curl --request POST \
  --url https://api.print.app/v2/designs/{id}/duplicate \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "title": "<string>",
  "folderId": "<string>"
}
'

import requests

url = "https://api.print.app/v2/designs/{id}/duplicate"

payload = {
    "title": "<string>",
    "folderId": "<string>"
}
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({title: '<string>', folderId: '<string>'})
};

fetch('https://api.print.app/v2/designs/{id}/duplicate', 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.print.app/v2/designs/{id}/duplicate",
  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([
    'title' => '<string>',
    'folderId' => '<string>'
  ]),
  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.print.app/v2/designs/{id}/duplicate"

	payload := strings.NewReader("{\n  \"title\": \"<string>\",\n  \"folderId\": \"<string>\"\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.print.app/v2/designs/{id}/duplicate")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"title\": \"<string>\",\n  \"folderId\": \"<string>\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.print.app/v2/designs/{id}/duplicate")

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  \"title\": \"<string>\",\n  \"folderId\": \"<string>\"\n}"

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

{
  "object": "design",
  "id": "design_01J8Z9K2M3N4P5Q6R7S8T9V0W1",
  "title": "Business Card",
  "unit": "mm",
  "pages": [
    {
      "index": 0,
      "title": "Front",
      "previewUrl": "https://d1p81tn8mwpox2.cloudfront.net/?k=s3%3A%2F%2Fapp-print-cdn%2Fcontent_f1.png&size=1000"
    },
    {
      "index": 1,
      "title": "Back",
      "previewUrl": "https://d1p81tn8mwpox2.cloudfront.net/?k=s3%3A%2F%2Fapp-print-cdn%2Fcontent_b1.png&size=1000"
    }
  ],
  "tags": [
    "cards"
  ],
  "created": "2026-09-02T14:05:11Z",
  "modified": "2026-10-11T08:40:27Z"
}

{
  "error": true,
  "code": "invalid_request",
  "message": "width is required.",
  "param": "width",
  "requestId": "FZn-uhymjoEEJow="
}

{
  "error": true,
  "code": "unauthorized",
  "message": "Missing or invalid secret key. Send it as \"Authorization: Bearer sk_…\".",
  "requestId": "FZn-uhymjoEEJow="
}

{
  "error": true,
  "code": "account_suspended",
  "message": "This account is suspended. Settle the outstanding invoice in the Print.App dashboard.",
  "requestId": "FZn-uhymjoEEJow="
}

{
  "error": true,
  "code": "not_found",
  "message": "Not found.",
  "requestId": "FZn-uhymjoEEJow="
}

{
  "error": true,
  "code": "unsupported_media_type",
  "message": "Send the request body as JSON, with \"Content-Type: application/json\".",
  "requestId": "FZn-uhymjoEEJow="
}

{
  "message": "Too Many Requests"
}

{
  "error": true,
  "code": "internal_error",
  "message": "Something went wrong on our side. Retry the request; if it keeps failing, contact support with the requestId.",
  "requestId": "FZn-uhymjoEEJow="
}