curl --request POST \
  --url https://demo.onlinebillingform.com/api/v2/package/update \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: multipart/form-data' \
  --form id=123 \
  --form group_id=123 \
  --form 'name=<string>' \
  --form 'description=<string>' \
  --form tax=123 \
  --form 'url=<string>' \
  --form 'trial=<string>' \
  --form 'options=<string>' \
  --form 'keep=<string>' \
  --form files='@example-file' \
  --form product_images='@example-file' \
  --form 'cycle.cycle=<string>' \
  --form 'cycle.price=<string>' \
  --form 'cycle.setup=<string>' \
  --form 'upgrade_paths=<string>' \
  --form 'cycle.id=<string>' \
  --form 'upgrade_paths.*.target_package_id=123' \
  --form 'upgrade_paths.*.sort_order=<string>' \
  --form qty=1 \
  --form 'digital_delivery={
  "delivery_enabled": false,
  "download_policy": "open",
  "max_downloads": 2,
  "link_expiry_hours": 2,
  "watermark_pdfs": false,
  "licensing_enabled": false,
  "activation_limit": 2,
  "customer_license_management": false,
  "maximum_reissues": 2,
  "enforce_domain": true,
  "enforce_ip": false,
  "enforce_installation_path": true,
  "license_key_prefix": "<string>",
  "license_key_length": 20,
  "offline_cache_minutes": 5
}'

import requests

url = "https://demo.onlinebillingform.com/api/v2/package/update"

files = {
    "files": ("example-file", open("example-file", "rb")),
    "product_images": ("example-file", open("example-file", "rb"))
}
payload = {
    "id": "123",
    "group_id": "123",
    "name": "<string>",
    "description": "<string>",
    "tax": "123",
    "url": "<string>",
    "trial": "<string>",
    "options": "<string>",
    "keep": "<string>",
    "cycle.cycle": "<string>",
    "cycle.price": "<string>",
    "cycle.setup": "<string>",
    "upgrade_paths": "<string>",
    "cycle.id": "<string>",
    "upgrade_paths.*.target_package_id": "123",
    "upgrade_paths.*.sort_order": "<string>",
    "qty": "1",
    "digital_delivery": "{
  \"delivery_enabled\": false,
  \"download_policy\": \"open\",
  \"max_downloads\": 2,
  \"link_expiry_hours\": 2,
  \"watermark_pdfs\": false,
  \"licensing_enabled\": false,
  \"activation_limit\": 2,
  \"customer_license_management\": false,
  \"maximum_reissues\": 2,
  \"enforce_domain\": true,
  \"enforce_ip\": false,
  \"enforce_installation_path\": true,
  \"license_key_prefix\": \"<string>\",
  \"license_key_length\": 20,
  \"offline_cache_minutes\": 5
}"
}
headers = {"Authorization": "Bearer <token>"}

response = requests.post(url, data=payload, files=files, headers=headers)

print(response.text)

const form = new FormData();
form.append('id', '123');
form.append('group_id', '123');
form.append('name', '<string>');
form.append('description', '<string>');
form.append('tax', '123');
form.append('url', '<string>');
form.append('trial', '<string>');
form.append('options', '<string>');
form.append('keep', '<string>');
form.append('files', '<string>');
form.append('product_images', '<string>');
form.append('cycle.cycle', '<string>');
form.append('cycle.price', '<string>');
form.append('cycle.setup', '<string>');
form.append('upgrade_paths', '<string>');
form.append('cycle.id', '<string>');
form.append('upgrade_paths.*.target_package_id', '123');
form.append('upgrade_paths.*.sort_order', '<string>');
form.append('qty', '1');
form.append('digital_delivery', '{
  "delivery_enabled": false,
  "download_policy": "open",
  "max_downloads": 2,
  "link_expiry_hours": 2,
  "watermark_pdfs": false,
  "licensing_enabled": false,
  "activation_limit": 2,
  "customer_license_management": false,
  "maximum_reissues": 2,
  "enforce_domain": true,
  "enforce_ip": false,
  "enforce_installation_path": true,
  "license_key_prefix": "<string>",
  "license_key_length": 20,
  "offline_cache_minutes": 5
}');

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

options.body = form;

fetch('https://demo.onlinebillingform.com/api/v2/package/update', 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://demo.onlinebillingform.com/api/v2/package/update",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"id\"\r\n\r\n123\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"group_id\"\r\n\r\n123\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"name\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"description\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"tax\"\r\n\r\n123\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"url\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"trial\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"options\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"keep\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"files\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"product_images\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"cycle.cycle\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"cycle.price\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"cycle.setup\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"upgrade_paths\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"cycle.id\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"upgrade_paths.*.target_package_id\"\r\n\r\n123\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"upgrade_paths.*.sort_order\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"qty\"\r\n\r\n1\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"digital_delivery\"\r\n\r\n{\r\n  \"delivery_enabled\": false,\r\n  \"download_policy\": \"open\",\r\n  \"max_downloads\": 2,\r\n  \"link_expiry_hours\": 2,\r\n  \"watermark_pdfs\": false,\r\n  \"licensing_enabled\": false,\r\n  \"activation_limit\": 2,\r\n  \"customer_license_management\": false,\r\n  \"maximum_reissues\": 2,\r\n  \"enforce_domain\": true,\r\n  \"enforce_ip\": false,\r\n  \"enforce_installation_path\": true,\r\n  \"license_key_prefix\": \"<string>\",\r\n  \"license_key_length\": 20,\r\n  \"offline_cache_minutes\": 5\r\n}\r\n-----011000010111000001101001--",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: multipart/form-data"
  ],
]);

