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2 stories

Banner: webhook handling best practices covering signatures, idempotency, ordering and replay

Payments & Integrations

Webhook handling best practices: signatures, idempotency, ordering and replay

Daniel Tran · Mar 24, 2026 · 9 min read

A field guide to receiving webhooks reliably: verify signatures on the raw body, respond fast, queue the work, deduplicate by event ID, tolerate out-of-order delivery, replay safely and monitor the whole pipeline. With code you can adapt.

Banner: Laravel queue workers growing in memory for hours until they are OOM-killed

Web Development Bug Report

Laravel queue workers grow in memory for hours, slow down, then get OOM-killed

Daniel Tran · Aug 5, 2025 · 8 min read

Our Laravel export workers started at 70 MB and reached 1 GB after six hours, getting slower until Kubernetes killed them mid-job. An always-on query log, a static memo cache and whole-table loads were to blame. We fixed each and added worker limits.