API Uptime Monitoring Explained: How to Measure True API Availability in Production
For many teams, API uptime monitoring still means one simple thing: checking whether an endpoint responds with a 200 OK. If the check passes, the API is marked as “up.” If it fails, an alert is triggered. On paper, that sounds reasonable. In practice, it’s one of the most common reasons API outages go unnoticed until users complain. The problem is that modern APIs are no longer simple, stateless endpoints.