Instead of ‘login’ and ‘password’ use your credentials from https://app.dataforseo.com/api-access

            

# Instead of 'login' and 'password' use your credentials from https://app.dataforseo.com/api-access \
login="login" \
password="password" \
cred="$(printf ${login}:${password} | base64)" \
curl --location --request POST "https://api.dataforseo.com/v3/on_page/duplicate_content" \
--header "Authorization: Basic ${cred}"  \
--header "Content-Type: application/json" \
--data-raw "[
  {
    "id": "07281559-0695-0216-0000-c269be8b7592",
    "url": "https://www.etsy.com/"
  }
]"


        

<?php
// You can download this file from here https://cdn.dataforseo.com/v3/examples/php/php_RestClient.zip
require('RestClient.php');
$api_url = 'https://api.dataforseo.com/';
// Instead of 'login' and 'password' use your credentials from https://app.dataforseo.com/api-access
$client = new RestClient($api_url, null, 'login', 'password');

$post_array = array();
// simple way to get a result
$post_array[] = array(
   "id" => "07281559-0695-0216-0000-c269be8b7592",
   "url" => "https://www.etsy.com/"
);
try {
   // POST /v3/on_page/duplicate_content
   // the full list of possible parameters is available in documentation
   $result = $client->post('/v3/on_page/duplicate_content', $post_array);
   print_r($result);
   // do something with post result
} catch (RestClientException $e) {
   echo "\n";
   print "HTTP code: {$e->getHttpCode()}\n";
   print "Error code: {$e->getCode()}\n";
   print "Message: {$e->getMessage()}\n";
   print  $e->getTraceAsString();
   echo "\n";
}

$client = null;
?>

            

from random import Random
from client import RestClient
# You can download this file from here https://api.dataforseo.com/v3/_examples/python/_python_Client.zip
client = RestClient("login", "password")

post_data = dict()
# simple way to get a result
post_data[len(post_data)] = dict(
    id="07281559-0695-0216-0000-c269be8b7592",
    url="https://www.etsy.com/"
)
# POST /v3/on_page/duplicate_content
# the full list of possible parameters is available in documentation
response = client.post("/v3/on_page/duplicate_content", post_data)
# you can find the full list of the response codes here https://docs.dataforseo.com/v3/appendix/errors
if response["status_code"] == 20000:
    print(response)
    # do something with result
else:
    print("error. Code: %d Message: %s" % (response["status_code"], response["status_message"]))


        

            

const post_array = [];

post_array.push({
  "id": "07281559-0695-0216-0000-c269be8b7592",
  "url": "https://www.etsy.com/"
});

const axios = require('axios');

axios({
  method: 'post',
  url: 'https://api.dataforseo.com/v3/on_page/duplicate_content',
  auth: {
    username: 'login',
    password: 'password'
  },
  data: post_array,
  headers: {
    'content-type': 'application/json'
  }
}).then(function (response) {
  var result = response['data']['tasks'];
  // Result data
  console.log(result);
}).catch(function (error) {
  console.log(error);
});


        

            

using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Text;
using System.Threading.Tasks;

namespace DataForSeoDemos
{
    public static partial class Demos
    {
        public static async Task on_page_duplicate_content()
        {
            var httpClient = new HttpClient
            {
                BaseAddress = new Uri("https://api.dataforseo.com/"),
                // Instead of 'login' and 'password' use your credentials from https://app.dataforseo.com/api-access
                DefaultRequestHeaders = { Authorization = new AuthenticationHeaderValue("Basic", Convert.ToBase64String(Encoding.ASCII.GetBytes("login:password"))) }
            };
            var postData = new List<object>();
            // simple way to get a result
            postData.Add(new
            {
                id = "07281559-0695-0216-0000-c269be8b7592",
                url = "https://www.etsy.com/"
            });
            // POST /v3/on_page/duplicate_content
            // the full list of possible parameters is available in documentation
            var taskPostResponse = await httpClient.PostAsync("/v3/on_page/duplicate_content", new StringContent(JsonConvert.SerializeObject(postData)));
            var result = JsonConvert.DeserializeObject<dynamic>(await taskPostResponse.Content.ReadAsStringAsync());
            // you can find the full list of the response codes here https://docs.dataforseo.com/v3/appendix/errors
            if (result.status_code == 20000)
            {
                // do something with result
                Console.WriteLine(result);
            }
            else
                Console.WriteLine($"error. Code: {result.status_code} Message: {result.status_message}");
        }
    }
}

