setup_cardholder_payment_method - Agentcard

Connect to https://mcp.agentcard.sh/mcp with your organization credential (client_id + client_secret, or the org access token).

What it does

Set up a funding payment method for a cardholder — needed when create_card answers payment_method_required. In sandbox this adds a simulated Visa instantly. Live returns a checkout_url: send the user there to enter their card on the hosted page, then poll get_cardholder_payment_method_status.

Inputs

Field	Type	Description
`cardholder_id` (required)	string	The cardholder id

Returns

Field	Type	Description
`message` (required)	string	Human-readable next step.
`status`	string	”attached” (sandbox, instant) or “requires_action” (live — user must finish on the hosted page).
`checkoutUrl`	string	Present on requires_action — send the user here.

Example call

{
  "tool": "setup_cardholder_payment_method",
  "arguments": {
    "cardholder_id": "\u2026"
  }
}