This WHMCS Addon Module will allow your customers to generate a Support Pin which will enable you to verify the account holder by using a single pin, which can either be expire each time it is used to verify the customer and/or expired after a number of hours.

Other Themes not full tested yet so I am not sure if it works or not. You can contact me first Click Here
The WS Support Pin License. This module license is suitable if your business only uses one domain. Free support and updates for the two year. Once that year ends, it sends an invoice to you for renewal. It will be $20.99 for the 2 years. After payment, you will continue to receiving support and updates on our module release. If you do not want to continue, you can email us to cancel the invoice - Optional Renewal.
Open Source code version can be installed on any number of domains provided you (your company) own(s) them. You are not allowed to sell or give away the module to others without our permission. Free support and updates for the two years. Once that year ends you will receive an invoice renewal for $59.99 for the two years. You will continue to receive support and update to our module release. If you do not want to continue, please email us to cancel the invoice - Optional Renewals. Orders will be manually reviewed and activated within the next 8-24 hour.
There is NO REFUND on source code or license version. If you have any questions or you are not sure about this module, you can email me here or talk to us via our live chat. Also I will not knowingly provide our services to websites using nulled WHMCS.
As a customer, you are responsible for understanding this upon purchasing
any item on our website.
You will receive an email to verify your email address
(NO FREE EMAIL ADDRESS). Orders are not processed if the email address has not been
successfully verified. If our mails are rejected (bounced back), the Order will be deleted without notice.
If you signup with a nulled WHMCS, it be report to whmcs.com and fraudrecord.com. Make sure you signup with a valid email address from your Top level domain -- if not it will be placed and reported as a fraud.
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