Churn prevention emails: what to send before and after a customer cancels

import { LoopsClient } from "loops";

const loops = new LoopsClient(process.env.LOOPS_API_KEY);

// Daily job: at risk when the last project was 14 to 60 days ago.
export async function syncChurnRisk(user) {
  const days = (Date.now() - user.lastProjectAt) / 86_400_000;
  await loops.updateContact({
    email: user.email,
    properties: { churnRisk: days >= 14 && days <= 60 },
  });
}

// Cancel flow: after the customer picks a reason and confirms.
export async function cancellationRequested(user, reason) {
  await loops.sendEvent({
    email: user.email,
    eventName: "cancellationRequested",
    contactProperties: { cancelReason: reason, subscriptionStatus: "Canceling" },
  });
}

// Billing webhook: "Canceled" when a subscription ends, "Active" when one starts.
export async function setSubscriptionStatus(user, status) {
  await loops.updateContact({
    email: user.email,
    properties: { subscriptionStatus: status },
  });
}