Overdue Invoice Overview

Overdue Invoice Overview

Developed By Plambee

Compatible with WHMCS v8.8

Overdue invoices always occur before and depending on the number you can quickly lose the overview as the dunning process with regard to an overdue invoice is currently. Our Overdue Invoice Overview module helps you keep an overview and supports you with a fast request.

The module provides a complete list of all open invoices, including information on the amount, customer and due date. In the detail view of the individual invoices, you then display the complete dunning history. When e.g. WHMCS has sent a reminder, this is indicated by date. Optionally, you have the option to make your own “log” entries, such as Which was sent a final reminder by post. From now on, you have a central point where you can display the complete dunning process for your invoices. Past the times when you had to post-it to your printed bills.

In order to support you with a fast dunning process, the module has the possibility to create an invoice with dunning fees after X days and it can send an e-mail to your bookkeeping after X days. To the collection company.


  • Overview of all open invoices
  • Possibility to create an invoice with a dunning fee after X days (fixed amount and / or percentage)
  • Possibility to free certain customers from the dunning fee
  • Possibility to exempt certain products from the dunning fee
  • Optional e-mail notification to a freely definable e-mail address the invoice XY e.g. To the collection company with details of the open invoices (creation date, due date, amount, KID)
  • Detailed view of the individual invoices with the list of when reminders were sent, with the possibility to manually add own entries
  • Detail view showing all entries of a customer
  • PDF Export the customer detail view
  • PDF Export the invoice details view
  • Possibility to track the opening of payment reminders.


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Version Compatibility

Compatible with WHMCS v8.8

Full Version Compatibility

  • Selected versions of WHMCS v8.8
  • All versions of WHMCS v8.7
  • All versions of WHMCS v8.6
  • All versions of WHMCS v8.5

Support for this product

The best place to start if you need help with a specific product is to contact the developer. All WHMCS Marketplace developers have both a website and support URL listed.

Developed By Plambee


v1.8.1 Released April 11th, 2023

Latest Version

  • WHMCS 8.7 support added
  • Error with PDF creation in combination with PHP 8.1 fixed
  • Support for WHMCS < 8.5 removed
  • Support for PHP 7.2 removed


Previous Versions

v1.8.0 Released November 16th, 2022

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  • WHMCS 8.6 support added
  • PHP 8.1 support added


v1.7.0 Released June 23rd, 2022

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  • WHMCS 8.5 support added
  • Support for WHMCS 8.1 removed


v1.6.4 Released September 1st, 2021

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  • Error message during e-mail tracking fixed


v1.6.4 Released May 11th, 2021

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  • Module logging removed, which was still included for development reasons
  • Compatibility with external modules improved


v1.6.0. Released January 22nd, 2020

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  • WHMCS 7.9 support
  • WHMCS Support < 7.7 removed
  • PHP Support < 7.1 removed
  • Error in tracking fixed
  • Delete data from the module when a client is deleted in WHMCS
  • Fixed a broken link in the customer overview


v1.5.0 Released September 10th, 2019

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  • WHMCS 7.8 support


v1.4.0 Released February 6th, 2019

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  • WHMCS 7.7 support
  • PHP 7.7 support
  • Bug fixed that no e-mail could be sent if the SMTP encryption was set to None


v1.3.0 Released April 16th, 2018

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  • WHMCS 7.5 Support
  • PHP 7.1 & 7.2 Support
  • Fixed: Under certain circumstances, reminders were not tracked
  • Fixed: The PDF was missing the last status in the overview


v1.2.0 Released November 8th, 2017

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  • Possibility to track the opening of payment reminders.


v1.1.0 Released November 1st, 2017

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  • Option to disable payment reminder for the dunning fee invoice


v1.0.0 Released August 17th, 2017

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  • initial support


See also

w2x for Xero

Synchronise your invoices, Contacts, Products and Payments with Xero

QuickBooks Online For WHMCS

Integrate your financial data stored in WHMCS into QuickBooks Online.

KashFlow Accounting

Automatically transfer your billing & transaction history to KashFlow

Zero Invoice Management

Avoid sending notifications or creation of 0€ Invoices

Payment Gateway Fees

Payment Gateway Fees