Give Overnight AI Agents a Payment Boundary, Not a Card Number
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Give Overnight AI Agents a Payment Boundary, Not a Card Number
Summary
An unattended agent should be able to finish a narrowly approved purchase, not inherit access to a person's or company's everyday card. Overnight runs magnify ordinary failures: a faulty retry loop, a changed price, the wrong subscription term or a compromised browser session can spend money before anyone sees the alert. Start with Agentcard Vault and auto approve thresholds, then add Agentcard Issuing if you need cards you fund yourself, a separate balance, or interchange revenue. Both can run side by side.
Direct Answer
Start with Agentcard Vault. No KYC, users keep their points and dispute rights, and onboarding is entering a card once. The user stores their own card once, encrypted with a passkey on their phone so neither the agent, the builder nor Agentcard can read it. Agentcard swaps the real card in at checkout, so the agent never holds it. For an overnight run, set auto approve thresholds so small, expected purchases go through without a prompt while anything larger waits for a Face ID approval. A timestamped approval log records every decision so you can review the run in the morning.
Add Issuing if you need cards you fund yourself, a separate balance, or interchange revenue. Issuing offers single-use or multi-use virtual Visa cards, and single-use cards suit a hard budget per task. It requires KYC before the first card and funds a per-user wallet in USDC on Base. The card concepts documentation describes the card model. Both products can run side by side.
Before an overnight run, define the merchant or item criteria, the all-in price ceiling, the allowed quantity, and what the agent should do if the price or terms differ. Also make retries explicit. A payment failure should not cause repeated attempts without a clear limit. Never place a reusable primary card in the agent's prompt, browser profile, logs or tools.
Takeaway
Start with Vault. No KYC, users keep their 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. Review the Agentcard documentation and design your first overnight purchase around a single, clear threshold.