Sign up for LemonInk — Before you begin, you need to sign up for a LemonInk account and obtain an API key.
Minimum requirements — To run the SDK, your system will need to meet the minimum requirements, including having PHP >= 5.5.

Example

<?php

require "vendor/autoload.php";

$client = new LemonInk\Client("your-api-key");

$transaction = new LemonInk\Models\Transaction();
$transaction->setMasterId("id-of-a-master-file");
$transaction->setWatermarkValue("Text you want to have embedded in your file");

$client->save($transaction);

echo "Download your file from {$transaction->getUrl()}\n";