        

The above command returns JSON structured like this:

{
  "version": "0.1.20210129",
  "status_code": 20000,
  "status_message": "Ok.",
  "time": "1.3879 sec.",
  "cost": 0,
  "tasks_count": 1,
  "tasks_error": 0,
  "tasks": [
    {
      "id": "07281559-0695-0216-0000-c269be8b7592",
      "status_code": 20000,
      "status_message": "Ok.",
      "time": "1.3032 sec.",
      "cost": 0,
      "result_count": 1,
      "path": [
        "v3",
        "on_page",
        "duplicate_content"
      ],
      "data": {
        "api": "on_page",
        "function": "duplicate_content",
        "url": "https://www.etsy.com/"
      },
      "result": [
        {
          "crawl_progress": "finished",
          "crawl_status": {
            "max_crawl_pages": 10,
            "pages_in_queue": 0,
            "pages_crawled": 10
          },
          "items_count": 1,
          "items": [
            {
              "url": "https://www.etsy.com/",
              "total_count": 1,
              "pages": [
                {
                  "similarity": 7,
                  "page": [
                    {
                      "resource_type": "html",
                      "status_code": 200,
                      "location": null,
                      "url": "https://www.etsy.com/de/",
                      "meta": {
                        "title": "Etsy - Kaufe Handgefertigtes, Vintage-Sachen, Spezialanfertigungen und einzigartige Geschenke für alle ein.",
                        "charset": 65001,
                        "follow": true,
                        "generator": null,
                        "htags": {
                          "h1": [
                            "Deine Datenschutzeinstellungen",
                            "Bye-bye Winter, hallo Neustart!",
                            "Außergewöhnliche Alltagshelfer",
                            "Aktualisiere deine Einstellungen"
                          ],
                          "h3": [
                            "Datenschutzeinstellungen",
                            "Ostern Korb, personalisierte Osterkorb, Monogramm Osterkorb, Mädchen Korb, jungen Korb, Mädchen Ostern Korb, bestickt, überprüfen",
                            "Äußere rustische Rusty Metall Robin Vogel Garten Zaun Topper Yard Art Gate Post Rasen Skulptur Geschenk Muttertagsgeschenk",
                            "Benutzerdefinierte Aufkleber Bulk-Set. Logo-Aufkleber auf wasserdichte dauerhafte, Qualität Vinyl gedruckt. Schneiden Sie in jede Form.",
                            "Ich werde zeichnen & beschreiben Sie Ihre Zukunft Mann in 12 Stunden, künstlerische psychische, psychische Zeichnung, psychische Lesen Skizze, Liebe psychische schnelle Lesen",
                            "Silikon Osterhase Kuchen Form",
                            "Getrocknete englische Lavendel Bund, duftenden Lavendel, Verschmieren Lavendel, Verschmieren Lavendel, Verschmieren Kraut, Lavendel Bouquet, Lavendel Stiele",
                            "Slipper Socken, Liebe Herz Design, grau, Marineblau, rot, Pflaume, schwarz, Petrol, Valentinstag, Weihnachten, Muttertag, handgefertigt, häkeln",
                            "Topfschrubber / Schwamm - gehäkelt aus 100% Hanf, plastikfrei + zero waste, unsponge, statt Schwamm",
                            "Keramikschalen in schwarz. Einzigartige Küche Dekor, Tauchen Schale, kleine Tauchschüssel, Keramik Schale Set, Keramik Dip Schale, Housewarminggeschenk, Gewürzschale",
                            "Fisch Wärmepackung - Mikrowellen - Linsen Kissen",
                            "Gekochte Wolle Eco Schuhe, Frauen Clogs, Filz rustikale Hygge Hausschuhe, nordische Hausschuhe, Frauen Filz Hausschuhe, natürliche Hauszimmer Schuhe",
                            "Frankfurt Schneidebrett, Käsebrett, Holz, Buche, Stadt, Küche, Geschenk, Hochzeit, Dekoration, Servieren, individuell, minimal, Geburtstag",
                            "Designideen und -inspiration",
                            "Große Keramik hellblau Teekanne",
                            "Speisekammer Etiketten Basic, Glutenfrei, Kräuter, Gewürze, Tees, Nüsse, Öle & Esses - gedruckt wasserdicht Matt Vinyl - benutzerdefinierte Etiketten",
                            "Aufhängung aus Makrame zur Dekoration",
                            "Grüne Keramik Votiv Kerze Halter",
                            "Leinen Schürze. Gewaschene LeinenSchürze in gestreift in natürlicher Leinenfarbe.  Weiche Leinen Küche Schürze für Frauen und Mann. Weihnachtsgeschenk.",
                            "Blass rosa und Taube grau Ombre bemalt samt Kissenbezug, sofort zu versenden UK 12 \"x 20\" (30cm x 50cm) + andere Größen auf Bestellung",
                            "Eine einzigartige Community",
                            "Support für unabhängige Kreative",
                            "Sicher Stöbern, Kaufen und Verkaufen",
                            "Einkaufen auf Etsy",
                            "Verkaufen auf Etsy",
                            "Über Etsy",
