![`kelunik/acme-client`](./res/logo.png)

`kelunik/acme-client` is an ACME client written in PHP. ACME is the protocol that powers the [Let's Encrypt](https://letsencrypt.org) certificate authority.

## Requirements

 * PHP 7.4+ with OpenSSL
 * Works on Unix-like systems and Windows

## Documentation

 * [Installation](./doc/installation.md)
 * [Usage](./doc/usage.md)
 * [Migration guide for 0.1.x → 0.2.x](./doc/migrations/0.2.0.md)