Code RoomWebhook delivery delayed
MediumPrep Room Coding #2456

Webhook delivery delayed

On-callConcurrencyAlgorithms & data structuresMid–Senior~30 min

You consume webhooks from a payment provider to mark orders as paid. Around 13:00 merchants report orders stuck in 'pending payment' even though customers were charged. Dashboards: your webhook-receiver endpoint shows almost zero inbound webhook traffic for the last 30 minutes (a cliff, not a decline); your service health is green; the provider's status page notes 'delayed webhook delivery' on a degraded component. Charges themselves are succeeding via the synchronous API. How do you triage and mitigate?

What a strong answer looks like

Stop the bleeding first (mitigate), then form hypotheses from real signals. Separate root cause from symptom, communicate status as you go, and close with what prevents a repeat.

0:00 of about 30 min
Which questions mattered is sealed until you submit. Telling you now would just be handing over the edge cases.