Google Cloud IoT Core for PHP

Idiomatic PHP client for Google Cloud IoT Core.

Latest Stable Version Packagist

NOTE: This repository is part of Google Cloud PHP. Any support requests, bug reports, or development contributions should be directed to that project.

A fully managed service for securely connecting and managing IoT devices, from a few to millions. Ingest data from connected devices and build rich applications that integrate with the other big data services of Google Cloud Platform.


To begin, install the preferred dependency manager for PHP, Composer.

Now install this component:

$ composer require google/cloud-iot


Please see our Authentication guide for more information on authenticating your client. Once authenticated, you'll be ready to start making requests.


require 'vendor/autoload.php';

use Google\Cloud\Iot\V1\DeviceManagerClient;

$deviceManager = new DeviceManagerClient();

$projectId = '[MY_PROJECT_ID]';
$location = 'us-central1';
$registryId = '[MY_REGISTRY_ID]';
$registryName = $deviceManager->registryName($projectId, $location, $registryId);
$devices = $deviceManager->listDevices($registryName);
foreach ($devices->iterateAllElements() as $device) {
    printf('Device: %s : %s' . PHP_EOL,


This component is considered GA (generally available). As such, it will not introduce backwards-incompatible changes in any minor or patch releases. We will address issues and requests with the highest priority.

Next Steps

  1. Understand the official documentation.
  2. Take a look at in-depth usage samples.