Route Slack On-Call Alerts to WhatsApp

When a Sentry or PagerDuty alert fires in a Slack channel, the agent identifies the on-call engineer, pings them on WhatsApp with the alert details, and tracks acknowledgement.

Webhook + WhatsAppalertson-callincidents

Conversation example

Slack event: new message in #alerts from Sentry bot — 'Error rate spike on /api/checkout (320 errors in 5 min)'
http_request → Slack usergroups.users.list

High-severity Sentry alert in #alerts. Checking on-call rotation...

whatsapp_web_send

Primary on-call: @devi (India, 11:42 PM local) Sending WhatsApp DM now with: - Sentry issue link - Error rate graph (last 30 min) - Stack trace snippet (top frame: PaymentService.validate) - Acknowledge button Devi acknowledged in 2 min 14 sec. She's investigating — posted 'picking up, deploying rollback to test' back to #alerts. I'll watch for resolution or escalate to secondary if no update in 15 min.

More Slack use cases

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