curl --request POST \
  --url https://web-scraping-api2.p.rapidapi.com/search-companies \
  --header 'Content-Type: application/json' \
  --header 'x-rapidapi-key: <api-key>' \
  --data @- <<EOF
{
  "annual_revenue": {
    "min": 1,
    "max": 10,
    "currency": "CAD"
  },
  "company_headcounts": [
    "1001-5000",
    "5001-10000"
  ],
  "company_headcount_growth": {
    "min": -10,
    "max": 10
  },
  "department_headcount": {
    "min": 0,
    "max": 10,
    "department": "Accounting"
  },
  "department_headcount_growth": {
    "min": 0,
    "max": 10,
    "department": "Accounting"
  },
  "headquarters_location": [
    103644278
  ],
  "headquarters_location_exclude": [
    103644278
  ],
  "industry_codes": [
    3,
    4
  ],
  "industry_codes_exclude": [
    5,
    6
  ],
  "hiring_on_linkedin": "false",
  "recent_activities": [],
  "technologies_used": [
    "jQuery",
    "Apache HTTP Server",
    "Let's Encrypt"
  ],
  "number_of_followers": [
    "1-50"
  ],
  "fortune": [
    "Fortune 50"
  ],
  "keywords": "",
  "limit": 1000
}
EOF

import requests

url = "https://web-scraping-api2.p.rapidapi.com/search-companies"

payload = {
    "annual_revenue": {
        "min": 1,
        "max": 10,
        "currency": "CAD"
    },
    "company_headcounts": ["1001-5000", "5001-10000"],
    "company_headcount_growth": {
        "min": -10,
        "max": 10
    },
    "department_headcount": {
        "min": 0,
        "max": 10,
        "department": "Accounting"
    },
    "department_headcount_growth": {
        "min": 0,
        "max": 10,
        "department": "Accounting"
    },
    "headquarters_location": [103644278],
    "headquarters_location_exclude": [103644278],
    "industry_codes": [3, 4],
    "industry_codes_exclude": [5, 6],
    "hiring_on_linkedin": "false",
    "recent_activities": [],
    "technologies_used": ["jQuery", "Apache HTTP Server", "Let's Encrypt"],
    "number_of_followers": ["1-50"],
    "fortune": ["Fortune 50"],
    "keywords": "",
    "limit": 1000
}
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({
    annual_revenue: {min: 1, max: 10, currency: 'CAD'},
    company_headcounts: ['1001-5000', '5001-10000'],
    company_headcount_growth: {min: -10, max: 10},
    department_headcount: {min: 0, max: 10, department: 'Accounting'},
    department_headcount_growth: {min: 0, max: 10, department: 'Accounting'},
    headquarters_location: [103644278],
    headquarters_location_exclude: [103644278],
    industry_codes: [3, 4],
    industry_codes_exclude: [5, 6],
    hiring_on_linkedin: 'false',
    recent_activities: [],
    technologies_used: ['jQuery', 'Apache HTTP Server', 'Let\'s Encrypt'],
    number_of_followers: ['1-50'],
    fortune: ['Fortune 50'],
    keywords: '',
    limit: 1000
  })
};

fetch('https://web-scraping-api2.p.rapidapi.com/search-companies', 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/search-companies",
  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([
    'annual_revenue' => [
        'min' => 1,
        'max' => 10,
        'currency' => 'CAD'
    ],
    'company_headcounts' => [
        '1001-5000',
        '5001-10000'
    ],
    'company_headcount_growth' => [
        'min' => -10,
        'max' => 10
    ],
    'department_headcount' => [
        'min' => 0,
        'max' => 10,
        'department' => 'Accounting'
    ],
    'department_headcount_growth' => [
        'min' => 0,
        'max' => 10,
        'department' => 'Accounting'
    ],
    'headquarters_location' => [
        103644278
    ],
    'headquarters_location_exclude' => [
        103644278
    ],
    'industry_codes' => [
        3,
        4
    ],
    'industry_codes_exclude' => [
        5,
        6
    ],
    'hiring_on_linkedin' => 'false',
    'recent_activities' => [
        
