Articles on API monitoring, uptime tracking, health checks, and developer tooling for modern applications.
A vendor-neutral guide to monitoring Next.js API routes in production. The 3 layers you actually need (external uptime, internal execution, error tracking), how to combine them, and a 30-minute setup.
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UptimeRobot pings your URL from outside. It can't see inside your server. A route can return 200 and still be broken. Here's why Next.js teams need both external and internal monitoring.
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Sentry is the best in class for error tracking. Nurbak Watch is uptime and performance monitoring. They solve different problems — and most production Next.js apps need both. Here's how they compare.
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Datadog is built for platform teams with budget. Nurbak Watch is built for indie devs and startups. If your real question is 'is my Next.js API alive and fast', you don't need an enterprise APM.
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How to use Next.js's instrumentation.ts hook for production monitoring. What it is, what you can intercept, how to build a basic monitoring hook manually, and when to use a dedicated tool.
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SLA is the contract. SLO is the target. SLI is the measurement. Most teams confuse them — here's a clear explanation with real-world API examples and how they connect to monitoring.
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Sentry's free tier gives you 5,000 errors/month. But what happens when your app has a bad day and throws 50,000? Here's how Sentry's pricing actually works — and where it gets expensive.
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Prometheus collects metrics. Grafana visualizes them. They're not competitors — they're a stack. Here's how each works, when you need both, and when you need neither.
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Unit tests catch bugs in your code. API tests catch bugs in your contracts. Here's a practical guide to API testing strategies — from contract testing to load testing — with real examples.
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APIs are the #1 attack vector in 2026. Here's how to test yours for the OWASP API Security Top 10 vulnerabilities — with practical tools and code examples.
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A practical guide to Vercel's built-in logging: how to access logs, search them, understand their limitations, and complement them with monitoring for production Next.js apps.
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Sentry catches errors with stack traces and session replay. Datadog monitors infrastructure with APM and distributed tracing. They solve different problems — here's how to choose.
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A practical guide to Next.js middleware covering authentication, redirects, geolocation, rate limiting, and how instrumentation.ts complements middleware for production monitoring.
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A complete guide to error handling in Next.js: error.tsx for client errors, try/catch in API routes, global error boundaries, and monitoring to catch what local testing misses in production.
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An honest comparison of New Relic (managed SaaS, per-user pricing) and Grafana (open-source, self-hosted or cloud). Pricing, features, learning curve, and when neither fits your needs.
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Your API was down for 47 minutes before anyone noticed. That's your MTTD — and it's killing your SLA. Here's how to measure, benchmark, and reduce Mean Time to Detect for API incidents.
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A practical incident response framework for API and development teams: Detect, Triage, Mitigate, Resolve, Learn. Not generic IT security — specific to API outages with MTTD and MTTR metrics.
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An honest comparison of Honeycomb and Datadog for observability. Honeycomb excels at event-driven debugging. Datadog is the all-in-one SaaS. Here is when to pick each — and when neither fits.
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A comparison of the top distributed tracing tools — Jaeger, Zipkin, Tempo, Datadog APM, Honeycomb — and an honest look at when you actually need tracing versus simpler monitoring.
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A practical guide to API error handling covering HTTP status codes, error response formats, retry logic, circuit breakers, and monitoring as the layer that catches what error handling misses.
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99.99% uptime sounds almost perfect. It means your service can be down for 52 minutes per year. Here's what each uptime level means in real downtime — and how to measure yours.
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Webhooks fail silently. Stripe sends a payment event, your endpoint returns 500, and you don't know until the customer complains. Here's how to monitor webhooks properly.
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UptimeRobot is great for free uptime pings. But when you need latency tracking, error rates, or alerts faster than 5 minutes, you need something more. Here are 5 alternatives.
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Traditional monitoring tools assume your server is always running. On serverless, it's not. Here's how to monitor APIs when there's no persistent process, no host, and every request is a cold start waiting to happen.
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Pingdom was the go-to uptime tool for a decade. But at $15+/month for 10 checks and no real APM, developers are moving on. Here are 5 alternatives that do more for less.
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PagerDuty is built for enterprise incident management. If you're a small team that just needs 'alert me when my API breaks,' here are 5 alternatives that cost less and do enough.
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New Relic advertises 100GB/month free forever. But what happens when you hit 101GB? Here's how New Relic's pricing actually works — data ingestion costs, per-user fees, and where the bill surprises you.
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New Relic's free tier is generous — until you add a second developer. Here are 5 alternatives for teams that need observability without per-user pricing surprises.
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Datadog charges per host. New Relic charges per user + per GB. Same features, completely different pricing models. Here's an honest comparison to help you choose — or skip both.
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Better Stack bundles uptime monitoring, logs, status pages, and on-call for $24/month. Here's what you get at each tier and whether the free tools you're using now are actually cheaper.
