90 Days Building a Solo SaaS with Claude Code — And the Three Things I Got Wrong
A working log from 90 days of building a solo SaaS with Claude Code — design conversations, model routing, and Cloudflare Workers constraints. Revisited months later against primary docs, with three technical claims corrected in place.
Claude Plan Cheat Sheet for Indie Developers 2026 — Pro, Max, or API for Monetization?
A practical comparison of Claude Pro, Max, and API for indie developers asking: which plan actually pays for itself? With concrete recovery thresholds and a hybrid setup recommendation.
Designing a Claude API Monthly Budget That Doesn't Blow Up — Cost Management for Solo Developers
When you embed Claude API into a side-project app, the first thing you hit is the end-of-month invoice. Here are the budgeting math, logging, caps, and retry rules I use to keep costs predictable, including the places where I tripped.
Building a Recurring Billing SaaS with Claude API and Stripe — From Architecture to Production
A complete architecture guide for building a SaaS product powered by Claude API with Stripe recurring billing. Covers usage metering, tiered pricing, webhook handling, and production deployment patterns.
Indie Developer's Claude API SaaS Launch Blueprint — A 90-Day Roadmap from Idea to Paying Customers
A complete 90-day roadmap for building an indie Claude API business: idea validation, Stripe integration, SEO, subscription pricing tests, and the operational and emotional discipline that makes it last. Drawing on twelve years of solo app development and the new realities of AI APIs.
Claude API Revenue Models Compared — Pay-per-Use, Subscription, One-Shot, and Revenue Share for Indie Developers
When you build something with Claude API to make money, the hardest decision is rarely the API itself — it's the pricing model. This guide compares the four most common models from an indie developer's point of view.
Turning Claude Skills and Claude Code Plugins Into Products That Actually Sell
How to design, price, distribute, and improve Claude Skills and Claude Code Plugins as real products — with concrete patterns for packaging, billing, churn control, and knowing when to shut it down.
Monetizing SaaS with Claude API: Your Roadmap to ¥100K Monthly
A practical guide to building a profitable SaaS business using the Claude API. Learn pricing design, user acquisition, API cost optimization, and a roadmap to reaching your first ¥100K/month.
Rebalancing Interstitial Frequency in a Wallpaper App: Three Weeks of Trading Revenue Against Retention
I spent three weeks tuning only the interstitial frequency in a wallpaper app, watching where AdMob eCPM and next-day retention meet. Here is the quiet, unglamorous adjustment that actually moved things, with Claude in Chrome reading the dashboards alongside me each morning.
Maximizing Profit Margins with Claude Haiku / Sonnet / Opus Model Switching
A complete implementation guide for dynamically routing Claude API requests to the right model based on task complexity. Includes cost calculation formulas, routing engine code, quality fallback logic, and real-world margin impact data.
Building a Recurring Revenue Freelance Business with Claude Code — A 6-Month Roadmap to ¥1M MRR
Transform your freelance dev business from per-project income to predictable monthly recurring revenue. Learn how to pitch retainer contracts, price Claude Code's productivity gains correctly, and build a client management system that scales to ¥1M MRR.
Weekend MVP with Claude Code — From Zero to First Revenue in 48 Hours
Build a minimum viable product in a single weekend using Claude Code, integrate Stripe payments, and get your first paying customer — with actual prompts and commands shown step by step.