
    'keywords' => '',
    'where_they_live' => [
        103644278,
        102713980
    ],
    'where_they_studied' => [
        2584,
        3084
    ],
    'what_they_do' => [
        18,
        8
    ],
    'what_they_are_skilled_at' => [
        1346,
        147
    ],
    'what_they_studied' => [
        100189
    ],
    'include_subsidiaries' => 'false'
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "x-rapidapi-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://web-scraping-api2.p.rapidapi.com/find-custom-headcount"

	payload := strings.NewReader("{\n  \"linkedin_url\": \"https://www.linkedin.com/company/amazon\",\n  \"keywords\": \"\",\n  \"where_they_live\": [\n    103644278,\n    102713980\n  ],\n  \"where_they_studied\": [\n    2584,\n    3084\n  ],\n  \"what_they_do\": [\n    18,\n    8\n  ],\n  \"what_they_are_skilled_at\": [\n    1346,\n    147\n  ],\n  \"what_they_studied\": [\n    100189\n  ],\n  \"include_subsidiaries\": \"false\"\n}")

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

	req.Header.Add("x-rapidapi-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://web-scraping-api2.p.rapidapi.com/find-custom-headcount")
  .header("x-rapidapi-key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"linkedin_url\": \"https://www.linkedin.com/company/amazon\",\n  \"keywords\": \"\",\n  \"where_they_live\": [\n    103644278,\n    102713980\n  ],\n  \"where_they_studied\": [\n    2584,\n    3084\n  ],\n  \"what_they_do\": [\n    18,\n    8\n  ],\n  \"what_they_are_skilled_at\": [\n    1346,\n    147\n  ],\n  \"what_they_studied\": [\n    100189\n  ],\n  \"include_subsidiaries\": \"false\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://web-scraping-api2.p.rapidapi.com/find-custom-headcount")

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

request = Net::HTTP::Post.new(url)
request["x-rapidapi-key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"linkedin_url\": \"https://www.linkedin.com/company/amazon\",\n  \"keywords\": \"\",\n  \"where_they_live\": [\n    103644278,\n    102713980\n  ],\n  \"where_they_studied\": [\n    2584,\n    3084\n  ],\n  \"what_they_do\": [\n    18,\n    8\n  ],\n  \"what_they_are_skilled_at\": [\n    1346,\n    147\n  ],\n  \"what_they_studied\": [\n    100189\n  ],\n  \"include_subsidiaries\": \"false\"\n}"

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

{
  "message": "ok",
  "data": {
    "headcount": 2146
  }
}

{
  "data": null,
  "message": "Bad request: Invalid payload."
}

{
  "data": null,
  "message": "Bad request: Invalid linkedin_url."
}

{
  "data": null,
  "message": "System error. We will fix it soon!"
}