curl --request PATCH \
  --url https://api.amplify.xyz/v1/esign_templates/{templateId} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "file_type": "pdf",
  "page_count": 1,
  "source": "app",
  "template_source": "blank",
  "template_source_id": 0,
  "theme": {
    "text": {
      "font": "Arial",
      "size": "14px",
      "style": [],
      "color": "#000000",
      "capitalization": "unset",
      "line_spacing": 1
    },
    "background": {
      "color": "#FFFFFF",
      "opacity": 100
    },
    "background_image": {
      "url": "",
      "size": "cover",
      "position": "left_top",
      "is_repeating": false,
      "opacity": 100
    },
    "applied_to_page": "all_pages"
  },
  "config": {
    "message": "Please review this document online.\n\nBest regards,\nweb one",
    "notify_emails": [],
    "redirect_url": ""
  }
}
'

import requests

url = "https://api.amplify.xyz/v1/esign_templates/{templateId}"

payload = {
    "file_type": "pdf",
    "page_count": 1,
    "source": "app",
    "template_source": "blank",
    "template_source_id": 0,
    "theme": {
        "text": {
            "font": "Arial",
            "size": "14px",
            "style": [],
            "color": "#000000",
            "capitalization": "unset",
            "line_spacing": 1
        },
        "background": {
            "color": "#FFFFFF",
            "opacity": 100
        },
        "background_image": {
            "url": "",
            "size": "cover",
            "position": "left_top",
            "is_repeating": False,
            "opacity": 100
        },
        "applied_to_page": "all_pages"
    },
    "config": {
        "message": "Please review this document online.

Best regards,
web one",
        "notify_emails": [],
        "redirect_url": ""
    }
}
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({
    file_type: 'pdf',
    page_count: 1,
    source: 'app',
    template_source: 'blank',
    template_source_id: 0,
    theme: {
      text: {
        font: 'Arial',
        size: '14px',
        style: [],
        color: '#000000',
        capitalization: 'unset',
        line_spacing: 1
      },
      background: {color: '#FFFFFF', opacity: 100},
      background_image: {
        url: '',
        size: 'cover',
        position: 'left_top',
        is_repeating: false,
        opacity: 100
      },
      applied_to_page: 'all_pages'
    },
    config: {
      message: 'Please review this document online.\n\nBest regards,\nweb one',
      notify_emails: [],
      redirect_url: ''
    }
  })
};

fetch('https://api.amplify.xyz/v1/esign_templates/{templateId}', 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.amplify.xyz/v1/esign_templates/{templateId}",
  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([
    'file_type' => 'pdf',
    'page_count' => 1,
    'source' => 'app',
    'template_source' => 'blank',
    'template_source_id' => 0,
    'theme' => [
        'text' => [
                'font' => 'Arial',
                'size' => '14px',
                'style' => [
                                
                ],
                'color' => '#000000',
                'capitalization' => 'unset',
                'line_spacing' => 1
        ],
        'background' => [
                'color' => '#FFFFFF',
                'opacity' => 100
        ],
        'background_image' => [
                'url' => '',
                'size' => 'cover',
                'position' => 'left_top',
                'is_repeating' => false,
                'opacity' => 100
        ],
        'applied_to_page' => 'all_pages'
    ],
    'config' => [
        'message' => 'Please review this document online.

Best regards,
web one',
        'notify_emails' => [
                
        ],
        'redirect_url' => ''
    ]
  ]),
  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.amplify.xyz/v1/esign_templates/{templateId}"

	payload := strings.NewReader("{\n  \"file_type\": \"pdf\",\n  \"page_count\": 1,\n  \"source\": \"app\",\n  \"template_source\": \"blank\",\n  \"template_source_id\": 0,\n  \"theme\": {\n    \"text\": {\n      \"font\": \"Arial\",\n      \"size\": \"14px\",\n      \"style\": [],\n      \"color\": \"#000000\",\n      \"capitalization\": \"unset\",\n      \"line_spacing\": 1\n    },\n    \"background\": {\n      \"color\": \"#FFFFFF\",\n      \"opacity\": 100\n    },\n    \"background_image\": {\n      \"url\": \"\",\n      \"size\": \"cover\",\n      \"position\": \"left_top\",\n      \"is_repeating\": false,\n      \"opacity\": 100\n    },\n    \"applied_to_page\": \"all_pages\"\n  },\n  \"config\": {\n    \"message\": \"Please review this document online.\\n\\nBest regards,\\nweb one\",\n    \"notify_emails\": [],\n    \"redirect_url\": \"\"\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://api.amplify.xyz/v1/esign_templates/{templateId}")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"file_type\": \"pdf\",\n  \"page_count\": 1,\n  \"source\": \"app\",\n  \"template_source\": \"blank\",\n  \"template_source_id\": 0,\n  \"theme\": {\n    \"text\": {\n      \"font\": \"Arial\",\n      \"size\": \"14px\",\n      \"style\": [],\n      \"color\": \"#000000\",\n      \"capitalization\": \"unset\",\n      \"line_spacing\": 1\n    },\n    \"background\": {\n      \"color\": \"#FFFFFF\",\n      \"opacity\": 100\n    },\n    \"background_image\": {\n      \"url\": \"\",\n      \"size\": \"cover\",\n      \"position\": \"left_top\",\n      \"is_repeating\": false,\n      \"opacity\": 100\n    },\n    \"applied_to_page\": \"all_pages\"\n  },\n  \"config\": {\n    \"message\": \"Please review this document online.\\n\\nBest regards,\\nweb one\",\n    \"notify_emails\": [],\n    \"redirect_url\": \"\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.amplify.xyz/v1/esign_templates/{templateId}")

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  \"file_type\": \"pdf\",\n  \"page_count\": 1,\n  \"source\": \"app\",\n  \"template_source\": \"blank\",\n  \"template_source_id\": 0,\n  \"theme\": {\n    \"text\": {\n      \"font\": \"Arial\",\n      \"size\": \"14px\",\n      \"style\": [],\n      \"color\": \"#000000\",\n      \"capitalization\": \"unset\",\n      \"line_spacing\": 1\n    },\n    \"background\": {\n      \"color\": \"#FFFFFF\",\n      \"opacity\": 100\n    },\n    \"background_image\": {\n      \"url\": \"\",\n      \"size\": \"cover\",\n      \"position\": \"left_top\",\n      \"is_repeating\": false,\n      \"opacity\": 100\n    },\n    \"applied_to_page\": \"all_pages\"\n  },\n  \"config\": {\n    \"message\": \"Please review this document online.\\n\\nBest regards,\\nweb one\",\n    \"notify_emails\": [],\n    \"redirect_url\": \"\"\n  }\n}"

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