Billing & Invoicing

Add an admin invoice-page button to force-mark invoices as Draft (workaround to edit invoices locked in Unpaid/Paid).

A WHMCS module that allows hosting providers to offer time-limited trial services with automatic suspension or termination at the end of the trial period.

Powerful checkout field control for WHMCS. Create per-product, per-country, and per-client group field rules — hide, require, validate, or auto-fill any checkout field without editing core files.

Este módulo integra o WHMCS à API Nacional de NFS-e, permitindo operar a rotina completa de emissão de notas fiscais de serviço SEM DEPENDER DE TERCEIROS e SEM COBRANÇA POR NOTA FISCAL.

Easy invoicing and uploading invoices to the national e-invoice system via the Oblio platform

Recover lost revenue by automatically detecting abandoned carts, sending recovery emails, and restoring carts with applied discounts — all seamlessly integrated into WHMCS.

Send B2B/B2G WHMCS invoices over the Peppol network through a certified Access Point. EU-compliant e-invoicing for hosting providers.

Smart Promotions is a powerful WHMCS module that helps providers create smarter, more targeted promotions with invoice promo codes, campaign popups, offer directories, bulk code generation, and abandoned cart recovery.

Automate e-Fatura and e-Arşiv processes in WHMCS with QNB e-Solutions.

Rule-based discounts that apply automatically at checkout (no promo code), product bundles for one price, and true free trials, all managed with searchable pickers and a step-by-step builder.

Let clients access and pay WHMCS invoices without logging in.

Complete Indian GST compliance for WHMCS: automated IGST/CGST/SGST tax rules, branded GST invoice PDFs, SAC codes, GSTR-1 and export CSV reports.