Technical deep dives on building developer tools, API design, and shipping products. From the team behind Anethoth.
A step-by-step guide to building a production-ready PDF invoice generation API using Python, FastAPI, and WeasyPrint. Complete with templates, validation, and Stripe billing.
Why your cron jobs fail silently, how dead man's switch monitoring works, and how to set up reliable alerting for every scheduled task in your infrastructure.
How to implement feature flags without LaunchDarkly's price tag. Practical patterns for progressive rollouts, A/B testing, and kill switches that every startup should use.
Everything you need to know about debugging webhook integrations — from capturing payloads to replaying failed deliveries. Covers Stripe, GitHub, Shopify, and more.
Everything we write about, we ship. Try our developer tools with generous free tiers.