Product Configuration in WHMCS

Mikrotik WireGuard VPN module WHMCS
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Navigate to System Settings > Products/Services > Create a New Product in WHMCS admin area.
Select the "PUQ Mikrotik WireGuard VPN" module on the Module Settings tab.

Product module settings with all configuration panels

License Key
Enter a valid, pre-purchased license key for the module. The license status is displayed below the key field.

Mikrotik & Bandwidth

Field
Description
Default

WireGuard Interface
Name of the WireGuard interface on the Mikrotik router (must be pre-created)
wireguard1

Comment prefix
Prefix added to VPN peer and queue comments on Mikrotik
whmcs

Upload (Mbs/s)
Upload bandwidth speed limit in Mbps
1

Download (Mbs/s)
Download bandwidth speed limit in Mbps
1

WireGuard Configuration
These settings are included in the WireGuard client configuration file provided to customers:

Field
Description
Default

Allowed IPs
IP ranges allowed to route through the VPN tunnel
0.0.0.0/0, ::/0

DNS Servers
DNS servers to use when connected to VPN (comma-separated)
8.8.8.8, 1.1.1.1

Persistent Keepalive
Interval for sending keepalive packets (15/25/30/60/120 seconds)
25 seconds

Allowed IPs examples:

0.0.0.0/0, ::/0 — route all IPv4 and IPv6 traffic through VPN (full tunnel)

10.0.0.0/8, 192.168.0.0/16 — route only specific networks (split tunnel)

History

Field
Description
Default

Disable statistics collection
When enabled, traffic statistics will not be collected and the statistics page will be hidden from the client area
Unchecked

Save history (days)
Number of days to keep usage statistics in WHMCS (minimum 32 days)
32

Client Area

Field
Description
Default

Link to instruction
URL to setup instructions (displayed in client area as "User manual" button)
Empty

Link to VPN clients
URL to WireGuard client downloads page (displayed as "VPN client" button)
Empty

Recommended: Set "Link to VPN clients" to https://www.wireguard.com/install/ — the official WireGuard client downloads page.

Metric Billing
The module supports usage-based billing through WHMCS Metric Billing. Two metrics are available:

Bandwidth Usage Download (GB) — monthly download traffic in gigabytes

Bandwidth Usage Upload (GB) — monthly upload traffic in gigabytes

To enable metric billing, go to the product's Metric Billing section and toggle the desired metrics ON, then click Configure Pricing to set the per-GB price.

Metric Billing settings with Download and Upload metrics enabled