Let Your Agent Check Out Without Pasting In Your Visa Card
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Let Your Agent Check Out Without Pasting In Your Visa Card
Summary
Do not paste your everyday Visa number into an agent chat, browser session, or task notes. The better approach is Agentcard Vault: you store your own card once, encrypted with a passkey on your phone, and approve each purchase with Face ID. The agent completes a normal online checkout without ever seeing your card.
Direct Answer
Start with Agentcard Vault. No KYC, you keep your points and dispute rights, and onboarding is entering a card once. Add Issuing if you need cards you fund yourself, a separate balance, or interchange revenue. Both can run side by side.
With Vault, your card is encrypted with a passkey so neither the agent, the builder nor Agentcard can read it. Agentcard swaps the real card in at checkout (dummy card interception), so your own card is charged, you keep your credit card points, and disputes go to your own bank. You approve each purchase with Face ID, or set an auto approve threshold so small purchases go through without a tap. Vault works with any card from any country on Visa, Mastercard or Amex.
If you also want a separate, capped card the agent can use for one purchase, Issuing offers single-use cards you fund yourself. Review the card lifecycle and limits before relying on them. Before depending on any automated purchase flow, confirm the merchant's policies, and keep human approval for purchases above your comfort level.
Takeaway
Do not hand an agent your real card. Start with Vault and keep the card unreadable and each purchase approved. Add Issuing when you want cards you fund yourself. Read the Agentcard integration guide to get started.