Outbound delivery looks like a queue and a loop until one subscriber hangs for sixty seconds and takes your workers with it. Isolation, retry horizons, and signatures are where the marks are.
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Design the webhook platform that tells merchants when payments settle. Their endpoint is down. What happens?
Outbound delivery looks like a queue and a loop until one subscriber hangs for sixty seconds and takes your workers with it. Isolation, retry horizons, and signatures are where the marks are.
Updated Sep 2026 · Grounded in researched DevOps, SRE and platform engineering interview loops, written to a senior-engineer editorial bar, and never padded to hit a word count.
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