request by clicking on a validation link sent to the provided email address. Once the person clicks on the link, the request is validated, and the user is redirected to a public acknowledgment interface.</p>
</li>
<li>
<p><strong>Payment Validation</strong>: This step requires the requester to make a payment through a payment gateway. The user is redirected to a payment page provided by the payment gateway where they need to enter their payment information. Once the payment is validated, the subscription is