Overview - Upsun Developer

The Upsun SDKs provide typed client libraries that map to the Upsun CLI commands, letting you manage the platform programmatically from your applications. Both SDKs are currently in Beta — features and APIs may evolve over time.

PHP SDK

Install with Composer

Node.js SDK

Install with npm

Quick comparison

	PHP	Node.js
Package	`upsun/upsun-sdk-php`	`upsun-sdk-node`
Install	`composer require upsun/upsun-sdk-php`	`npm install upsun-sdk-node`
Language	PHP	TypeScript
License	Apache 2.0	Apache 2.0
Source	GitHub	GitHub

Authentication

Both SDKs authenticate with an Upsun API token. Store it in an environment variable and pass it when initializing the client. See each SDK’s README for usage examples.

Last modified on March 9, 2026