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⚡ AI Lessons
Dev.to · Jack
🔧 Backend Engineering
⚡ AI Lesson
5mo ago
Why Every Developer Tool Should Offer a Free API (Not Just a Free Tier)
Most SaaS products offer a "free tier" — sign up, verify email, get limited access. But there's a...
Dev.to · Jack
🔧 Backend Engineering
⚡ AI Lesson
5mo ago
7 Free APIs You Can curl Right Now (No Signup, No API Key)
Sometimes you just need a quick API to test something, format data, or solve a problem. No signup...
Dev.to · Jack
🔧 Backend Engineering
5mo ago
Webhook.site vs Building Your Own: When Free Tools Cost You More
If you've ever debugged a webhook integration, you've probably used webhook.site. It's free, it's...
Dev.to · Jack
🔧 Backend Engineering
⚡ AI Lesson
5mo ago
The Ultimate Cron Expression Cheat Sheet (With Examples)
Cron expressions are one of those things every developer needs but nobody memorizes. Bookmark this —...
Dev.to · Jack
🔧 Backend Engineering
⚡ AI Lesson
5mo ago
SQLite Is All You Need (Until It Isn't) — A Practical Guide
I run 4 production SaaS products on SQLite. Not PostgreSQL. Not MySQL. SQLite. Before you close this...
Dev.to · Jack
🔧 Backend Engineering
⚡ AI Lesson
5mo ago
Why Most Developers Get PDF Generation Wrong (And How to Fix It)
PDF generation seems simple until it isn't. After building a PDF API that handles thousands of...
Dev.to · Jack
🔧 Backend Engineering
⚡ AI Lesson
5mo ago
Feature Flags Explained: Ship Code Without Breaking Everything
You just deployed a new feature and it's breaking everything. Users are complaining. Your boss is...
Dev.to · Jack
🔧 Backend Engineering
⚡ AI Lesson
5mo ago
How to Debug Webhooks Without Losing Your Mind
Webhooks are great in theory. In practice, they're a black box that fires HTTP requests into the void...
Dev.to · Jack
🔧 Backend Engineering
⚡ AI Lesson
5mo ago
11 Free APIs Every Developer Should Bookmark (No Signup Required)
Every developer needs a handful of utility APIs — the kind you reach for when building prototypes,...
Dev.to · Jack
🔧 Backend Engineering
⚡ AI Lesson
5mo ago
How to Look Up Verified Phone Numbers with TypeScript
If you're building outbound sales tooling, a CRM integration, or any pipeline that needs real mobile...
DeepCamp AI