$response = curl_exec($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://demo.onlinebillingform.com/api/v2/package/update"

	payload := strings.NewReader("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"id\"\r\n\r\n123\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"group_id\"\r\n\r\n123\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"name\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"description\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"tax\"\r\n\r\n123\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"url\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"trial\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"options\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"keep\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"files\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"product_images\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"cycle.cycle\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"cycle.price\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"cycle.setup\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"upgrade_paths\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"cycle.id\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"upgrade_paths.*.target_package_id\"\r\n\r\n123\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"upgrade_paths.*.sort_order\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"qty\"\r\n\r\n1\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"digital_delivery\"\r\n\r\n{\r\n  \"delivery_enabled\": false,\r\n  \"download_policy\": \"open\",\r\n  \"max_downloads\": 2,\r\n  \"link_expiry_hours\": 2,\r\n  \"watermark_pdfs\": false,\r\n  \"licensing_enabled\": false,\r\n  \"activation_limit\": 2,\r\n  \"customer_license_management\": false,\r\n  \"maximum_reissues\": 2,\r\n  \"enforce_domain\": true,\r\n  \"enforce_ip\": false,\r\n  \"enforce_installation_path\": true,\r\n  \"license_key_prefix\": \"<string>\",\r\n  \"license_key_length\": 20,\r\n  \"offline_cache_minutes\": 5\r\n}\r\n-----011000010111000001101001--")

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

	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://demo.onlinebillingform.com/api/v2/package/update")
  .header("Authorization", "Bearer <token>")
  .body("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"id\"\r\n\r\n123\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"group_id\"\r\n\r\n123\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"name\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"description\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"tax\"\r\n\r\n123\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"url\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"trial\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"options\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"keep\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"files\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"product_images\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"cycle.cycle\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"cycle.price\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"cycle.setup\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"upgrade_paths\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"cycle.id\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"upgrade_paths.*.target_package_id\"\r\n\r\n123\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"upgrade_paths.*.sort_order\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"qty\"\r\n\r\n1\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"digital_delivery\"\r\n\r\n{\r\n  \"delivery_enabled\": false,\r\n  \"download_policy\": \"open\",\r\n  \"max_downloads\": 2,\r\n  \"link_expiry_hours\": 2,\r\n  \"watermark_pdfs\": false,\r\n  \"licensing_enabled\": false,\r\n  \"activation_limit\": 2,\r\n  \"customer_license_management\": false,\r\n  \"maximum_reissues\": 2,\r\n  \"enforce_domain\": true,\r\n  \"enforce_ip\": false,\r\n  \"enforce_installation_path\": true,\r\n  \"license_key_prefix\": \"<string>\",\r\n  \"license_key_length\": 20,\r\n  \"offline_cache_minutes\": 5\r\n}\r\n-----011000010111000001101001--")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://demo.onlinebillingform.com/api/v2/package/update")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request.body = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"id\"\r\n\r\n123\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"group_id\"\r\n\r\n123\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"name\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"description\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"tax\"\r\n\r\n123\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"url\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"trial\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"options\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"keep\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"files\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"product_images\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"cycle.cycle\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"cycle.price\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"cycle.setup\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"upgrade_paths\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"cycle.id\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"upgrade_paths.*.target_package_id\"\r\n\r\n123\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"upgrade_paths.*.sort_order\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"qty\"\r\n\r\n1\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"digital_delivery\"\r\n\r\n{\r\n  \"delivery_enabled\": false,\r\n  \"download_policy\": \"open\",\r\n  \"max_downloads\": 2,\r\n  \"link_expiry_hours\": 2,\r\n  \"watermark_pdfs\": false,\r\n  \"licensing_enabled\": false,\r\n  \"activation_limit\": 2,\r\n  \"customer_license_management\": false,\r\n  \"maximum_reissues\": 2,\r\n  \"enforce_domain\": true,\r\n  \"enforce_ip\": false,\r\n  \"enforce_installation_path\": true,\r\n  \"license_key_prefix\": \"<string>\",\r\n  \"license_key_length\": 20,\r\n  \"offline_cache_minutes\": 5\r\n}\r\n-----011000010111000001101001--"

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

{
  "success": true,
  "digital_delivery": {
    "delivery_enabled": true,
    "download_policy": "cap_limited",
    "max_downloads": 5,
    "link_expiry_hours": null,
    "ip_locked": true,
    "watermark_pdfs": true,
    "licensing_enabled": true,
    "activation_limit": 1,
    "customer_license_management": true,
    "maximum_reissues": 3,
    "enforce_domain": true,
    "enforce_ip": false,
    "enforce_installation_path": true,
    "license_key_prefix": "APP",
    "license_key_length": 20,
    "offline_cache_minutes": 5
  }
}

{
  "success": false,
  "errors": "Invalid API Key"
}

{
  "success": false,
  "errors": "Insufficient permissions for this endpoint."
}

{
  "success": false,
  "errors": {
    "id": [
      "The id field is required."
    ]
  }
}