Foundry
Billing

Change the card you pay with

Card details are held by our payment provider, so you change them on their page.

Last checked 2 October 2026

Open Account settings, then Billing and plan, and choose Update in the billing portal.

You'll be taken to our payment provider's secure page. We never see or store your card number.

The new card is used from the next invoice. Nothing is charged when you change it.

Customise

Changes apply as you choose them.

Theme
Colour

Preview the kit in another accent. Fifteen colours, evenly spaced and equally strong, each measured to pass AA in light and dark; high contrast keeps its own.

Skin
Layout

On screens narrower than a laptop every layout uses the slide-out menu.

Content width
Density
Font
Space Grotesk headings, IBM Plex Sans text
Inter throughout
Your device's own font

Saved in two cookies on this device (fo_theme, fo_shell), never sent anywhere else. Privacy notice.

Help

About this page

This is Foundry, the shared base theme - a component catalogue other apps copy their SCSS partials and Twig components out of. Nothing on this site is real data.


Without a mouse

Every control on this site works from the keyboard, including this panel (Escape closes it). Anything you can drag also has a menu or form that does the same thing.


Still stuck?