All Articles
Measuring Before You Tune: Experimenting With Gemini API's temperature, top-p, and top-k
An experiment-driven look at how temperature, top-p, and top-k behave across four real tasks. Instead of the usual rules of thumb, this guide shares actual numbers so you can pick sampling values with evidence rather than gut feeling.
Gemini API Micro-SaaS Monetization — Pricing, Margins, Billing, and Retention
A practical, implementation-level map for turning a Gemini-API-powered micro-SaaS into a real, profitable business — pricing, unit economics, billing stack, and retention engineering.
Building a Niche-Focused AI Web Service With Gemini API — A Realistic Business Playbook for Indie Developers
A realistic map for indie developers who want to build a small, sustainable Gemini-API-powered web service that is used by a specific audience — not another generic chatbot.
Parallel Function Calling in Gemini API: Production Patterns, Pitfalls, and Monitoring
A production guide to Parallel Function Calling in the Gemini API: DAG tool design, partial failure handling, rate limits, and monitoring — with working code.
Hitting the Subrequest Limit When Running Gemini API on Cloudflare Workers? Here's What Actually Works
Your Gemini API code works locally but throws 'Too many subrequests' the moment it ships to Cloudflare Workers or Vercel Edge. Here are the diagnostic steps and fixes I actually use across the sites I run.
Stopping Gemini API Function Calling Loops: Why They Happen and How to Break Them
Your tool-calling agent keeps invoking the same function and never finishes. Here is how to diagnose the loop and bake stop conditions into your prompt, code, and tool responses.
Five Prerequisites I Always Write Before Handing a Spec to Gemini
Handing a spec to Gemini rarely produces the code you expected on the first try. Here are five preambles I always attach before the spec itself — the small habits that lifted the quality of Gemini's code output the most in my own projects.
Preventing Gemini API Cost Spikes in Solo Products — Guardrails That Save You from Month-End Shocks
Nearly every solo developer using the Gemini API eventually has the 'why is my bill 10x what I expected' month. Here are the production-grade guardrails I always install in my own wallpaper app and client projects to stop cost runaways before they start.
Defending Gemini API Apps from Prompt Injection: A Multi-Layer Production Architecture
A four-layer prompt injection defense for Gemini apps: sanitized input, hardened prompts, structured output, and a moderator LLM — with runnable Python.
Resilient Gemini API Services in Production — Circuit Breakers, Bulkheads, and Fallback Models That Keep Your App Alive
A production-ready resilience playbook for Gemini API: circuit breakers, bulkheads, jittered retries, and model fallback chains — with working Python so your service stays up even when the upstream doesn't.
Diagnosing Gemini API INVALID_ARGUMENT Errors by Root Cause
The INVALID_ARGUMENT (HTTP 400) error from the Gemini API can come from a surprising number of places, and the message alone rarely tells you which one. This guide walks through seven common root causes with real responses and code fixes.
When Gemini Mixes Japanese Into English Output — A Practical Playbook for Language Control
Gemini API often leaks source-language characters into translated output. Here is the System Instructions, few-shot and response_schema combination I use to stop it in production.