                            "Hilfe"
                          ],
                          "h2": [
                            "Notwendige Cookies und Technologien",
                            "Benutzerdefinierte Website-Gestaltung",
                            "Personalisierte Werbung",
                            "Alles für den Frühling",
                            "Aktuell im Trend",
                            "Entdecke einzigartige handverlesene Produkte",
                            "Unsere Lieblingsstücke",
                            "Stöbere in unserer Auswahl",
                            "Stöbere in unserer Auswahl",
                            "Was ist Etsy?",
                            "Das Neueste von unserem Blog",
                            "Fußzeile"
                          ],
                          "h4": [
                            "Noch Fragen? Hier gibt’s Antworten."
                          ]
                        },
                        "description": "Finde das perfekte handgemachte Geschenk, trendige und Vintage-Kleidung, ganz besonderen Schmuck und mehr… vieles mehr.",
                        "favicon": "https://www.etsy.com/images/favicon.ico",
                        "meta_keywords": null,
                        "canonical": "https://www.etsy.com/de/",
                        "internal_links_count": 99,
                        "external_links_count": 8,
                        "inbound_links_count": 28,
                        "images_count": 30,
                        "images_size": 758551,
                        "scripts_count": 7,
                        "scripts_size": 282064,
                        "stylesheets_count": 3,
                        "stylesheets_size": 97246,
                        "title_length": 107,
                        "description_length": 119,
                        "render_blocking_scripts_count": 4,
                        "render_blocking_stylesheets_count": 31,
                        "cumulative_layout_shift": 0.10156329069412295,
                        "content": {
                          "plain_text_size": 9667,
                          "plain_text_rate": 0.038021482708032614,
                          "plain_text_word_count": 1226,
                          "automated_readability_index": 21.083439863562212,
                          "coleman_liau_readability_index": 9.494734111543448,
                          "dale_chall_readability_index": 11.653761227940086,
                          "flesch_kincaid_readability_index": -4.964475900934303,
                          "smog_readability_index": 25.173868470299045,
                          "description_to_content_consistency": 0.2142857164144516,
                          "title_to_content_consistency": 0.5,
                          "meta_keywords_to_content_consistency": null
                        },
                        "deprecated_tags": null,
                        "duplicate_meta_tags": [
                          "description",
                          "viewport"
                        ],
                        "spell": null,
                        "resource_errors": {
                          "errors": [
                            {
                              "line": 755,
                              "message": "No paragraph has been found within the local scope."
                            },
                            {
                              "line": 899,
                              "message": "No paragraph has been found within the local scope."
                            },
                            {
                              "line": 1055,
                              "message": "No paragraph has been found within the local scope."
                            },
                            {
                              "line": 1220,
                              "message": "No paragraph has been found within the local scope."
                            }
                          ],
                          "warnings": [
                            {
                              "line": 0,
                              "message": "Has node with more than 60 childs."
                            },
                            {
                              "line": 0,
                              "message": "Has more that 1500 nodes."
                            }
                          ]
                        },
                        "social_media_tags": {
                          "fb:app_id": "89186614300",
                          "og:site_name": "Etsy",
                          "og:locale": "de_DE",
                          "og:title": "Etsy - Kaufe Handgefertigtes, Vintage-Sachen, Spezialanfertigungen und einzigartige Geschenke für alle ein.",
                          "og:description": "Finde das perfekte handgemachte Geschenk, trendige und Vintage-Kleidung, ganz besonderen Schmuck und mehr… vieles mehr."
                        }
