PULSE Overview
Introduction to PULSE - a real-time, serverless analytics platform
Welcome to PULSE Analytics
PULSE is a real-time, serverless analytics platform designed for modern applications. Built on Cloudflare Workers and D1 SQLite, it provides instant insights into user behavior, retention, and engagement without the complexity of traditional analytics platforms.
Key Features
- Real-Time Data Collection — Events ingested and aggregated in milliseconds
- Serverless Architecture — No infrastructure to manage, scales automatically
- Cost-Effective — Pay only for what you use, minimal database costs
- GDPR Compliant — Built-in data privacy and retention policies
- WebSocket Streaming — Live analytics dashboards with real-time updates
- Cohort Analysis — User segmentation with retention tracking
- Alert Rules Engine — Proactive notifications on anomalies
- Bulk Imports — Load historical data from CSV/JSON
- Scheduled Exports — Generate reports on a schedule
Platform Architecture
PULSE is built with a modern, decoupled architecture:
Event Ingestion → D1 Database → Query Engine → WebSocket Streaming
↓
KV Cache Layer
↓
Scheduled Jobs
- Event Ingestion API — Accept events from your applications
- D1 Database — SQLite database for event storage and analysis
- Query Engine — Fast aggregation and analytics queries
- KV Cache — Distributed caching for performance
- Scheduled Jobs — Nightly snapshots and maintenance tasks
- WebSocket Streaming — Real-time updates to dashboards
Use Cases
- Product Analytics — Track user interactions and feature adoption
- Performance Monitoring — Monitor application performance metrics
- Business Intelligence — Cohort analysis and retention metrics
- Behavioral Analytics — Understand user journeys and funnels
- Compliance & Audit — Track data retention and privacy requirements
Getting Started
Choose your path:
- 5-Minute Quick Start — Get up and running in minutes
- Full Installation Guide — Comprehensive setup instructions
- API Documentation — Complete API reference
- Architecture Guide — Deep dive into system design
Technology Stack
| Component | Technology |
|---|---|
| Runtime | Cloudflare Workers |
| Database | D1 (SQLite) |
| Caching | Cloudflare KV |
| Messaging | Durable Objects |
| Monitoring | Datadog (optional) |
| Language | TypeScript |
Next Steps
- Quick Start — Get set up in 5 minutes
- Installation — Detailed setup guide
- First Event — Send your first event
- Architecture — Understand how it works
Frequently Asked Questions
What are the minimum requirements?
PULSE requires:
- Cloudflare account (free tier supported)
- D1 database binding
- KV namespace binding
- Node.js 18+ for deployment
How much does PULSE cost?
PULSE pricing depends on your usage:
- Ingestion — $0.50/million events
- Storage — Standard D1 pricing
- Queries — Included in D1
- KV Cache — $0.50/million reads + $5/million writes
See Cloudflare Pricing for current rates.
Is PULSE suitable for production?
Yes! PULSE is production-ready and used by analytics platforms handling millions of events daily.
Can I migrate from another analytics provider?
Yes! PULSE supports bulk imports via CSV or JSON. See Imports & Exports.
What’s the maximum event volume?
PULSE scales automatically with Cloudflare Workers. Tested with 1000+ events/second sustained throughput.
Ready to dive in? Start with the Quick Start Guide.
Last updated: April 3, 2026