> For the complete documentation index, see [llms.txt](https://layerlabs.gitbook.io/phone-verification-system/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://layerlabs.gitbook.io/phone-verification-system/setup-guide.md).

# Setup Guide

* Order Layer's PVS WHMCS Module
* Create an account at an SMS Gateway Provider or Integrate with another Provider's API using Custom Dev Kit (Optional)
  * For [Vonage](https://www.vonage.com)'s (Nexmo) guide click [here](/phone-verification-system/sms-gateway-providers/vonage-nexmo.md)
  * For [Clickatell](https://www.clickatell.com/)'s guide click [here](/phone-verification-system/sms-gateway-providers/clickatell.md)
  * For [Twilio](https://www.twilio.com/)'s guide click [here](/phone-verification-system/sms-gateway-providers/twilio.md)
  * For [MSG91](http://msg91.com)'s guide click [here](/phone-verification-system/sms-gateway-providers/msg91.md)
  * For [MessageBird](https://messagebird.com/en)'s guide click [here](/phone-verification-system/sms-gateway-providers/messagebird.md)
  * (Optional) For [MaxMind](https://www.maxmind.com/): register for an account, verify your email, purchase credits, or get 1,000 free credits to trial the system - keep your minFraud User ID and minFraud license key for later. For more details click [here](/phone-verification-system/advanced/maxmind-minfraud.md).
* Download the latest module ZIP file, unzip it, and upload the modules folders to your WHMCS root directory
* Go to your WHMCS Admin area, and go to the Addon Modules page. Activate Layer's PVS module, and then configure the module. Fill in the details based on the SMS Gateway Provider used, the [verification strategy](/phone-verification-system/verification-strategy.md), and the choices you make, and give access to the admin roles.
* (Optional) [Integrate multiple languages for client side (multilang)](/phone-verification-system/advanced/multilang-translation.md)