Insights From Builders
Deep dives on AI, software architecture, product development, and the industries we serve. Written by the engineers at Zyptr who build these systems every day.
Building Production-Grade AI Voice Agents: What 6 Months of Failures Taught Us
We spent six months building voice AI agents for customer support. Most of what we tried didn't work. Here's what finally did, and what we wish someone had told us upfront.
Multi-Tenancy Deep Dive: Row-Level vs Schema vs Database Isolation
We've implemented all three multi-tenancy models in production SaaS products. Each has tradeoffs that become clear only under real-world conditions. Here's the full comparison.
The Hidden OpenAI API Costs That Killed Our Client's Budget (And How We Fixed It)
A client's OpenAI bill went from $400/month projected to $6,200/month actual. Here's every cost trap we found and the optimizations that brought it back under control.
FinTech in India: UPI, NACH, and What Foreign Payment Providers Get Wrong
We've built payment integrations for eight FinTech products in India. Foreign payment providers consistently misunderstand the Indian payment ecosystem. Here's the reality.
Prompt Engineering Isn't a Skill Anymore — It's a System
Individual prompt crafting doesn't scale. We've moved to treating prompts as version-controlled, tested, evaluated infrastructure — and the results speak for themselves.
The SaaS Architecture Decisions That Actually Matter at 0→100K Users
Most architecture advice assumes you're building for millions of users from day one. Here's what actually matters when you're going from launch to your first 100K users.
Fine-tuning vs RAG: We Tried Both. Here's When Each Actually Makes Sense
After implementing both fine-tuning and RAG across multiple client projects, we've developed a clear framework for choosing between them. It's not what most blog posts tell you.
Why Most AI Projects Die in Staging (and Never Make It to Production)
We've watched dozens of AI projects get stuck between a promising demo and actual production deployment. Here's what kills them and how to avoid the same fate.
Subscribe to our newsletter for weekly content on AI, software, and product development.