What 200, 404 & 500 REALLY Mean — HTTP Status Codes Explained Simply | API Course Ep 6
Ever seen a "404" and wondered what it actually means? In Episode 6 of our beginner API course, we decode HTTP status codes — the little 3-digit numbers your apps get back on every request. By the end you'll instantly know whether something worked, or exactly why it broke.
You'll learn:
✅ The 5 status code families (1xx–5xx) and the one-digit trick
✅ 2xx success — 200 (OK) & 201 (Created)
✅ 3xx redirects — 301 (Moved Permanently)
✅ 4xx your-side errors — 400, 401, 403, 404, 429
✅ 401 vs 403 (the one everyone mixes up)
✅ 5xx server errors — 500 & 503
✅ How to use status codes to debug like a pro
⏱ Memory trick: 2 = good · 4 = your fault · 5 = their fault
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