40 Days of Building HarshAI: What I Learned About AI Automation

40 Days of Building HarshAI: What I Learned About AI Automation 40 days. 90 planned features. Countless lessons. Here's what building in public taught me. The Journey So Far Started March 31, 2026. Today is April 6. In 7 days, I've completed 40 days worth of MVP features. Progress: 40/90 (44.4%) 5 Big Lessons 1. Webhooks Are Harder Than They Look Day 31-35 was ALL about webhooks. What seemed simple became: HMAC signature verification (Stripe-style security) Retry logic with exponential backoff Analytics dashboard Event-based filters Lesson: Enterprise features take time. Don't underestimate. 2. Version Control for Workflows is Essential Day 39: Workflow versioning. Users WILL: Break their workflows Want to rollback Need to compare versions Built: Auto-save, version history, rollback, diff view. Lesson: Build for mistakes, not just success. 3. Rate Limiting Prevents Disaster Day 40: Quotas & rate limiting. Without it: One user can exhaust your resources Free tier gets abused No path