# 1. Install the SDK
npm install @vlexivo/sdk

# 2. Protect your route (Express)
const vlexivo = require('@vlexivo/sdk');

app.use('/api/premium', vlexivo.protect({
  apiKey: process.env.VLEXIVO_API_KEY,
  price: '0.001',  // $0.001 per call — you set this
}));

# 3. Test — your key is ready after signup
curl -H "X-Vlexivo-Token: <user_token>" \
     https://yourapi.com/api/premium

<!-- Add to any article page — one tag, done. -->
<script
  src="https://js.vlexivo.dev/v1/paywall.js"
  data-key="vlx_live_••••••••••••••••"
  data-price="0.50"
  data-preview-lines=3
></script>

<!-- That's it. Vlexivo shows a paywall after line 3.
     Readers pay $0.50 to unlock the full article. -->

// Creator platform integration — generate a 402 challenge
const res = await fetch('https://vlexivo.dev/api/v1/challenge', {
  method: 'POST',
  headers: {
    'Authorization': 'Bearer ' + process.env.VLEXIVO_SEC_KEY,
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    scope: 'per-message',  // pay per DM to creator
    amount: '1.00',          // $1.00 per message
    creator_id: 'creator_abc',
    tip_enabled: true,      // allow fans to tip freely
  }),
});
const { challenge } = await res.json();
// Return 402 to client — widget handles payment UI

# pip install vlexivo
from vlexivo import AgentWallet

# Your agent gets its own funded wallet
wallet = AgentWallet(api_key="vlx_sec_••••••••••••••••")

# Pay for any Vlexivo-protected API, headless
response = wallet.get("https://api.example.com/premium/data")

# Check balance — top up via API, no browser needed
print(wallet.balance)  # e.g. {'usdc': 10.00, 'reserved': 0.05}