Billing & Invoicing
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Addon Module for the Swiss PostFinance ISR/ESR/BVR/PVR payment slips
Design your WHMCS invoices and quotes in a more professional and full control
Easily replace the default invoice with this fully responsive, enhanced version
This WHMCS addon module changes the invoice date to be the same date as the due date for automatically generated invoices by cron and invoices initiated from the admin area for individual clients created by selecting "Generate Due Invoices".
A simple but powerful SEPA direct debit module. First developed in 2010.
Docsaway mailing platform prints and posts PDF documents from multiple worldwide locations. And now, integrating mailing direct from WHMCS via Docsaway is a breeze thanks to a this new module.
A necessary addon for service providers. Invoice customers for credit hour retainers and then track time against the balance. Includes client-side reporting of balance activity.
This module will allow you to provide OneCard payment for "onecard.net" as payment option to your custommers
Credit balance expiration will check all clients credit balance date and if a client credit balance reach the expiry date that the admin setup in the credit balance expiration setting
PayTabs is a company aiming to revolutionize online payments by providing simple and trusted Payment Processing Solutions
This addon makes it possible to define a contract time and a notice period before cancellation for every product in WHMCS.
Modify Proxmox Cloud servers according to their load and let your clients handle scaling rules.
YOUR GATWAY TO GST compliance, by creating your invoices as per the Government norms.
Allow Clients to cancel fund invoices & automated cancellations of fund invoices
Automatically synchronize payment date with service (re)activation date