Login-Free Payments removes the step where invoices go to die: the login page. The client clicks the button in the email and is looking at the invoice, ready to pay.

A button in your invoice emails

Add {$pay_link_button} or {$pay_link} to any invoice email template. Each unpaid invoice gets its own link as the email is sent.

Safe by design

Links are signed with a secret unique to your installation, so they cannot be guessed or changed to point at another invoice. A link stops working by itself when the invoice is paid or cancelled.

As strict as you need

Set how many days a link lives and how many times it can be opened. Protect a link with a password you give the client separately; five wrong tries lock it. Withdraw a link, or issue a new address so every copy of the old one is dead.

For SMS, WhatsApp and mail merges

Create links for all unpaid invoices in one click and download them as CSV with invoice, client, email, total and due date.

Know who clicked

The admin page shows how often each link was opened, when, and from which address.

Opening a link signs the visitor in to that client's account through WHMCS single sign-on and shows the invoice, so treat a link like a password.

What you get

  • {$pay_link} and {$pay_link_button} for invoice email templates
  • Signed links that cannot be guessed or altered
  • Stops working when the invoice is paid or cancelled
  • Expiry in days
  • Limit on the number of opens
  • Optional password, locked after five wrong tries
  • Withdraw a link or issue a new address
  • Bulk-create links for all unpaid invoices
  • CSV export for SMS, WhatsApp or mail merge
  • Open count, time and address per link
  • Uses WHMCS single sign-on

Specifications

PlatformWHMCS 8.1 or newer
PHP7.4 – 8.3
Typeaddon module (admin and client area, email hook)
Sign-inWHMCS CreateSsoToken API; the client must allow single sign-on (default)
SignatureHMAC-SHA256 with a per-installation secret
Datamod_appaylink_links
Licenceone WHMCS installation

Questions before you buy?

Ask about compatibility or licensing. Need it to do something it doesn't? We build custom versions for a fixed quote.

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