The SMS Addon + Admin Secure

The SMS Addon + Admin Secure

Developed By WHMCSnow

Compatible with WHMCS v8.10

This is a great addon for WHMCS that allows you to send automated sms message to your clients on defined actions, Such as when they register, place a new order, change their password, complete payment, etc.. You can even send the a custom define sms or mass sms messages in the addon control panel.

This addon will make your company look more professional, and can remind them all important customers when there invoice are due!

SMS Addon Features

  • Automated SMS messages on actions (such as client registration and domain expiry)
  • Fully customisable SMS templates
  • Manually send individual clients a SMS (with AJAX search)
  • Updated: Mass SMS to clients using selective filters
  • Allow clients to choose if they want to receive SMS from you
  • Updated: SMS Log to track errors with up to date API info (from SMS callback)
  • Tag Support, eg. {firstname} - Further personalise the SMS
  • Automatic Unicode Support
  • Multiple SMS gateway support (Clickatell, SMS Global, Telenor, Custom Dev Kit)
  • NEW: SMS API - Integrate the SMS Addon directly into your own script with a few line of code!
  • NEW: Safe Times: SMS scheduling, never wake a client up in the middle of the night!
  • NEW: Automatic client country code prefixing
  • SMS statistics + Widget

Supported Gateways:

  • Clickatell
  • SMS Global
  • SMS Achariya (
  • Telenor
  • Lot's more!
  • Custom Dev Kit

What is Admin Secure?

Admin Secure is a brand new function in the add-on, it seamlessly integrates with the SMS add-on to provide extra security for your admin directory.

Automatically rename admin directory after x days and receive notification of the change Receive notifications when a administrator logs in with an unrecognised IP NEW: Two-Factor Authentication for Clients or Admins via SMS

Pricing Options

  • Semi-Annually: £17.99
  • Annually: £29.99
  • Owned: £69.99

Owned Licenses include 1 Year Support & Updates access with the initial purchase.

After the first year, support & updates access can be optionally renewed to maintain access at a cost of just £9.99 per year.



5 stars
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1 star

Tom K. @tom6791

August 25, 2020 at 07:32:54 PM

No comment provided.

  • 3 years ago
  • Version Number 5.0.8

sir @hamkaransms5427

August 18, 2019 at 06:21:25 PM

"sms word is fantastic, Since SMS marketing is a personal choice, brands have more opportunities to deliver superior services and offer special offers to their best customers" quotes from:

  • 4 years ago
  • Version Number 5.0.8

Allan Michelmore @ControlNetworks

May 2, 2017 at 05:17:53 PM

Fantastic product. I have been using this addon for years, and it has never failed me once. It has infact saved several customers from letting their domain registrations lapse. I would seriously recommend this addon over others.

  • 7 years ago
  • Version Number 5.0.2

Adrian Budzowski @WEB_STUDIO24_LTD

March 14, 2017 at 02:36:17 AM

Perfect product. I already tested similar products, but definately recommend this one. Never had a problem with sending messages, and even if there are any its easy to contact the team and they are very helpfull.

  • 7 years ago
  • Version Number 5.0.2

Version Compatibility

Compatible with WHMCS v8.10

Full Version Compatibility

  • Selected versions of WHMCS v8.10
  • Selected versions of WHMCS v8.9
  • Selected versions of WHMCS v8.8
  • All versions of WHMCS v8.7
  • All versions of WHMCS v8.6
  • All versions of WHMCS v8.5
  • All versions of WHMCS v8.4
  • All versions of WHMCS v8.3
  • All versions of WHMCS v8.2
  • All versions of WHMCS v8.1
  • All versions of WHMCS v8.0
  • All versions of WHMCS v7.10
  • All versions of WHMCS v7.9
  • All versions of WHMCS v7.8
  • All versions of WHMCS v7.7
  • All versions of WHMCS v7.6
  • All versions of WHMCS v7.5
  • All versions of WHMCS v7.4
  • Selected versions of WHMCS v7.3
  • All versions of WHMCS v7.2
  • All versions of WHMCS v7.1
  • All versions of WHMCS v7.0
  • All versions of WHMCS v6.3
  • All versions of WHMCS v6.2
  • All versions of WHMCS v6.1
  • All versions of WHMCS v6.0

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 WHMCSnow


v5.1.7 Released May 22nd, 2024

Latest Version

*Added support for ionCube Loader v13 and PHP 8.2 *Update notifications now shown in admin area


Previous Versions

v5.1.4 Released November 22nd, 2022

View/hide detailed changelog

Added support for ionCube Loader v12 and PHP 8.1


v5.1.3 Released September 26th, 2022

View/hide detailed changelog

*AddTransaction Hook added *Logging system update *Ability to disable Automatic Customer Country Code


v5.1.0 Released May 30th, 2022

View/hide detailed changelog

*SMS logging improvement *Styling updates *SMS signatures *Client search improved *Requirement for “Notify field” removed *General bug fixes


v5.0.9 Released April 7th, 2021

View/hide detailed changelog

Fixed issue with Grace Period in the licensing system


v5.0.8 Released March 8th, 2019

View/hide detailed changelog

*Removal of mcrypt encryption in replacement to OpenSSL *PHP 7.1 & 7.2 Support *Global SMS Tags now allowed on Admin actions


v5.0.2 Released February 17th, 2017

View/hide detailed changelog

*Bug fixes


v5.0.1 Released February 15th, 2017

View/hide detailed changelog

*Empty settings are no longer saved to database, saving storage and parsing performance *Default SMS gateway defined if none set and only single SMS gateway active *AJAX cache + log improvements *ROOTDIR set for SMS proxy *v4 -> v5 gateway migration issues fixed


v5.0.0 Released February 9th, 2017

View/hide detailed changelog

*[NEW] Enable multiple SMS gateway support *[UPDATE] Advance client country code lookup service *Huge code improvements *Styling improvements *[NEW] Test API settings button *[NEW] 2FA Custom codes / length / expiry (#937997) *[NEW] Clear SMS logs (#419252) *[UPDATE] Improved advanced logging and securely send to WHMCSnow support *[UPDATE] Auto update speed/performance increase


v4.0.12 Released March 21st, 2016

View/hide detailed changelog

  • [NEW] Send SMS directly from Client Summary page
  • [NEW] Admin Ticket Flagged hook added - Get notified when a ticket is assigned to you
  • [UPDATE] Certain client actions removed from "Safe Times" (Client Registration, Client Password Change)
  • [NEW] More advanced logging and securely send to WHMCSnow support
  • [BUG] Automatic unicode added to Two-Factor Authentication
  • [BUG] Bug fixed when gateway API returns credit balance of "0"


v4.0.11 Released January 30th, 2016

View/hide detailed changelog

  • Now parses cron's Option Flags to disable SMS's for unneeded duplicate messages
  • Invoice Paid - Now uses "Display Name" instead of shortcode in {paymentgateway} SMS tag
  • Mass SMS - Global SMS tags added to customise bulk messages


See also

Discord Notifications

A simplistic, free & open source hook allowing instant Discord notifications when an action is triggered.

Netgsm Sms

Netgsm Sms addon provides you sending customized bulk sms and creating sms templates.

MSG91 SMS/OTP Plugin

MSG91 WHMCS SMS plugin gives you the power and flexibility to stay connected with your customers by sending them an SMS and OTP's for 2FA at the crucial steps that matters the most.

SMS Manager

More Advanced SMS System

SMS Alert

Send automated SMS alert from WHMCS, and verify users mobile with OTP