Guides / Monitoring
How to Log Production Errors as Business Events
3 min read·Monitoring
Error Trackers vs Business Event Logging
Sentry and Datadog catch every error — stack traces, browser exceptions, the works. That's great for debugging.
LogIt is for a different slice: the errors that directly affect your business. A checkout crash. A failed webhook. An email that didn't send. These belong in your business event inbox, not buried in a stack trace dashboard.
Example: checkout crash
ts
import { init } from "logit";
const logit = init({ token: process.env.LOGIT_API_KEY! });
try {
await processCheckout(userId, priceId);
} catch (err) {
const error = err instanceof Error ? err : new Error(String(err));
await logit.now("errors", {
event: "Checkout failed",
description: `User ${userId}: ${error.message}`,
icon: "❌",
notify: true,
tags: { component: "checkout", userId },
metadata: { userId, priceId, message: error.message },
});
throw err; // re-throw so Sentry still catches it
}
Express error middleware
ts
import type { Request, Response, NextFunction } from "express";
app.use(async (err: Error, req: Request, res: Response, next: NextFunction) => {
if (req.path.startsWith("/api/checkout") || req.path.startsWith("/api/webhook")) {
await logit.now("errors", {
event: "Revenue-critical error",
description: `${req.method} ${req.path}: ${err.message}`,
icon: "❌",
notify: true,
tags: { path: req.path, method: req.method },
metadata: { message: err.message, stack: err.stack },
});
}
next(err);
});
Tip
Only log errors that are revenue-critical or user-facing. Use your error tracker for everything else. Noisy business event inboxes lose their signal fast.
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