KBilling Docs

Complete administrator, operations, integration, module-development, migration, and troubleshooting documentation.

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Complete Documentation

Browse all 22 guides for administrators, operators, developers, modules, licensing, updates, migration, and troubleshooting.

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1

Installing KBilling

Server requirements, uploading files, the web installer, and the cron job. About 15 minutes start to finish.

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2

Configuring KBilling

Payment gateways, server and registrar modules, products, tax rules, and email templates.

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3

Migrating from WHMCS

Move clients, services, invoices, and tickets from WHMCS with the built-in migration tool.

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Before you start

  • A server with PHP 8.2+ and MySQL 8+ (or MariaDB 10.5+)
  • An SSL certificate — KBilling requires HTTPS
  • Your license key from the client portal

Stuck on something? Open a ticket from your client portal — every plan includes 10 support tickets a month.