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Fills a checkout page with an Agentcard virtual card: it creates or reuses a card, then fills the card number, expiry, CVC, email, and billing address through the Agentcard Pay Chrome extension. Requires Chrome with the extension installed and signed in; if it is missing, run npx agent-cards extension install and load it in Chrome.

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Parameters

ParameterTypeRequiredDescription
urlstringNoNavigate to this checkout URL first, then pay. If omitted, uses the active Chrome tab.
amount_centsnumberNoAmount in cents. If omitted, auto-detects from the checkout page.
tab_idnumberNoChrome tab ID. If omitted, uses the active tab.

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Returns

A summary with the card ID, last 4 digits, amount, fill status, and which form fields were filled. If creating the card needs the user’s approval, it returns status: "approval_required" with an approvalId to pass to approve_request; call pay_checkout again after approval. On failure it returns status: "error" with an error message.

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Example

{ "name": "pay_checkout", "arguments": { "url": "https://shop.example.com/checkout" } }