curl --request PATCH \
  --url https://vortexpdf.com/api/v1/templates/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "template": {
    "content": "<h1>Invoice</h1><p>This is a sample invoice template</p>",
    "name": "Invoice Template",
    "preview_context": {
      "amount": 1000,
      "customer": "Acme Inc."
    }
  }
}
'

import requests

url = "https://vortexpdf.com/api/v1/templates/{id}"

payload = { "template": {
        "content": "<h1>Invoice</h1><p>This is a sample invoice template</p>",
        "name": "Invoice Template",
        "preview_context": {
            "amount": 1000,
            "customer": "Acme Inc."
        }
    } }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.patch(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'PATCH',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    template: {
      content: '<h1>Invoice</h1><p>This is a sample invoice template</p>',
      name: 'Invoice Template',
      preview_context: {amount: 1000, customer: 'Acme Inc.'}
    }
  })
};

fetch('https://vortexpdf.com/api/v1/templates/{id}', 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://vortexpdf.com/api/v1/templates/{id}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PATCH",
  CURLOPT_POSTFIELDS => json_encode([
    'template' => [
        'content' => '<h1>Invoice</h1><p>This is a sample invoice template</p>',
        'name' => 'Invoice Template',
        'preview_context' => [
                'amount' => 1000,
                'customer' => 'Acme Inc.'
        ]
    ]
  ]),
  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://vortexpdf.com/api/v1/templates/{id}"

	payload := strings.NewReader("{\n  \"template\": {\n    \"content\": \"<h1>Invoice</h1><p>This is a sample invoice template</p>\",\n    \"name\": \"Invoice Template\",\n    \"preview_context\": {\n      \"amount\": 1000,\n      \"customer\": \"Acme Inc.\"\n    }\n  }\n}")

	req, _ := http.NewRequest("PATCH", 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.patch("https://vortexpdf.com/api/v1/templates/{id}")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"template\": {\n    \"content\": \"<h1>Invoice</h1><p>This is a sample invoice template</p>\",\n    \"name\": \"Invoice Template\",\n    \"preview_context\": {\n      \"amount\": 1000,\n      \"customer\": \"Acme Inc.\"\n    }\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://vortexpdf.com/api/v1/templates/{id}")

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

request = Net::HTTP::Patch.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"template\": {\n    \"content\": \"<h1>Invoice</h1><p>This is a sample invoice template</p>\",\n    \"name\": \"Invoice Template\",\n    \"preview_context\": {\n      \"amount\": 1000,\n      \"customer\": \"Acme Inc.\"\n    }\n  }\n}"

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

{
  "data": {
    "content": "<h1>Invoice</h1><p>This is a sample invoice template</p>",
    "id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
    "inserted_at": "2020-01-01T00:00:00Z",
    "name": "Invoice Template",
    "preview_context": {
      "amount": 1000,
      "customer": "Acme Inc."
    },
    "updated_at": "2020-01-01T00:00:00Z"
  }
}

{
  "error": "unauthorized",
  "message": "Authentication required to access this resource"
}

{
  "error": "unauthorized",
  "message": "Authentication required to access this resource"
}

{
  "error": {
    "message": "<string>"
  }
}

{
  "errors": [
    {
      "detail": "null value where string expected",
      "source": {
        "pointer": "/data/attributes/petName"
      },
      "title": "Invalid value"
    }
  ]
}