#api
Articles tagged "api".
5 articles
API Monitoring Guide: how to watch the endpoints your business runs on
Your website can be perfectly up while your API quietly fails — and APIs power the integrations, apps and partners you can't see. Here's how to monitor them properly.
Webhooks 101: what they are and how to use them
A webhook is how one app says 'hey, this just happened' to another — instantly, without anyone asking. Here's what webhooks are, how they differ from polling, and how to use them well.
Rate Limiting & HTTP 429 Explained
Rate limiting is how services protect themselves from too many requests — and HTTP 429 is how they say 'slow down'. Here's how it works, and how to handle it gracefully on both sides.
401 vs 403: Unauthorized vs Forbidden
401 and 403 are the two 'you can't have this' codes — and they're constantly confused. Here's the simple rule for telling them apart, with examples.
CORS Errors Explained (and how to fix them)
Every web developer meets the dreaded 'blocked by CORS policy' error. It's not a bug — it's a security feature. Here's what CORS is, why the browser blocks your request, and how to fix it properly.