REST + webhooks. JSON in, JSON ut.

# Place a B2B order (wire / Net-30)
curl https://ol-y.com/api/v1/public/orders \
  -H "X-API-Key: $OLY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "purchase_order_number": "PO-2026-0418",
    "payment_method": "wire",
    "items": [
      { "ean": "7350012340001", "qty": 24 },
      { "ean": "7350012340018", "qty": 12 }
    ],
    "shipping": {
      "company": "Acme Wholesale GmbH",
      "street": "Hauptstrasse 12",
      "postal_code": "10115",
      "city": "Berlin",
      "country": "DE"
    }
  }'

// Pull live inventory every 5 minutes
import { Velicoo } from "velicoo-sdk";

const client = new Velicoo({ apiKey: process.env.VELICOO_API_KEY });

setInterval(async () => {
  const stock = await client.inventory.list({
    updatedSince: lastSync,
    limit: 500,
  });
  await syncToErp(stock);
}, 5 * 60 * 1000);