## Installation Download latest library release from [here](https://github.com/ChargebackHelp/merchant-op-php/releases) ![](./images/release.png) Extract the library into a directory in your project (example: libs/MerchantOP) and add the path to composer autoloader ```json your-project/composer.json { ... "autoload": { "psr-4": { ... "MerchantOP\\": "libs/MerchantOP/src" } } } ``` ```shell script composer dumpautoload ```