    ],
    'technologies_used' => [
        'jQuery',
        'Apache HTTP Server',
        'Let\'s Encrypt'
    ],
    'number_of_followers' => [
        '1-50'
    ],
    'fortune' => [
        'Fortune 50'
    ],
    'keywords' => '',
    'limit' => 1000
  ]),
  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/search-companies"

	payload := strings.NewReader("{\n  \"annual_revenue\": {\n    \"min\": 1,\n    \"max\": 10,\n    \"currency\": \"CAD\"\n  },\n  \"company_headcounts\": [\n    \"1001-5000\",\n    \"5001-10000\"\n  ],\n  \"company_headcount_growth\": {\n    \"min\": -10,\n    \"max\": 10\n  },\n  \"department_headcount\": {\n    \"min\": 0,\n    \"max\": 10,\n    \"department\": \"Accounting\"\n  },\n  \"department_headcount_growth\": {\n    \"min\": 0,\n    \"max\": 10,\n    \"department\": \"Accounting\"\n  },\n  \"headquarters_location\": [\n    103644278\n  ],\n  \"headquarters_location_exclude\": [\n    103644278\n  ],\n  \"industry_codes\": [\n    3,\n    4\n  ],\n  \"industry_codes_exclude\": [\n    5,\n    6\n  ],\n  \"hiring_on_linkedin\": \"false\",\n  \"recent_activities\": [],\n  \"technologies_used\": [\n    \"jQuery\",\n    \"Apache HTTP Server\",\n    \"Let's Encrypt\"\n  ],\n  \"number_of_followers\": [\n    \"1-50\"\n  ],\n  \"fortune\": [\n    \"Fortune 50\"\n  ],\n  \"keywords\": \"\",\n  \"limit\": 1000\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/search-companies")
  .header("x-rapidapi-key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"annual_revenue\": {\n    \"min\": 1,\n    \"max\": 10,\n    \"currency\": \"CAD\"\n  },\n  \"company_headcounts\": [\n    \"1001-5000\",\n    \"5001-10000\"\n  ],\n  \"company_headcount_growth\": {\n    \"min\": -10,\n    \"max\": 10\n  },\n  \"department_headcount\": {\n    \"min\": 0,\n    \"max\": 10,\n    \"department\": \"Accounting\"\n  },\n  \"department_headcount_growth\": {\n    \"min\": 0,\n    \"max\": 10,\n    \"department\": \"Accounting\"\n  },\n  \"headquarters_location\": [\n    103644278\n  ],\n  \"headquarters_location_exclude\": [\n    103644278\n  ],\n  \"industry_codes\": [\n    3,\n    4\n  ],\n  \"industry_codes_exclude\": [\n    5,\n    6\n  ],\n  \"hiring_on_linkedin\": \"false\",\n  \"recent_activities\": [],\n  \"technologies_used\": [\n    \"jQuery\",\n    \"Apache HTTP Server\",\n    \"Let's Encrypt\"\n  ],\n  \"number_of_followers\": [\n    \"1-50\"\n  ],\n  \"fortune\": [\n    \"Fortune 50\"\n  ],\n  \"keywords\": \"\",\n  \"limit\": 1000\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://web-scraping-api2.p.rapidapi.com/search-companies")

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  \"annual_revenue\": {\n    \"min\": 1,\n    \"max\": 10,\n    \"currency\": \"CAD\"\n  },\n  \"company_headcounts\": [\n    \"1001-5000\",\n    \"5001-10000\"\n  ],\n  \"company_headcount_growth\": {\n    \"min\": -10,\n    \"max\": 10\n  },\n  \"department_headcount\": {\n    \"min\": 0,\n    \"max\": 10,\n    \"department\": \"Accounting\"\n  },\n  \"department_headcount_growth\": {\n    \"min\": 0,\n    \"max\": 10,\n    \"department\": \"Accounting\"\n  },\n  \"headquarters_location\": [\n    103644278\n  ],\n  \"headquarters_location_exclude\": [\n    103644278\n  ],\n  \"industry_codes\": [\n    3,\n    4\n  ],\n  \"industry_codes_exclude\": [\n    5,\n    6\n  ],\n  \"hiring_on_linkedin\": \"false\",\n  \"recent_activities\": [],\n  \"technologies_used\": [\n    \"jQuery\",\n    \"Apache HTTP Server\",\n    \"Let's Encrypt\"\n  ],\n  \"number_of_followers\": [\n    \"1-50\"\n  ],\n  \"fortune\": [\n    \"Fortune 50\"\n  ],\n  \"keywords\": \"\",\n  \"limit\": 1000\n}"

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

{
  "message": "Use this request_id to check your search with 'Check Search Companies Status' endpoint",
  "request_id": "ba072fac0b38d12378ef5023742f0184s34e1i8n2a7p0m9o"
}

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

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