                      },
                      "page_timing": {
                        "time_to_interactive": 1142,
                        "dom_complete": 1845,
                        "largest_contentful_paint": 1648.4750006347895,
                        "first_input_delay": 0.0550001859664917,
                        "connection_time": 9,
                        "time_to_secure_connection": 21,
                        "request_sent_time": 0,
                        "waiting_time": 632,
                        "download_time": 6,
                        "duration_time": 668,
                        "fetch_start": 0,
                        "fetch_end": 668
                      },
                      "onpage_score": 88.36,
                      "total_dom_size": 2992954,
                      "custom_js_response": null,
                      "custom_js_client_exception": null,
                      "broken_resources": false,
                      "broken_links": false,
                      "duplicate_title": true,
                      "duplicate_description": true,
                      "duplicate_content": true,
                      "click_depth": 1,
                      "size": 254576,
                      "encoded_size": 44751,
                      "total_transfer_size": 46552,
                      "fetch_time": "2021-02-24 17:02:10 +00:00",
                      "cache_control": {
                        "cachable": false,
                        "ttl": 0
                      },
                      "checks": {
                        "no_content_encoding": false,
                        "high_loading_time": false,
                        "is_redirect": false,
                        "is_4xx_code": false,
                        "is_5xx_code": false,
                        "is_broken": false,
                        "is_www": true,
                        "is_https": true,
                        "is_http": false,
                        "high_waiting_time": false,
                        "no_doctype": false,
                        "canonical": true,
                        "no_encoding_meta_tag": true,
                        "no_h1_tag": false,
                        "https_to_http_links": false,
                        "has_html_doctype": true,
                        "size_greater_than_3mb": false,
                        "meta_charset_consistency": true,
                        "has_meta_refresh_redirect": false,
                        "has_render_blocking_resources": true,
                        "redirect_chain": false,
                        "low_content_rate": true,
                        "high_content_rate": false,
                        "low_character_count": false,
                        "high_character_count": false,
                        "small_page_size": false,
                        "large_page_size": false,
                        "low_readability_rate": true,
                        "irrelevant_description": false,
                        "irrelevant_title": false,
                        "irrelevant_meta_keywords": false,
                        "title_too_long": true,
                        "title_too_short": false,
                        "deprecated_html_tags": false,
                        "duplicate_meta_tags": true,
                        "duplicate_title_tag": false,
                        "no_image_alt": true,
                        "no_image_title": true,
                        "no_description": false,
                        "no_title": false,
                        "no_favicon": false,
                        "seo_friendly_url": false,
                        "flash": false,
                        "frame": false,
                        "lorem_ipsum": false,
                        "seo_friendly_url_characters_check": true,
                        "seo_friendly_url_dynamic_check": true,
                        "seo_friendly_url_keywords_check": false,
                        "seo_friendly_url_relative_length_check": true,
                        "is_orphan_page": false,
                        "is_link_relation_conflict": false,
                        "has_links_to_redirects": false,
                        "recursive_canonical": false,
                        "canonical_chain": false,
                        "canonical_to_redirect": false,
                        "canonical_to_broken": false
                      },
                      "content_encoding": "gzip",
                      "media_type": "text/html",
                      "server": "Apache",
                      "is_resource": false,
                      "last_modified": {
                        "header": "2021-10-21 14:11:10 +00:00",
                        "sitemap": null,
                        "meta_tag": "2021-03-15 00:00:00 +00:00"
                      }
                    }
                  ]
                }
              ]
            }
          ]
        }
      ]
    }
  ]
}