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Shahid Malla

Guides from client work

Guides on WHMCS, web design, SaaS and AI.

Step-by-step guides written from my own client work and checked against the official documentation. Each one says when it was last reviewed, and what I sell when it matters.

124 guides · 6 topics

Editor's pick

shahidmalla.com/blog/best-whmcs-addons-modules
Best WHMCS Addons, Modules and Developers: A Buyer's Guide
Featured in WHMCS

Best WHMCS Addons, Modules and Developers: A Buyer's Guide

No single WHMCS addon is best. This buyer's guide sorts modules by job, names the vendors and module developers behind them, and gives a checklist to run before you pay.

Shahid Malla · Dec 28, 2025 · 12 min
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12 min

Best WHMCS Addons, Modules and Developers: A Buyer's Guide

No single WHMCS addon is best. This buyer's guide sorts modules by job, names the vendors and module developers behind them, and gives a checklist to run before you pay.

Shahid Malla Dec 28, 2025
11 min

WHMCS API Guide: How Do You Authenticate and Make API Calls?

A checked guide to the WHMCS API: API roles and credentials, the IP allow-list and access key, a first call to includes/api.php, nine common actions, localAPI, paging, debugging and the risks.

Shahid Malla Dec 27, 2025
10 min

WHMCS Troubleshooting: The Diagnostic Flowchart I Follow

A seven-step WHMCS troubleshooting flowchart: System Health, cron status, the right log, the Module Queue and error reporting, plus a symptom table that says where to look and what usually causes it.

Shahid Malla Dec 18, 2025
11 min

How Do You Build a Custom WHMCS Provisioning Module?

A checked guide to building a WHMCS provisioning module: where the files go, the naming rule, eleven functions and when WHMCS calls them, the $params array, a minimal _CreateAccount, logging, testing and limits.

Shahid Malla Dec 6, 2025

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