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Technical Specification

Comprehensive technical spec template with system overview, API design, data models, and implementation milestones.

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VerseKit Team

@versekit

Published January 8, 2026

Available Variables

Use these variables with Handlebars syntax {{variableName}} in your content.

{{req1}}

Support multiple notification channels (push, email, SMS, in-app)

{{req2}}

User notification preferences management

{{req3}}

Rate limiting to prevent notification spam

{{req4}}

Notification history and read status tracking

{{goal1}}

Deliver notifications within 500ms of trigger event

{{goal2}}

Support 100K concurrent WebSocket connections

{{goal3}}

Achieve 99.9% delivery rate for critical notifications

{{risk1}}

WebSocket connection limits under high load

{{risk2}}

Third-party service rate limits

{{title}}

Real-time Notification System

{{author}}

Engineering Team

{{status}}

In Review

{{version}}

1.2

{{nonGoal1}}

Rich media notifications (planned for v2)

{{nonGoal2}}

Notification analytics dashboard

{{overview}}

This document outlines the technical specification for implementing a real-time notification system that supports push notifications, email, SMS, and in-app notifications with user preference management.

{{modelName}}

Notification

{{field1Desc}}

Unique notification identifier

{{field1Name}}

{{field1Type}}

UUID

{{field2Desc}}

Target user for the notification

{{field2Name}}

user_id

{{field2Type}}

UUID

{{field3Desc}}

Delivery channel (push, email, sms, in_app)

{{field3Name}}

channel

{{field3Type}}

enum

{{field4Desc}}

Notification content and metadata

{{field4Name}}

payload

{{field4Type}}

JSONB

{{req1Status}}

In Progress

{{req2Status}}

Completed

{{req3Status}}

Not Started

{{req4Status}}

In Progress

{{createdDate}}

January 10, 2025

{{lastUpdated}}

January 15, 2025

{{apiEndpoint1}}

/api/v1/notifications

{{apiEndpoint2}}

/api/v1/notifications/:id/status

{{component1Desc}}

Central orchestration service handling routing and preference checks

{{component1Name}}

Notification Service

{{component2Desc}}

Dedicated workers for each notification channel

{{component2Name}}

Channel Workers

{{component3Desc}}

Handles real-time connections for in-app notifications

{{component3Name}}

WebSocket Gateway

{{milestone1Date}}

Jan 30

{{milestone1Desc}}

Deploy WebSocket gateway and message queue

{{milestone1Name}}

Infrastructure Setup

{{milestone2Date}}

Feb 15

{{milestone2Desc}}

Complete notification routing and preferences

{{milestone2Name}}

Core Features

{{milestone3Date}}

Mar 1

{{milestone3Desc}}

Full rollout with monitoring

{{milestone3Name}}

Production Release

{{risk1Mitigation}}

Implement horizontal scaling with sticky sessions

{{risk2Mitigation}}

Implement queue-based delivery with retry logic

{{apiEndpoint1Desc}}

Create a new notification request with channel targeting

{{apiEndpoint2Desc}}

Get delivery status for a specific notification

{{sequenceDiagramDesc}}

Event trigger → Notification Service → Channel Workers → Delivery

{{architectureOverview}}

The system follows an event-driven architecture with a central notification service that routes messages to channel-specific workers.

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