// app/api/webhooks/commet/route.ts
import { Webhooks } from "@commet/next";

export const POST = Webhooks({
  webhookSecret: process.env.COMMET_WEBHOOK_SECRET!,

  onSubscriptionActivated: async (payload) => {
    await sendWelcomeEmail(payload.data.externalId);
  },

  onSubscriptionCanceled: async (payload) => {
    await sendCancellationEmail(payload.data.externalId);
  },
});

npm install @commet/next

import { Commet } from "@commet/node";

const commet = new Commet({ apiKey: process.env.COMMET_API_KEY! });

// Check subscription status -- do this, not webhook state sync
const { data: sub } = await commet.subscriptions.get("user_123");
if (sub?.status === "active" || sub?.status === "trialing") {
  // grant access
}

// Check feature access
const { data } = await commet.features.check({
  code: "advanced_analytics",
  customerId: "user_123",
});

{
  "event": "subscription.activated",
  "timestamp": "2026-03-25T14:30:00.000Z",
  "organizationId": "org_abc123",
  "data": { }
}