Sentry Has a Free API: Catch Errors Before Your Users Report Them

What is Sentry? Sentry is an application monitoring platform that captures errors, performance issues, and session replays in real-time. When your production code throws an error, Sentry catches it, groups it, and shows you the exact line of code, user context, and breadcrumb trail. Why Sentry? Free tier — 5K errors/month, 10K performance transactions, 50 session replays Automatic error grouping — same error from 1000 users = 1 issue Stack traces — with source maps, see the exact line in YOUR code Session replays — watch what the user did before the error Performance monitoring — track slow pages, API calls, database queries Every platform — JavaScript, Python, Go, Java, Ruby, PHP, React Native, Flutter Quick Start (JavaScript) npm install @sentry/node import * as Sentry from ' @sentry/node ' ; Sentry . init ({ dsn : ' https://your-key@sentry.io/your-project ' , tracesSampleRate : 0.1 , // 10% of transactions for performance environment : ' production ' , release : ' my-app@1.0.0 ' });