If your SaaS product uses Stripe, your webhooks are doing a lot of quiet, critical work. They fire when a subscription is created, when a payment fails, when a trial ends. When they work, everything runs smoothly. When they don't — subscriptions don't activate, churned customers don't get offboarded, and your support inbox fills up with confused users.

The worst part? Stripe doesn't always tell you loudly when something's wrong. A webhook can silently fail for hours before anyone notices.

Here's how to set up proper monitoring for your Stripe webhooks using Acumen Logs in under 5 minutes.

Why Stripe Webhook Monitoring Matters

Stripe sends webhook events to an endpoint on your server. If that endpoint:

• Returns a non-2xx status code
• Times out (takes longer than 30 seconds)
• Throws an unhandled exception
• Goes down entirely

...Stripe will retry the event a few times, then stop. You'll have missed events sitting in your Stripe dashboard, and real business logic that never ran.

Common failures we see:

• customer.subscription.created fires but your server is in a deployment window — new user gets no access
• invoice.payment_failed is missed — dunning emails never send
• customer.subscription.deleted is dropped — cancelled customer retains full access

Step 1: Expose Your Webhook Endpoint

Your Stripe webhook endpoint usually looks something like:

POST https://yourdomain.com/webhooks/stripe

Make sure it's publicly accessible and returns a 200 OK when Stripe hits it with a valid payload.

Step 2: Create an API Monitor in Acumen Logs

Log in to your Acumen Logs dashboard and navigate to API Monitoring. Click Create Monitor and configure it as follows:

• URL: Your Stripe webhook endpoint
• Method: POST
• Headers: Add a Stripe-Signature header if your endpoint validates signatures (use a test signature or a dedicated monitoring key)
• Expected status: 200
• Check interval: Every 1 minute

Save the monitor. Acumen Logs will now ping your endpoint continuously and alert you the moment it stops responding correctly.

Step 3: Add a Heartbeat for Background Webhook Processing

If your webhook handler queues jobs (e.g. using Laravel Queues or BullMQ), the API monitor alone won't tell you if the job processor has stalled. Add a heartbeat:

1. Go to Heartbeat Monitoring in Acumen Logs
2. Create a new heartbeat with a 5-minute expected interval
3. Copy the unique pulse URL
4. At the end of your webhook job handler, POST to the pulse URL

Now if your job processor stalls or your queue backs up, you'll know within minutes — not when a customer complains.

Step 4: Set Up Slack Alerts

Go to Settings > Alert Channels in Acumen Logs and connect your Slack workspace. Set your API monitor and heartbeat to send alerts to your #incidents or #engineering channel.

You'll get a Slack message the moment your Stripe webhook endpoint goes down or your job processor misses a beat.

Step 5: Test It

Use Stripe's built-in webhook testing to send a test event to your endpoint. Watch the Acumen Logs dashboard update in real time. Then try taking your endpoint offline briefly — you should receive a Slack alert within 60 seconds.

Final Thoughts

Your Stripe webhook endpoint is mission-critical infrastructure. Treat it like one. Five minutes of setup now saves you hours of debugging billing issues later — and protects the trust of every customer who pays you.

Start monitoring your webhooks free at acumenlogs.com.