WHMCS Tools

Manual Gateway Builder

Build a complete WHMCS manual payment gateway with branding controls, gateway config fields, client proof fields, 15 ready design templates, 7 layout styles, Telegram notifications, support ticket actions, invoice status control, live preview, and a final ZIP package ready for deployment.

15 Ready Templates 7 Layout Styles Telegram Alerts Support Tickets Live Preview ZIP Export

15 ready templates 7 layout styles with ready-made designs.

Field builder Build gateway fields, client inputs, and instructions fast.

Alerts & automation Telegram, tickets, invoice status, and proof flow.

Live preview & ZIP Preview changes and download the final package.

Gateway Basics

Gateway file name

Used for file + function names

Friendly name

Allowed currencies (comma-separated)

Apps & Integrations Listing

Description

Branding

Header title

Header subtitle

Logo image URL

Accent color

Background color

Text color

Layout

Content alignment

Layout style

Choose a stronger layout style for the gateway display.

Instructions

Default instructions for clients

Instructions image (top)

Instructions image (bottom)

Top image width

Top image height

Bottom image width

Bottom image height

Include instructions field in WHMCS config

Config Fields

Add, remove, or show fields on the invoice.

Field key

Label

Type

Default value

Description

Show on invoice page

Client Form

Fields the customer fills before submitting proof.

Field key

Label

Type

Placeholder

Required

Field key

Label

Type

Placeholder

Required

Form title

Form text color

Form background color

Submit button label

Success message

Amount label

Invoice label

Telegram Notifications

Enable Telegram alerts

Bot token

Chat IDs (comma or new line)

Use the gateway settings in WHMCS to enable/disable or change recipients later.

Support Ticket

Create a support ticket on submission

Department ID

Admin username

Ticket subject

Ticket priority

Requires an admin username with API access to create the ticket.

Invoice Status

Status after submit

Applied after the client submits payment proof.

Design Templates

Pick a ready-made layout and colors, then tweak the fields.

Live Preview

Preview amount

Preview currency

Preview invoice ID

Payment Instructions

Amount: 0.00

Invoice ID: 0000

Client Form

Send Payment Proof

Preview updates as you type.

Download

Download a ZIP package that includes the PHP file at the root and a folder named after your gateway with whmcs.json inside.