Challenge
Engineering maintained separate integrations for email, SMS, and push—leading to inconsistent templates, failed retries, and no unified delivery visibility.
Solution
A notification orchestration API with channel routing, template versioning, idempotent sends, retry policies, and webhook callbacks for delivery status.
Technology Stack
- Node.js
- REST
- PostgreSQL
- Redis
- SendGrid
- Twilio
- Firebase
Architecture Diagram
API Layer
Send APITemplate EngineWebhook Hub
Routing
Channel RouterRetry QueueFallback Rules
Providers
EmailSMSPush Notifications
Ops
Delivery AnalyticsPreference StoreRate Limits
Results
- Message delivery success rate improved to 99.7% across channels
- Engineering integration time reduced from 3 weeks to 2 days
- Unified analytics cut undelivered-alert investigation time by 60%
Client Feedback
“NotifyHub replaced three brittle integrations with one reliable API. Our lifecycle campaigns finally have the observability we needed.”
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