webhook_delivery_failurecriticalAffects MRR

Stripe webhook_delivery_failure Error — Causes, Fix & MRR Impact

The Stripe webhook_delivery_failure situation occurs when Stripe cannot deliver webhook events to your endpoint (timeout, non-2xx, or unreachable), causing your app to be out of sync and MRR risk for SaaS businesses processing subscription payments.

What this means

Stripe could not deliver webhook events to your server (your endpoint failed or timed out). Return 200 quickly and process in the background; fix the endpoint and resend failed events from the Dashboard.

Why it happens

Endpoint returned non-2xx

Your endpoint returned 4xx or 5xx, so Stripe marks the delivery as failed and retries.

Timeout

Your endpoint took too long to respond; Stripe timed out (e.g. 30 seconds).

Endpoint unreachable

Your URL was wrong, or DNS/firewall/SSL prevented Stripe from reaching your server.

Crash or exception

Your handler threw an exception before returning 200, so Stripe did not get a success response.

MRR Impact

Webhook failures leave your app out of sync; subscription and payment state can be wrong, affecting access and MRR. Reliable endpoints and idempotent processing protect MRR.

Reliable webhook handling (200 quickly, async process, idempotent) protects MRR and state.

Avg. recovery rate: Stripe retries; fix endpoint and resend from Dashboard to catch up.

Urgency: immediate

How to fix it

  1. 1

    Return 200 quickly

    In your webhook handler, return HTTP 200 (or 2xx) as soon as you have received and validated the event (e.g. verify signature). Then process the event in a background job. Do not do long work before returning.

    app.post('/webhooks/stripe', (req, res) => { const event = stripe.webhooks.constructEvent(...); res.status(200).send(); processEventAsync(event); });
  2. 2

    Verify webhook signature

    Use Stripe's webhook signing (e.g. constructEvent with webhook secret) so you reject forged events. Return 400 if signature is invalid.

  3. 3

    Process idempotently

    Use the event id (or idempotency) so that if Stripe retries the same event, you do not double-apply (e.g. double grant access or double email).

  4. 4

    Fix endpoint availability

    Ensure your webhook URL is correct in Stripe Dashboard, uses HTTPS, and is reachable from the internet. Check firewall and SSL. Monitor Stripe Dashboard for failed deliveries.

  5. 5

    Resend failed events

    After fixing your endpoint, go to Stripe Dashboard > Developers > Webhooks and resend failed events so your app catches up. Process them idempotently.

Detect webhook_delivery_failure automatically

Monitor Stripe Dashboard for webhook failures; alert when your endpoint starts failing.

Monitor your Stripe health free →

FAQ

What does Stripe webhook delivery failure mean?
Webhook delivery failure means Stripe could not successfully deliver webhook events to your endpoint (e.g. your server returned non-2xx, timed out, or was unreachable). For SaaS, webhooks drive subscription and payment state; failed delivery can leave your app out of sync and cause missed renewals, wrong access, or duplicate handling. Fix your endpoint (return 200 quickly, process async) and retry from Stripe Dashboard if needed.
Should I return 200 before processing?
Yes. Return 200 quickly after receiving the webhook, then process the event asynchronously. If you process synchronously and it takes too long, Stripe may timeout and retry, leading to duplicate deliveries. Use idempotent processing and a job queue.
How do I fix webhook delivery failures?
Ensure your endpoint is reachable (URL, firewall, SSL). Return 200 within a few seconds. Process events in a background job. Use webhook signing to verify events. In Stripe Dashboard, you can resend failed events after fixing the endpoint.
Does webhook failure affect MRR?
Yes. If invoice.paid or subscription updated events are not received, your app may not grant access or may show wrong state. Reliable webhook handling and retries protect MRR and consistency.

Related errors

api_error

The Stripe api_error error occurs when Stripe's servers encounter an error (HTTP 5xx), causing the request to fail and potential MRR loss for SaaS businesses processing subscription payments.

Affects MRRapi_connection_error

The Stripe api_connection_error error occurs when your server cannot connect to Stripe's API (e.g. network or DNS failure), causing requests to fail and potential MRR loss for SaaS businesses processing subscription payments.

Affects MRR