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AgentCard lets you create and manage prepaid virtual Visa cards that AI agents can use to make purchases on the web. Each card belongs to a cardholder, is funded by a hold on their payment method, and can be created, monitored, and closed programmatically.

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How it works

Card creation flow
  1. Create cardholders — Set up cardholders for each end-user or agent that needs cards
  2. Attach payment methods — Each cardholder saves a payment method via Stripe Checkout
  3. Create cards — Issue virtual Visa cards with a specific spend limit, held on the cardholder’s payment method
  4. Give cards to agents — Your AI agents use the card number, expiry, and CVV to make purchases
  5. Monitor and close — Track balances in real time, close cards when done to release held funds

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Access methods

REST API

Programmatic access with API keys. Create cards, manage cardholders, and attach payment methods.

CLI

Manage organizations, cards, and cardholders from your terminal with the agent-cards-admin CLI.

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Key features

  • Prepaid cards — Cards are backed by payment method holds, so agents can never overspend
  • Per-card limits — Each card has a fixed spend limit (max $500)
  • Hold-based funding — Funds are held on the cardholder’s payment method and only captured on use
  • Real-time balances — Track remaining balance as transactions settle
  • Instant close — Revoke a card at any time, uncaptured holds are released
  • Audit trail — Every card creation, detail access, and close is logged