Blog

Guides, product updates and build notes. Follow along via RSS.

August 10, 2026Guides10 min read

What Authentication Actually Costs, Both Ways

The vendor invoice and the maintenance bill, with real numbers on both sides, and the question that actually decides which one you pay.

August 10, 2026Guides9 min read

Stripe retries for three days, so your handler runs twice. The fix is usually smaller than the event-ID table everyone recommends.

August 10, 2026Guides13 min read

What self-hosted authentication means, what it costs to run, and the Auth.js and Prisma code that ships in a free Next.js starter kit.

August 10, 2026Engineering8 min read

Adding a seat mid-cycle does not charge, removing one does not refund. The money bugs in team billing live in the transitions.

August 10, 2026Guides10 min read

What the Next.js 16 rename changes for route protection, the Auth.js code that runs in production, and the mistake we shipped.

August 10, 2026Guides8 min read

The code is the easy half. The migration is decided by whether you can take your password hashes with you, and that answer differs by provider.

July 26, 2026Guides3 min read

A practical checklist for picking a starter kit you will not regret three months in.

July 25, 2026Guides1 min read

File-based MDX posts with categories and RSS. Write a Markdown file, commit, done.

July 23, 2026Engineering2 min read

One framework for the frontend, the backend and the marketing site, and why that matters for a SaaS.

July 22, 2026Engineering2 min read

Type-safe database access and readable migrations, on a database you can host anywhere.