Billing & Invoicing

Emite comprobantes fiscales en Argentina (AFIP)

This extension allows you to easily start accepting Bitcoin payments in your WHMCS using BTCPay Server — a free, self-hosted and open-source Bitcoin payment gateway.

Multi-standard e-Invoicing, Payment Codes and Statement Processing

Manage your invoices simply and easily

Design your WHMCS invoices and quotes in a more professional and full control

This module helps you restrict gateways to specific countries or/and based on minimum order amount

Gateway no fees Addon

Avalara AvaTax for WHMCS is the all-in-one Address Verification and Tax Calculation module for WHMCS.

Remind your clients before cancelling service

Support the self-service renewal of domain name, virtual host, VPS / independent server and additional services in advance. Users can choose the renewal duration and use the discount code.

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".

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.

Provide payment methods only for certain countries or customers.

e-comercial.pt WHMCS Module

YOUR GATWAY TO GST compliance, by creating your invoices as per the Government norms.

Automatically synchronize payment date with service (re)activation date

Create custom data and custom fields for old invoices also modify them.

Allow clients to both see their Credit Balance, Credit history and Transaction History straight from the client area

Easily allocate payments from FNB transaction exports, Or potentially any CSV file