Cancellations - PHP - Mercado Pago Developers
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Create cancellation

It is possible to cancel a specific purchase from the payment ID using the SDK below. For details on request parameters, check the Cancellation API.

          
<?php
 
MercadoPago\SDK::setAccessToken("YOUR_ACCESS_TOKEN");
$payment_id = 000000000;
$payment = MercadoPago\Payment::find_by_id($payment_id);
$payment->status = "cancelled";
$payment->update();
 
?>