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Integrate ZBX with WHMCS so clients can pay invoices with cryptocurrency at checkout.
Single-item checkout only. Multi-item carts are not supported for the crypto payment method. Customers see an error on multi-line invoices if the crypto method is selected.

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Setup

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1. Merchant account

Create and KYB-ready your organisation at https://merchants.zbx.boomfi.xyz/.

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2. API key

  1. Open https://merchants.zbx.boomfi.xyz/dashboard/settings/api-keys
  2. Create API key, name it, store the secret
Create:
  • One one-time pay link (enable allow repeat payments without confirmation so multiple checkouts can reuse it)
  • One recurring pay link for subscription-style billing
See Payment Links.

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4. Install and configure the WHMCS module

  1. In WHMCS, open Apps & Integrations.
  2. Search for the crypto payment module and activate it.
  3. Configure:

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Test mode

Enable Test mode in WHMCS only if you have a separate test merchant account. Use that account’s pay links and API keys.

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Live mode

Disable test mode and use production pay links and API keys from https://merchants.zbx.boomfi.xyz/.