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

# agent-cards buy add

> Add a product to the cart

Add a product to the cart

```bash theme={null}
agent-cards buy add --help
```

```text theme={null}
Usage: agent-cards buy add [options] <merchant> <productId>

Add a product to the cart

Options:
  --quantity <n>  quantity (default: "1")
  -h, --help      display help for command
```