WerninBill Card & Crypto Payments

WerninBill Card & Crypto Payments

Developed By WerninBill

Compatible with WHMCS v9.0

WerninBill adds a hosted payment gateway to WHMCS. Your clients pay invoices by credit or debit card, Apple Pay or Google Pay through licensed on-ramp providers, and you receive USDC on the Polygon network in a self-custodial wallet you control.

It's built for hosting, VPS and SaaS businesses that have trouble getting or keeping a card merchant account.

How it works

  1. The client clicks Pay on a WHMCS invoice and is sent to the hosted WerninBill checkout.
  2. The client pays by card, Apple Pay or Google Pay with a provider available in their country.
  3. The payment arrives as USDC and is forwarded to your wallet.
  4. The module's callback marks the invoice as paid.

Features

  • Card, Apple Pay and Google Pay on WHMCS invoices
  • Hosted checkout, so no card data touches your server
  • Automatic invoice status update through a signed callback
  • Payouts go straight to your own wallet as soon as the payment confirms. WerninBill never holds your funds
  • Custom description text shown to clients at checkout
  • Optional custom domain for the checkout page

Installation

  1. Upload modules/gateways/werninbill.php and modules/gateways/callback/werninbill.php to the same paths in your WHMCS installation.
  2. Go to System Settings → Payment Gateways and activate WerninBill.
  3. Enter your USDC (Polygon) wallet address. Use a self-custodial wallet such as MetaMask, not an exchange deposit address.
  4. Save, then pay a small test invoice before going live.

Pricing

The module is free. WerninBill charges 1% per successful transaction, with no setup or monthly fee. The card provider charges its own processing fee, which depends on the client's country and card type.

Availability and restrictions

Which providers a client sees depends on their country, currency and the invoice amount. Providers may ask the payer to verify their identity on some transactions. Adult content, gambling, drugs and illegal goods or services are not permitted.

Support

Email [email protected] with your WHMCS version and, for a specific payment, the invoice number or wallet address.

 

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Version Compatibility


Compatible with WHMCS v9.0

Full Version Compatibility


  • All versions of WHMCS v9.0
  • All versions of WHMCS v8.13
  • All versions of WHMCS v8.12
  • All versions of WHMCS v8.11
  • Selected versions of WHMCS v8.10
        8.10.0
  • Selected versions of WHMCS v8.9
        8.9.0
  • Selected versions of WHMCS v8.8
        8.8.0
  • 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

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 WerninBill

Changelog

v1.0.0 Released September 25th, 2026

Latest Version


  • Initial release
  • Card, Apple Pay and Google Pay payments on WHMCS invoices through a hosted checkout
  • Payouts in USDC (Polygon) to the merchant's own wallet
  • Signed callback that adds the payment and marks the invoice as paid
  • Optional custom domain for the checkout page

 

See also

WHMCS Bitcoin Payments

Accept Bitcoin payments on your website

Free
Accept Bitcoin and cryptocurrency payments - CoinGate for WHMCS

Easily accept Bitcoin, Tether, Ethereum and many other crypto payments on your WHMCS website

Free
Coinbase Commerce

No Fees, Easy Setup. Accept cryptocurrencies like: Bitcoin, Bitcoin Cash, Ethereum and Litecoin!

Free
PayTR Virtual Pos iFrame API

Open your web site to shopping with the advantages of PayTR. Take your payments securely.

Free
Gateway Fees for WHMCS

With this WHMCS module, you'll get the payment gateway fees from your clients directly.

Free