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[Authentication & Authorization](/categories/authentication) 4. / 5. google/cloud-iam-credentials ActiveLibrary[Authentication & Authorization](/categories/authentication) google/cloud-iam-credentials ============================ Google Cloud Iam Credentials Client for PHP v2.2.0(2mo ago)468.3k↓51.8%2Apache-2.0PHPPHP ^8.1CI passing Since Jun 30Pushed 2mo ago36 watchersCompare [ Source](https://github.com/googleapis/google-cloud-php-iam-credentials)[ Packagist](https://packagist.org/packages/google/cloud-iam-credentials)[ RSS](/packages/google-cloud-iam-credentials/feed)WikiDiscussions main Synced 1w ago READMEChangelog (10)Dependencies (4)Versions (37)Used By (0) Google Cloud Iam Credentials for PHP ==================================== [](#google-cloud-iam-credentials-for-php) > Idiomatic PHP client for [Google Cloud Iam Credentials](https://cloud.google.com/iam). [![Latest Stable Version](https://camo.githubusercontent.com/eec35264717b7bbedaa3a8c7b440def16863641ec5916e7c5a287795385bec08/68747470733a2f2f706f7365722e707567782e6f72672f676f6f676c652f636c6f75642d69616d2d63726564656e7469616c732f762f737461626c65)](https://packagist.org/packages/google/cloud-iam-credentials) [![Packagist](https://camo.githubusercontent.com/9e322aa47602ca109487d919b7695b35e4bbc42179b56ad24b655cd6eaaa005a/68747470733a2f2f696d672e736869656c64732e696f2f7061636b61676973742f646d2f676f6f676c652f636c6f75642d69616d2d63726564656e7469616c732e737667)](https://packagist.org/packages/google/cloud-iam-credentials) - [API documentation](https://cloud.google.com/php/docs/reference/cloud-iam-credentials/latest) **NOTE:** This repository is part of [Google Cloud PHP](https://github.com/googleapis/google-cloud-php). Any support requests, bug reports, or development contributions should be directed to that project. ### Installation [](#installation) To begin, install the preferred dependency manager for PHP, [Composer](https://getcomposer.org/). Now install this component: ``` $ composer require google/cloud-iam-credentials ``` This component supports both REST over HTTP/1.1 and gRPC. In order to take advantage of the benefits offered by gRPC (such as streaming methods) please see our [gRPC installation guide](https://cloud.google.com/php/grpc). ### Authentication [](#authentication) Please see our [Authentication guide](https://github.com/googleapis/google-cloud-php/blob/main/AUTHENTICATION.md) for more information on authenticating your client. Once authenticated, you'll be ready to start making requests. ### Sample [](#sample) ``` use Google\ApiCore\ApiException; use Google\Cloud\Iam\Credentials\V1\Client\IAMCredentialsClient; use Google\Cloud\Iam\Credentials\V1\SignBlobRequest; use Google\Cloud\Iam\Credentials\V1\SignBlobResponse; // Create a client. $iAMCredentialsClient = new IAMCredentialsClient(); // Prepare the request message. $request = (new SignBlobRequest()) ->setName($formattedName) ->setPayload($payload); // Call the API and handle any network failures. try { /** @var SignBlobResponse $response */ $response = $iAMCredentialsClient->signBlob($request); printf('Response data: %s' . PHP_EOL, $response->serializeToJsonString()); } catch (ApiException $ex) { printf('Call failed with message: %s' . PHP_EOL, $ex->getMessage()); } ``` ### Debugging [](#debugging) Please see our [Debugging guide](https://github.com/googleapis/google-cloud-php/blob/main/DEBUG.md)for more information about the debugging tools. ### Version [](#version) 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 [](#next-steps) 1. Understand the [official documentation](https://cloud.google.com/iam/docs). ### Health Score 56 — FairBetter than 97% of packages Maintenance83 Actively maintained with recent releases Popularity36 Limited adoption so far Community22 Small or concentrated contributor base Maturity72 Established project with proven stability Bus Factor2 2 contributors hold 50%+ of commits How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window. **Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores. **Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement. **Maturity (30%)** — Project age, version count, PHP version support, and release stability. ### Release Activity Cadence Every ~49 days Recently: every ~60 days Total 36 Last Release 84d ago Major Versions v0.2.3 → v1.0.02022-12-07 v1.2.5 → v2.0.0-RC12024-08-30 PHP version history (3 changes)v1.0.5PHP >=7.4 v1.2.2PHP ^8.0 v2.0.4PHP ^8.1 ### Community Maintainers ![](https://www.gravatar.com/avatar/3901206952845568d7557a60855b097f6d1bafaa7a24020cfcf5bb8de74f9d28?d=identicon)[google-cloud](/maintainers/google-cloud) --- Top Contributors [![release-please[bot]](https://avatars.githubusercontent.com/in/40688?v=4)](https://github.com/release-please[bot] "release-please[bot] (35 commits)")[![bshaffer](https://avatars.githubusercontent.com/u/103941?v=4)](https://github.com/bshaffer "bshaffer (31 commits)")[![gcf-owl-bot[bot]](https://avatars.githubusercontent.com/in/99011?v=4)](https://github.com/gcf-owl-bot[bot] "gcf-owl-bot[bot] (21 commits)")[![saranshdhingra](https://avatars.githubusercontent.com/u/1038319?v=4)](https://github.com/saranshdhingra "saranshdhingra (2 commits)")[![vishwarajanand](https://avatars.githubusercontent.com/u/7369612?v=4)](https://github.com/vishwarajanand "vishwarajanand (2 commits)")[![Hectorhammett](https://avatars.githubusercontent.com/u/9062626?v=4)](https://github.com/Hectorhammett "Hectorhammett (1 commits)")[![chingor13](https://avatars.githubusercontent.com/u/32483?v=4)](https://github.com/chingor13 "chingor13 (1 commits)")[![dwsupplee](https://avatars.githubusercontent.com/u/2079879?v=4)](https://github.com/dwsupplee "dwsupplee (1 commits)")[![ajupazhamayil](https://avatars.githubusercontent.com/u/14087896?v=4)](https://github.com/ajupazhamayil "ajupazhamayil (1 commits)")[![renovate-bot](https://avatars.githubusercontent.com/u/25180681?v=4)](https://github.com/renovate-bot "renovate-bot (1 commits)") ### Code Quality TestsPHPUnit ### Embed Badge ![Health badge](/badges/google-cloud-iam-credentials/health.svg) ``` [![Health](https://phpackages.com/badges/google-cloud-iam-credentials/health.svg)](https://phpackages.com/packages/google-cloud-iam-credentials) ``` ### Alternatives [google/cloud Google Cloud Client Library 1.2k16.5M56](/packages/google-cloud)[google/cloud-core Google Cloud PHP shared dependency, providing functionality useful to all components. 343128.8M101](/packages/google-cloud-core)[googleads/google-ads-php Google Ads API client for PHP 3478.1M11](/packages/googleads-google-ads-php)[google/cloud-translate Cloud Translation Client for PHP 20316.9M99](/packages/google-cloud-translate)[google/cloud-pubsub Cloud PubSub Client for PHP 9018.2M72](/packages/google-cloud-pubsub)[google/analytics-data Google Analytics Data Client for PHP 1199.4M47](/packages/google-analytics-data) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)