All Articles
Building a Production RAG System with Gemini Embedding API and Pinecone
A step-by-step guide to building a production-ready RAG system using Gemini Embedding API and Pinecone. Covers index design, query optimization, chunking strategies, and cost management with practical Python code.
Gemini API × SwiftUI in Production: Streaming, Multimodal, Error Handling, and App Store Submission
A production-grade guide to integrating the Gemini API into SwiftUI apps at production quality. Covers streaming responses, multimodal input, error handling, test strategies, and App Store submission requirements.
How I Cut My Gemini API Bill from ¥52,000 to ¥8,400 a Month — Caching, Model Routing, and the Batch API
A working record of cutting my Gemini API bill from ¥52,000 to ¥8,400 a month. Covers implicit vs. explicit caching, Flash/Pro routing rules, migrating to the Batch API, and a usage_metadata logging setup — with the production code I actually run.
Gemini TTS API: Generate Expressive Voice with Style Controls
A comprehensive guide to using the Gemini 2.5 Flash and Pro Text-to-Speech API. Learn how to specify voice styles, handle multi-speaker audio, and control tone and emotion through prompts — with practical code examples.
Automate AI Workflows with Gemini API and n8n
Learn how to connect Gemini API with n8n to automate AI-powered workflows. From basic HTTP Request nodes to advanced AI Agent setups — with practical code examples throughout.
Gemini API with Zapier & Make.com — A No-Code Automation Guide
Learn how to call the Gemini API from Zapier and Make.com without writing a single line of code. This beginner-friendly guide covers email summarization, sentiment analysis, translation automation, and more.
Gemini API × Spring Boot Enterprise Production Guide: Spring AI, Multi-Tenancy, Security & Observability
A complete guide to running Gemini API in production with Spring Boot. Covers Spring AI framework integration, multi-tenant architecture, API key management, async processing, observability with Micrometer/OpenTelemetry, and enterprise testing strategies.
Using Gemini API with Spring Boot: A Java Developer's Guide to Building AI Chat Applications
A step-by-step guide to integrating Gemini API with Spring Boot. Learn how to set up a production-ready REST endpoint that delivers Gemini AI responses — no Python required.
Growing a Customer Support Chatbot with Gemini API: An Implementation Notebook
An implementation notebook for building a production-ready customer support chatbot with Gemini API, covering three-layer system prompts, Function Calling for FAQ lookup, escalation design, and seven pitfalls not covered in the official documentation, drawn from indie developer experience.
Gemini API Pricing & Billing [2026]: From Free Tier to Token Costs Explained
A clear breakdown of Gemini API pricing in 2026 — free tier limits, token-based billing, model cost comparisons, usage estimation, and spend cap setup to keep your costs under control.
Mastering Gemini 2.5 Pro System Instructions — Production-Grade AI Assistant Design Patterns
A deep-dive practical guide to mastering Gemini 2.5 Pro system instructions. Learn persona design, output control, safety guardrails, A/B testing, and version management with full code examples for production environments.
Gemini API × E-Commerce Automation: AI Product Content Generation Guide
Automate your e-commerce operations with Gemini API: generate SEO-optimized product descriptions, analyze customer reviews, create multilingual catalogs, and build intelligent product content pipelines