Duplicate a custom mailing template

curl --request POST \
  --url https://api.gratona.com/v1/admin/mailing_templates/{id}/duplicate \
  --header 'Authorization: Bearer <token>'

import requests

url = "https://api.gratona.com/v1/admin/mailing_templates/{id}/duplicate"

headers = {"Authorization": "Bearer <token>"}

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

print(response.text)

const options = {method: 'POST', headers: {Authorization: 'Bearer <token>'}};

fetch('https://api.gratona.com/v1/admin/mailing_templates/{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.gratona.com/v1/admin/mailing_templates/{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_HTTPHEADER => [
    "Authorization: Bearer <token>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://api.gratona.com/v1/admin/mailing_templates/{id}/duplicate"

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

	req.Header.Add("Authorization", "Bearer <token>")

	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.gratona.com/v1/admin/mailing_templates/{id}/duplicate")
  .header("Authorization", "Bearer <token>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.gratona.com/v1/admin/mailing_templates/{id}/duplicate")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'

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

{
  "data": {
    "id": 42,
    "name": "Education impact letter",
    "scope_type": "donor",
    "template_kind": "custom",
    "preset_key": "Example",
    "render_strategy": "unlayer_pdf",
    "description": "Example",
    "is_active": true,
    "program_ids": [
      42
    ],
    "program_bindings": [
      {
        "id": 42,
        "program_id": 42,
        "name": "Example"
      }
    ],
    "applicability_label": "Client-wide",
    "documents": [
      {
        "id": 42,
        "document_kind": "letter",
        "page_preset": "us_letter_portrait",
        "editor_mode": "unlayer",
        "html": "<p>Dear [donor_name], thank you for your support.</p>",
        "design": "{`body`:{}}",
        "settings_json": {}
      }
    ],
    "has_labels": true,
    "created_at": "2026-10-20T12:00:00Z",
    "updated_at": "2026-10-20T12:00:00Z"
  }
}

{
  "message": "Unauthorized",
  "status": "error"
}

{
  "message": "Not Found",
  "status": "error"
}

{
  "errors": {},
  "status": "error",
  "message": "The given data was invalid."
}