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Is 200ms fast? Is 2 seconds too slow? Here are the actual benchmarks for API response times in 2026, what causes slow APIs, and how to measure and improve yours.
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504 Gateway Timeout. The error that means your gateway gave up waiting for your backend. Here's why it happens, how to fix it for AWS API Gateway, Kong, and Nginx — and how to detect it before your users do.
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Learn what uptime means, how the nines work, how to calculate uptime percentage, and why uptime monitoring matters for APIs and web applications. Includes SLA, SLO, and SLI breakdowns with practical examples.
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Learn what synthetic monitoring is, how it works step by step, and the different types of synthetic tests. Understand synthetic transaction monitoring, its limitations, and how it compares to internal monitoring and RUM.
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Endpoint monitoring checks whether your API endpoints respond correctly, quickly, and consistently. Learn what it is, how it works, what metrics matter, and how it differs from API monitoring and uptime monitoring.
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Understand the differences between synthetic monitoring and real user monitoring. Compare data sources, coverage, cost, and complexity to decide which approach fits your API and web application stack.
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Complete guide to synthetic monitoring — how scripted checks simulate user behavior, the different types (HTTP, browser, API, multi-step), and a comparison of the 7 best synthetic monitoring tools including Datadog Synthetics, Checkly, Pingdom, and Nurbak.
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P95 latency reveals what your slowest users actually experience. Learn the difference between P50, P95, and P99, why averages lie, how to calculate percentiles, and what good latency targets look like by API type.
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A practical breakdown of observability vs monitoring. Learn the key differences, when each approach makes sense, and why most teams need monitoring before observability. Includes a tool comparison table.
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Comprehensive comparison of the 10 best uptime monitoring tools. Nurbak Watch, UptimeRobot, Better Stack, Pingdom, Uptime Kuma — pricing, features, check intervals, and which one fits your stack.
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Email alerts get buried. Slack gets silenced at night. WhatsApp dominates LATAM communication and bypasses most DND filters. Set up instant WhatsApp alerts for your Next.js API routes in 5 lines.
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Most teams monitor uptime and call it done. But uptime doesn't tell you that /api/checkout is 4x slower than yesterday, or that 3% of /api/users requests return 500. Here are the 5 metrics that actually matter — and how to track them.
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External pings miss what happens inside your server. Learn how to use the Next.js instrumentation hook to monitor every API route automatically — with real code examples and zero infrastructure.
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An API health check endpoint tells you if your service is alive before your users tell you it's dead. Build one that checks DB, Redis, memory, and external services — with full code examples.
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Three tools, three philosophies. Datadog is the all-in-one SaaS. Grafana is the open-source assembler. Splunk is the enterprise log powerhouse. Here's an honest comparison to help you choose.
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Datadog's pricing page shows $15/host/month. Your actual bill shows $2,400/month. Here's how Datadog pricing really works, what hidden costs to watch for, and when it makes sense to use something simpler.
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Datadog is powerful — but $300+/month for a small team is hard to justify. Here are 10 alternatives ranked by use case, from open-source self-hosted to lightweight SaaS, with real pricing and setup times.
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Datadog agents eat 500MB of RAM. New Relic daemons don't survive serverless cold starts. Here's why agentless monitoring is the only approach that works for Next.js APIs — and how to set it up.
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Your API gateway handles auth, rate limiting, and routing. But who monitors the gateway? Here's what to track for AWS API Gateway and Kong — and the blind spot both leave at the application level.
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An API outage costs $5,600 per minute on average. Learn what causes API downtime, the real business impact of outages, and how to detect them before your users do.
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Learn how to connect Slack to your API monitoring stack and get instant alerts for downtime, latency spikes, error rates, and SSL expiry — right where your team already works.
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Uptime Kuma is the best open-source uptime monitor — but self-hosting means patching, backups, and single-point-of-failure. Here's when managed monitoring makes more sense.
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Postman is great for building and testing APIs. But is Postman Monitors the right tool for production monitoring? We compare the two approaches.
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Pingdom has been the go-to for uptime monitoring since 2007. But is it still the right choice for modern API monitoring? We compare features, pricing, and developer experience.
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New Relic covers everything — APM, logs, infrastructure, browser. But if you just need API health monitoring, is all that complexity worth it? A practical comparison.
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The complete guide to API performance monitoring. Learn what DNS lookup, TLS handshake, TTFB, and P50/P95/P99 percentiles actually measure — and how to use them to find and fix slow endpoints.
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Learn how to create a public status page that shows real-time API health, per-endpoint uptime, and incident history. Build trust with customers and reduce support tickets — free with Nurbak.
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Honest comparison of the best API monitoring tools with free tiers. Nurbak, UptimeRobot, Better Stack, Checkly, Pingdom — pricing, features, and which one fits your stack.
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Learn how to create a health check endpoint in Next.js and monitor it with automated external checks from multiple regions.
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