curl --request POST \
  --url https://api.aisa.one/apis/v1/dataforseo/on_page/keyword_density \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
[
  {
    "id": "09101923-1535-0216-0000-2389a8854b70",
    "url": "https://dataforseo.com/",
    "keyword_length": 2,
    "filters": [
      "frequency",
      ">",
      5
    ]
  }
]
'

import requests

url = "https://api.aisa.one/apis/v1/dataforseo/on_page/keyword_density"

payload = [
    {
        "id": "09101923-1535-0216-0000-2389a8854b70",
        "url": "https://dataforseo.com/",
        "keyword_length": 2,
        "filters": ["frequency", ">", 5]
    }
]
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([
    {
      id: '09101923-1535-0216-0000-2389a8854b70',
      url: 'https://dataforseo.com/',
      keyword_length: 2,
      filters: ['frequency', '>', 5]
    }
  ])
};

fetch('https://api.aisa.one/apis/v1/dataforseo/on_page/keyword_density', 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://api.aisa.one/apis/v1/dataforseo/on_page/keyword_density",
  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([
    [
        'id' => '09101923-1535-0216-0000-2389a8854b70',
        'url' => 'https://dataforseo.com/',
        'keyword_length' => 2,
        'filters' => [
                'frequency',
                '>',
                5
        ]
    ]
  ]),
  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://api.aisa.one/apis/v1/dataforseo/on_page/keyword_density"

	payload := strings.NewReader("[\n  {\n    \"id\": \"09101923-1535-0216-0000-2389a8854b70\",\n    \"url\": \"https://dataforseo.com/\",\n    \"keyword_length\": 2,\n    \"filters\": [\n      \"frequency\",\n      \">\",\n      5\n    ]\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://api.aisa.one/apis/v1/dataforseo/on_page/keyword_density")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("[\n  {\n    \"id\": \"09101923-1535-0216-0000-2389a8854b70\",\n    \"url\": \"https://dataforseo.com/\",\n    \"keyword_length\": 2,\n    \"filters\": [\n      \"frequency\",\n      \">\",\n      5\n    ]\n  }\n]")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.aisa.one/apis/v1/dataforseo/on_page/keyword_density")

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  {\n    \"id\": \"09101923-1535-0216-0000-2389a8854b70\",\n    \"url\": \"https://dataforseo.com/\",\n    \"keyword_length\": 2,\n    \"filters\": [\n      \"frequency\",\n      \">\",\n      5\n    ]\n  }\n]"

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

{
  "version": "<string>",
  "status_code": 123,
  "status_message": "<string>",
  "time": "<string>",
  "cost": 123,
  "tasks_count": 123,
  "tasks_error": 123,
  "tasks": [
    {
      "id": "<string>",
      "status_code": 123,
      "status_message": "<string>",
      "time": "<string>",
      "cost": 123,
      "result_count": 123,
      "path": [
        "<string>"
      ],
      "data": {},
      "result": [
        {
          "crawl_progress": "<string>",
          "crawl_status": {
            "max_crawl_pages": 123,
            "pages_in_queue": 123,
            "pages_crawled": 123
          },
          "total_items_count": 123,
          "items_count": 123,
          "items": [
            {
              "keyword": "<string>",
              "frequency": 123,
              "density": 123
            }
          ]
        }
      ]
    }
  ]
}