Building a Cost-Optimized Multi-Provider AI Gateway with Claude API and LiteLLM — Fallback Design, A/B Testing, and Provider Migration Strategy
Learn how to build a production-grade multi-provider AI gateway centered on Claude API using LiteLLM. Covers fallback chain design, A/B testing, cost-based routing, and provider migration strategy with complete code examples.
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 frameworks, monitoring patterns, and implementation tricks I use to keep costs predictable — drawn from running my own apps.
Building a Production Multilingual Translation SaaS with Claude API — Glossaries, Style, and Domain Adaptation in Practice
A practical, code-first design guide for running a translation SaaS on Claude API: glossaries, style guides, domain adaptation, quality gates, and cost controls that survive real production traffic.
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.
Decoding Claude's 'Spanner Temporarily Unavailable' Error and How to Handle It
The 'Spanner temporarily unavailable' error occasionally appears in Claude API and Claude.ai responses. This guide unpacks what the message reveals about Anthropic's infrastructure and walks through practical retry strategies that production teams actually use.
Building a Hard-to-Cancel Micro-SaaS with the Claude API — Six Implementation Patterns to Stabilize $1,000/Month
Hitting $1,000/month with a Claude-powered micro-SaaS is one challenge. Holding it for three months running is a much harder one. Here are six implementation patterns — with working Stripe and Cloudflare Workers code — that took my churn from above 10% to under 5%.
When Extended Thinking 'Does Not Work': 7 Causes That Hide Behind the Same Symptom
When you turn on Extended Thinking but the response feels identical to before, the cause is usually one of seven distinct problems. This guide walks through how to diagnose each from the API, the chat UI, the SDK, and the model layer.
Implementing Usage-Based Billing for Claude API Services — Token Tracking, Price Conversion, and Stripe Metering from Scratch
A complete implementation guide for usage-based billing in Claude API services. Covers token measurement, markup calculation, Stripe Metered Billing integration, and per-user plan limits — with production-ready code throughout.
Claude API × Tauri 2: Building a Production Desktop AI App With Rust — Streaming, Tool Use, and Signed Distribution
A complete guide to shipping a production-grade desktop AI app with Tauri 2 and the Claude API: keychain-backed key storage, an SSE streaming bridge in Rust, Tool Use, and macOS/Windows signed distribution — with code you can copy.
Selling Knowledge Products with Claude API — Generating PDFs, Templates, and Newsletters That Actually Make Money
How to use Claude API to auto-generate and sell knowledge products — PDFs, templates, and newsletters — through platforms like Gumroad and Stripe. Includes working code examples.
Claude API × Convex: Reactive AI Apps — Data Flow, Streaming, and Agent Patterns
How to combine Convex's reactive database with the Claude API to build chat and agent applications that hold up in production. Covers schema design, the Action/Mutation/Query boundary, streaming, tool-call state, and the cold-start pitfalls nobody warns you about.