# Webhook failures and retries: keep integrations from losing or duplicating work Published by Britixo | 2026-10-29 | CRM & integrations Canonical page: https://britixo.com/business-guides/webhook-failures-retries/ A reliable webhook endpoint verifies the sender, records accepted work durably and processes it in a way that tolerates repeated or out-of-order delivery. Investigate failed deliveries using the provider's event record and your own processing history. Do not replay every event blindly: first determine whether its business action already happened. Combine bounded retries with reconciliation so a temporary outage does not become a silent gap in customer, payment or order records. ## When this guide is useful Business application owners and developers maintaining event-driven integrations. - A provider reports delivery failures but the application shows no useful error. - Some events are processed twice after a service interruption. - A later status is overwritten by an older event. - The endpoint returns success before work has been recorded reliably. ## Separate delivery from processing Trace one event across the provider's delivery attempt, your endpoint, any queue and the downstream application. Record a correlation identifier at each stage. A successful HTTP response means only what your implementation makes it mean; it does not necessarily prove that the customer record was updated. Verify signatures using the provider's documented method and the correct raw request data. Reject invalid deliveries, avoid logging secrets and keep endpoint configuration separate from application credentials. Check whether a proxy or body parser changes the signed payload before verification. ## Acknowledge only after durable acceptance Keep the receiving endpoint focused on validation and recording the work. When processing takes time, place accepted events in a durable queue and return the documented successful response after acceptance. A long synchronous operation can exceed the provider's timeout even when the downstream change eventually succeeds. Stripe's webhook guidance documents retries, duplicate events and the absence of guaranteed event ordering. Those behaviours are useful reminders, but every provider has its own contract. Confirm its timeout, retry period, event identifiers and response expectations rather than borrowing another service's assumptions. - Store the provider event identifier and processing state. - Keep failed jobs available for investigation and controlled replay. - Monitor queue age as well as queue length. ## Make repeated delivery safe Use a durable processing record to recognise an event already completed or accepted. Protect downstream side effects with a stable business-operation key where the destination supports it. A duplicate event should not send another email, create another invoice or apply another credit. Stripe's idempotent-request documentation illustrates one provider's mechanism for recognising repeated operations. Understand the scope and retention of your chosen mechanism. An in-memory flag lost during restart is not a sufficient record, and using a new key for each retry defeats the purpose. ## Handle stale events and recover deliberately If a provider does not promise ordering, use its documented version or current-state retrieval approach before applying a potentially stale change. For an order-status update, a delayed 'created' event should not overwrite a later cancellation. Define what to do when the source cannot be reached for confirmation. After an outage, compare source and destination records for the affected interval. Repair confirmed gaps through a bounded replay or reconciliation process. Distinguish temporary failures from invalid requests and permissions problems; repeated retries will not fix a missing required field or revoked access. ## Prepare for a useful conversation - A trace from provider delivery through final business action. - Verified signature handling and protected endpoint secrets. - Durable acceptance, processing status and duplicate detection. - Documented retry, ordering and idempotency behaviour. - A monitored failure queue and a reconciliation procedure. ## How Britixo can help Britixo can assess and improve webhook-based connections between business systems. A scoped repair can cover endpoint verification, durable processing, duplicate protection, retry rules and an operational failure view. We can also design reconciliation so your team can distinguish delayed work from missing records after an outage. The supported event types, provider constraints and recovery actions should be documented in the delivery scope. Contact Britixo with the affected platform, event type and sanitised delivery identifiers; avoid sharing signing secrets or complete sensitive payloads in an initial enquiry. [Contact Britixo](https://britixo.com/contact/?enquiry_type=contact_consultation#contact-form) ## Common questions ### Should a failed webhook always be retried immediately? No. Follow the provider's contract and distinguish temporary failures from permanent validation or access errors. Use bounded delays and avoid creating a retry storm. ### Is returning HTTP 200 enough? Only if the event has been durably accepted or already processed according to your design. Returning success before reliable acceptance can cause lost work. ### Can we assume events arrive in order? Only when the provider explicitly guarantees the required ordering. Otherwise design for stale delivery and use supported version or current-state checks. ## Related guides - [API rate-limit management: keep business integrations moving](https://britixo.com/business-guides/api-rate-limit-management/) - [Connect CRM and accounting software without creating competing records](https://britixo.com/business-guides/connect-crm-accounting-software/) - [Build a single customer view without losing the source of truth](https://britixo.com/business-guides/single-customer-view-integration/) ## Sources and further reading - [Stripe: Receive events in a webhook endpoint](https://docs.stripe.com/webhooks) - [Stripe: Idempotent requests](https://docs.stripe.com/api/idempotent_requests) Prepared with AI assistance and checked against linked primary documentation. [Editorial approach](https://britixo.com/business-guides/#editorial-approach). Product availability and delivery scope are confirmed for your requirements.