Activate a payment gateway only after confirming its supported currencies, payment flows and...

Adding a currency to WHMCS creates a pricing and payment responsibility. Confirm how catalogue...

Configurable options let customers choose variations that contribute to a product's price, such...

This guide is for resellers who administer their own WHMCS installation. A WHMCS product...

Domain-expiry handling must reflect the actual extension and registrar lifecycle. WHMCS...

A WHMCS product change can affect both recurring billing and the hosting package on the server....

WHMCS client credit can represent received deposits, overpayments or an authorised goodwill...

A recoverable WHMCS backup must preserve both business records and the files required to use...

A WHMCS staging copy can contain real customers, saved payment references and server...

Changing a WHMCS service's billing cycle or due date affects future billing and may affect...

Changing the address of a self-hosted WHMCS installation affects more than links in the client...

Check the requirements of your exact WHMCS release before installing it or changing PHP. A...

If an import finishes but a page still shows its old content, confirm what was actually...

The WHMCS order form template controls how customers compare products, configure a service and...

Configure a WHMCS registrar connection and its domain defaults before enabling automatic...

A WHMCS licence authorises use of the billing software under its licence terms. It is separate...

WHMCS module logging helps diagnose communication between the billing application and a server,...

Some domain registries need information beyond the ordinary name, address and email fields....

Use WHMCS custom fields to collect information required to deliver a service or route support....

Complete the security configuration of a self-hosted WHMCS installation before accepting...

The WHMCS domain-sync task checks supported registrar modules for current registration and...

WHMCS's mail provider sends invoices, welcome messages and support notifications. Configure it...

Configure a WHMCS product's billing cycles from the price you intend to charge for the full...

A tokenized payment method stores a provider reference that WHMCS can use for authorised future...

Set WHMCS retention controls from an approved policy that distinguishes customer records,...

WHMCS domain synchronisation updates local domain information from the connector's confirmed...

Payment reminders should tell customers what is due, when payment is needed and whether...

A WHMCS promotion should express a specific commercial offer: who qualifies, which products and...

Email piping and importing bring support messages into WHMCS. Choose one intended delivery...

Configure WHMCS tax settings from the business's approved tax requirements. This guide explains...

The native WHMCS Plesk module connects billing services to Plesk accounts and service plans....

Domain Nexus can reuse a cPanel server already configured in WHMCS or connect with a dedicated...

The native WHMCS DirectAdmin module supports account provisioning and common lifecycle actions...

The Vultr DNS connection uses a provider API key and must pass Vultr's access-control rules. A...

Connect WHMCS to WHM so your own reseller business can provision and manage the hosting...

WHMCS generates recurring invoices from service billing dates and the configured lead time....

WHMCS 9.0 changes the way administrators correct invoices. Once an invoice leaves Draft, its...

A WHMCS product addon is suitable for an additional service that needs its own billing or...

Create separate WHMCS API credentials for each integration and grant only its required API...

Give each WHMCS staff member an individual administrator account with a role matched to their...

Support departments route customer requests to the right staff and control how tickets can be...

Customise WHMCS email templates so that each message explains the event and gives the customer...

A recent cron invocation does not prove that every WHMCS daily task completed. Diagnose the...

Fraud screening helps prioritise order review, but an automated score is not a complete...

Bringing existing hosting services into WHMCS requires an inventory of the remote accounts and...

The current WHMCS connector includes an exact catalogue-sync addon for registration, transfer...

Install WHMCS only after confirming a valid licence and an environment that meets the...

A domain renewal is complete when the registrar confirms the additional registration period. A...

When a paid hosting order does not produce a working account, determine which part of the...

A domain order can be blocked even when the WHMCS connector is installed correctly. Check the...

When automatic payment capture fails in WHMCS, first determine whether no attempt occurred, the...

When a WHMCS email is missing, trace it from the application to the sending provider and then...

Update a custom WHMCS theme alongside the application release it supports. Keeping an old theme...

WHMCS separates the client account that owns services from the users who log in to manage it....

WHMCS can load in a browser while its cron fails because the two use different PHP binaries or...

Move a self-hosted WHMCS installation as one coordinated change involving its database, files,...

Move WHMCS writable directories outside the public web root to prevent direct web access, then...

WHMCS Mass Payment lets a customer settle several outstanding invoices in one transaction while...

The WHMCS connector can offer customers a branded domain registration certificate containing...

Organise the WHMCS knowledgebase around tasks customers need to complete. Each article should...

Use WHMCS product groups to organise the catalogue around customer needs, such as shared...

Import client records into WHMCS using a supported workflow and a reviewed mapping of source...

Plan an upgrade from an unsupported WHMCS version as a sequence of compatible transitions. Very...

Create a dedicated database and user for a self-hosted WHMCS installation. Keep its credentials...

A WHMCS refund must match both the customer's approved refund and the movement of funds at the...

Protect WHMCS administrator access with individual accounts, suitable permissions and strong...

Use WHMCS downloads to distribute approved files with clear access rules and version...

Use WHMCS reports to answer a defined operational question, then verify the report's date...

Record a manual WHMCS payment after confirming that the money was received through the approved...

If a customer appears to pay twice each renewal period, compare the actual provider...

Review a WHMCS order by checking its payment, risk information and delivered items before...

Module Queue records failed automated actions involving service or domain modules. It gives an...

Registrar TLD Sync can import supported extension pricing into WHMCS and apply a selling-price...

Enable two-factor authentication in WHMCS with a tested enrolment and recovery process. This...

A complete WHMCS test order checks the customer journey and the operational result. A...

The WHMCS system cron performs due automation tasks such as invoicing, payment processing and...

WHMCS late fees should implement the company's approved customer agreement. Decide the amount,...

A consistent WHMCS ticket workflow makes the next action and owner clear. Use customer replies...

Prorata billing aligns new service periods to a chosen billing day and charges an appropriate...

WHMCS domain pricing needs separate registration, transfer and renewal values for each...

WHMCS automation should implement the hosting company's approved billing and service policy....

Manage a domain transfer as a process that continues after payment. WHMCS can submit the...

Payment callbacks and webhooks allow a gateway to notify WHMCS about events independently of...

A manual WHMCS update requires both the correct release files and the supported database update...

Use Utilities > Update WHMCS to apply a supported update to a self-hosted installation after...

A WHMCS server group determines which configured server receives a newly provisioned service...

When a WHMCS invoice shows the wrong payment state, reconcile the money and ledger before...