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I Lost a Customer Because of a 500 Error I Never Saw — So I Built Webhook Proxy

Mahad Tahir’s account of a missed webhook failure led him to build a hosted proxy for logging and manually retrying failed deliveries.
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Mahad Tahir says a payment-related webhook failed during a server cold start or deployment, leaving a customer without account access until they contacted him days later. His response was to build Webhook Proxy, a hosted intermediary that he says logs failed deliveries and lets users retry them from a dashboard. The story and product capabilities are Tahir’s claims in a September 30, 2026 DEV Community post; they have not been independently verified.

What happened to the customer?

In his account, a payment provider sent an event meant to activate a customer’s account while Tahir’s server was cold-starting or being deployed. The destination returned an HTTP 500 error or timed out, and his application did not give him a useful record of the failed delivery. He says he learned that access had not been activated only after the customer contacted him days later.

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This is one founder’s account, not an independently corroborated incident. It also describes a gap in visibility inside his own system; a missing application log alone does not establish what a provider did with an event or whether it can be recovered.

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How does Webhook Proxy work?

Tahir describes the service as a layer between a webhook provider and the application endpoint. Instead of sending an event directly to the application, the user changes the provider’s configured destination URL to the proxy, which then forwards the event to the actual endpoint.

  1. Configure the provider to send events to the proxy URL rather than directly to the application endpoint.
  2. Let the proxy forward incoming events to the application’s endpoint.
  3. If the destination returns a 500 response or times out, inspect the recorded event and error details in the proxy dashboard.
  4. Use the dashboard action to retry a failed delivery, according to the post’s description.

Tahir says the service requires no SDK or code changes and can work with providers that allow users to configure a destination URL. That is the creator’s description, not a verified compatibility list or guarantee. His post also says the service retains raw JSON payload logs; it does not establish the retention period, security controls, or what happens if the proxy itself is unavailable.

What does the post say about price?

The September 30, 2026 post advertises a free tier allowing 5,000 webhooks per month without requiring a payment card. This is a dated creator claim, not verified current pricing. Check the live offer and terms before relying on that limit.

Is a hosted proxy better than a queue or provider dashboard?

There is no universal winner. Tahir frames a hosted proxy as a lower-maintenance alternative for solo founders to assembling Redis, BullMQ, backoff logic, and a dead-letter queue. The right approach depends on the system’s workload and the recovery process the team needs; the cited sources do not establish thresholds for choosing one.

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Approach What it may suit What to assess
Hosted webhook proxy A team seeking an intermediary with logged failures and a dashboard retry action, as Tahir describes Webhook Proxy. Provider compatibility, automatic versus manual recovery, visibility and alerting, payload handling, service reliability, and the consequences of the intermediary being unavailable. The post does not establish Webhook Proxy’s uptime or full feature set.
Self-managed queue and dead-letter handling A team that wants to operate its own delivery and recovery workflow; Tahir cites Redis, BullMQ, backoff logic, and a dead-letter queue as components. Setup and ongoing maintenance, throughput needs, failure handling, monitoring, and who will inspect and replay failed events. The sources do not quantify when this becomes preferable.
Provider dashboard or API A team managing endpoint configuration through its provider’s existing tools. Whether the provider’s documented tools meet the team’s visibility and recovery needs. Stripe documents endpoint administration, but the cited reference does not establish delivery retry timing or a complete recovery procedure.

What does Stripe document about endpoint configuration?

Stripe’s Webhook Endpoints API reference says endpoints can be configured in the dashboard or through the API. It describes creating an endpoint with a URL and enabled events, and updating its URL, enabled events, or status. This is useful context for managing a Stripe endpoint; that reference does not, by itself, establish delivery retry timing or how a particular failed event should be recovered.

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What should you check before routing production events through a third party?

Because the creator says the proxy retains raw JSON payloads, assess what data those payloads contain and whether sending them to another service fits your privacy and security obligations. The post does not establish Webhook Proxy’s access controls, encryption, deletion schedule, or compliance status, so verify those directly before sending production data.

  • Review the service’s payload retention and deletion terms.
  • Check who can access stored payloads and what security controls are documented.
  • Decide how failed events will be noticed and who will review or replay them.
  • Consider what your system should do if the intermediary is unavailable.
  • Confirm provider compatibility and current plan limits before changing production configuration.

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