8 Control Panel Portals Supported 100% Free & Open Source (MIT) 0 KB Database Overhead 4 Multilingual Locales (EN, DE, FR, ES) HIBP Password Protection

Executive Summary & Suite Architecture

Register-PanelLayer is a comprehensive open-source suite of database-free self-service registration portals designed for Linux web hosting control panels (cPanel, DirectAdmin, Plesk, HestiaCP, SPanel, ISPConfig, and aaPanel). Operating natively via each control panel's official API, it empowers hosting providers and sysadmins with automated 24/7 client onboarding, instant account creation, and zero database maintenance.

Key Suite Specifications

Supported Control PanelscPanel, DirectAdmin, Plesk, HestiaCP, SPanel, ISPConfig, aaPanel

API ArchitectureNative REST / WHM / SOAP APIs per panel

Runtime EnginePHP 7.4 / 8.0 / 8.1 / 8.2 / 8.3 / 8.4+

Database Overhead0 KB (100% Flat-File Storage)

Supported WebserversApache, NGINX, LiteSpeed, OpenLiteSpeed

Breach ProtectionHave I Been Pwned (k-Anonymity API)

Captcha IntegrationAltcha, Turnstile, hCaptcha, reCAPTCHA, MTCaptcha

Multilingual SupportEnglish, Deutsch, Français, Español

LicensingMIT License (100% Free & Open Source)

Supported Control Panel Registration Portals

Portal Name	Target Control Panel	API Protocol	Status
CP-Register	cPanel & WHM	WHM API1 / cURL	Live
DA-Register	DirectAdmin	DirectAdmin API / CMD_API	Live
PK-Register	Plesk Obsidian	Plesk REST API	Live
HC-Register	Hestia Control Panel	Hestia REST API	Live
SP-Register	SPanel (ScalaHosting)	SPanel REST API (wwwacct / changeuseremail)	Beta
ISP-Register	ISPConfig 3	ISPConfig Remote API	Beta
AA-Register	aaPanel	aaPanel REST API	Beta