How to configure MSG91 WHMCS SMS Plugin?

WHMCS is an all-in-one client management, billing & support solution for online businesses. Handling everything from signup to termination, WHMCS is a powerful automation & support tool.

To create an account on MSG91,  SIGNUP so that you could start exploring our services. Kindly follow the given procedure to configure and set-up MSG91 SMS service with your WHMCS account.

For WHMCS version 6.2 to 7.4:


PHP-5.4 or PHP-5.5, ionCube Loader 4.X


  1. Download the plugin zip file as per your server configuration
  2. Extract the zip file and upload msg91_sms to your WHMCS root - / Module/ Addons folder
  3. Go to Admin panel and select ' Menu >Setup >Addon Modules'
  4. Click on the ‘Activate’ button
  5. Click on ‘Configure’ select ‘Full administrator’ and then click on the 'Save' button
  6. Then go to ‘Menu->Addon> SMS Configuration - MSG91’ and fill the required configuration

For WHMCS version 8.0.x, 8.1.x & 8.2:

If you integrate MSG91 with a paid plugin, first time purchase will yield you free 5000 SMS credit in Transactional or OTP route depending on the policy.

For any further help, you can contact us at [email protected] 

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