Build on the
asset tokenization layer

curl -X POST https://api.assetmint.co/v1/auth/token \
  -H "Content-Type: application/json" \
  -d '{
    "client_id": "your_client_id",
    "client_secret": "your_client_secret",
    "grant_type": "client_credentials"
  }'

# Response
{
  "access_token": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...",
  "token_type": "Bearer",
  "expires_in": 3600
}

# Submit an asset for AI valuation
curl -X POST https://api.assetmint.co/v1/assets \
  -H "Authorization: Bearer {access_token}" \
  -H "Content-Type: application/json" \
  -d '{
    "name": "CNC Milling Machine — Model X200",
    "type": "equipment",
    "description": "Industrial CNC machine, 2021, excellent condition",
    "estimated_value": 85000
  }'

# Response
{
  "id": "asset_9xK2mP...",
  "status": "pending_valuation",
  "created_at": "2026-03-31T14:00:00Z"
}

// Express.js — verify and handle webhook events
import express from 'express';
import crypto from 'crypto';

const app = express();
app.use(express.raw({ type: 'application/json' }));

app.post('/webhooks/assetmint', (req, res) => {
  const sig = req.headers['x-assetmint-signature'];
  const expected = crypto
    .createHmac('sha256', process.env.ASSETMINT_WEBHOOK_SECRET)
    .update(req.body)
    .digest('hex');

  if (sig !== `sha256=${expected}`) {
    return res.status(401).send('Invalid signature');
  }

  const event = JSON.parse(req.body);

  switch (event.type) {
    case 'asset.valuation_complete':
      console.log('Valuation ready:', event.data.asset_id);
      break;
    case 'loan.approved':
      console.log('Loan approved:', event.data.loan_id);
      break;
    case 'token.minted':
      console.log('Token on-chain:', event.data.token_address);
      break;
  }

  res.json({ received: true });
});