Multi-channel delivery

Notification service

DifficultyStages: 0 / 4

Providers have limits
Check preferences first
Retries and duplicates
Share the provider
Final test

Send push, email and SMS through providers with hard limits. Absorb bursts, honor preferences, retry without double sends, and keep urgent traffic ahead of campaigns.

Final testThe SMS provider fails for 6 s at 1:00. Your final board runs once more with a new traffic seed.

The system, stage by stageTap, drag or use arrow keys to step through the stages

Stage 4 of 4 · 10 parts given · 33,320 requests/s

Users 3Push service 1Email service 1SMS service 1

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