> ## Documentation Index
> Fetch the complete documentation index at: https://docs.machines.cash/llms.txt
> Use this file to discover all available pages before exploring further.

# Cards

> Create, label, and manage your virtual cards.

Machines cards are virtual cards.

## What you can do

* create a new card
* set spending limits
* lock or unlock
* rename card labels
* reveal details when needed

## Typical agent commands

* "create a card called subscriptions"
* "set this card limit to 25 per day"
* "lock my travel card"
* "show details for my last card"

## Safety

* Card details are revealed only when you ask.
* Card secrets are handled in secure server flows.