POST /init    → Create account, get API key (shown once — save it)
POST /fund    → Get checkout link, hand to human to pay
GET  /balance → Check available balance
POST /spend   → Create single-use card for exact amount

npm install -g agentpay-cli

agentpay init              # Create account, save API key locally
agentpay balance           # Show available balance
agentpay fund <amount>     # Create funding checkout link
agentpay spend <amount>    # Create single-use virtual card
agentpay cards             # List previous cards (redacted)
agentpay expiration [min]  # Get or set default card expiry

# 1. Create account
curl -s -X POST https://agent-pay.sh/init
# → {"api_key": "ap_live_..."}  ← SAVE THIS

# 2. Fund (human pays the checkout link)
curl -s -X POST https://agent-pay.sh/fund \
  -H "Authorization: Bearer $AGENTPAY_KEY" \
  -H "Content-Type: application/json" \
  -d '{"amount": 25.00}'
# → {"checkout_url": "https://whop.com/checkout/..."}

# 3. Check balance
curl -s https://agent-pay.sh/balance \
  -H "Authorization: Bearer $AGENTPAY_KEY"
# → {"available_balance": "25.00", "currency": "USD"}

# 4. Spend — get a one-time virtual card
curl -s -X POST https://agent-pay.sh/spend \
  -H "Authorization: Bearer $AGENTPAY_KEY" \
  -H "Content-Type: application/json" \
  -d '{"amount": 10.00, "memo": "openai api credits"}'
# → {"pan": "4111...", "cvv": "123", "exp": "12/26", ...}
# Card self-destructs after one use