Partial outage Elevated error rates on Webhooks API INC-2026-0184 · started 14:32 UTC · 47 min ago

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1. Template

Starting point. Edit before publishing.

Investigating Identified Monitoring Resolved Postmortem follow-up

2. Severity

Drives the page banner and SMS routing.

OperationalNo impact DegradedSlower than usual Partial outageSome users affected Major outageMost users affected

3. Affected components & their state

Only checked components change state on the public page.

Webhooks APIwebhooks.acme.com · group: API services

Public REST APIapi.acme.com · group: API services

GraphQL APIgraph.acme.com · group: API services

Dashboardapp.acme.com · group: Web applications

Event processinginternal · group: Background services

4. The update

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Headline

Body

Will notify 1,234 email · 18 webhooks · 14 Slack · 0 SMS

Live preview

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Monitoring

Backlog draining.

Will post: 15:12 UTC · Apr 24 · by Priya Sharma

Queue depth has fallen from 240k to 41k. Delivery latency is recovering. We will continue to watch for the next 30 minutes before resolving. The Public REST API and Dashboard were not affected.

Fan-out

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Email subscribers1,234

Webhook endpoints18

Slack channels14

SMS (major only)0

PagerDutylinked

Timeline so far

Read-only summary of what subscribers have already received.

14:32 UTCInvest. Elevated 5xx on Webhooks API.

14:48 UTCIdent. Root cause identified.