Send the event.
Prepare the email.

const response = await fetch(
  "https://barua.ai/api/integrations/v1/events",
  {
    method: "POST",
    headers: {
      Authorization: `Bearer ${process.env.BARUA_TEST_KEY}`,
      "Content-Type": "application/json"
    },
    body: JSON.stringify({ records: [{
      event_id: "order_delayed:shp_9f2a:2026-10-21",
      name: "order_delayed",
      external_id: "nt_u_8812",
      occurred_at: "2026-10-14T14:40:00Z",
      properties: {
        order_id: "48213",
        order_name: "#48213",
        shipment_id: "shp_9f2a",
        carrier: "Bring",
        eta_date: "2026-10-21",
        tracking_number: "370412345678",
        tracking_url: "https://northtrail.example/orders/48213/tracking",
        line_items: [
          { name: "Charcoal wool base layer, M", quantity: 1, price: 1190 },
          { name: "Merino liner socks", quantity: 2, price: 249 }
        ]
      }
    }] })
  }
);
const receipt = await response.json();