Complete & customizable monitoring for Node.js.
AppSignal is the all-in-one APM for Node.js applications. It's easy to set up and has a clean user interface. Install now to get real-time error tracking, application performance monitoring and much more debugging data.
Apollo Server
Explore docsExpress
Learn moreKOA
Learn moreNext.js
Explore docsNode-postgres
Explore docsNode.js Core
Explore docsRedis
Explore docsAll-in-one Node.js APM
Monitoring can be
so much simpler.
Error tracking
Track exceptions, get error alerts, debug and fix them with ease.
Performance monitoring
Monitor the performance of your slowest actions down to the nanosecond.
Host monitoring
Monitoring for your servers: keep an eye on CPU, Disk, Network & more.
Anomaly detection
Avoid surprises and set triggers for anomalies on any metric you'd like.
Metric dashboards
Collect metrics from your code and chart them on dashboards.
Uptime monitoring
Get alerted in real-time when your application is down.
What our customers think
1500+ development teams rely on AppSignal to ship code with confidence. We are sharing a few of their stories with you.
5-Minute APM
Installation without
the frustration
AppSignal is built for ease of use. The installation is effortless and we'll set most things up automatically. You'll be monitoring exceptions and performance in no-time.
// Install AppSignal
npx @appsignal/cli install
// Initialize AppSignal
const { Appsignal } = require("@appsignal/nodejs")
const appsignal = new Appsignal({
active: true,
name: "YOUR APPLICATION NAME",
pushApiKey: "YOUR API KEY"
})Lightweight agent
AppSignal's monitoring agent is built with Rust. It's lightweight, stable and already runs in thousands of applications.
Dev-to-dev support
If you need us, we’re there for you. We’re committed to making AppSignal monitoring great for you and your team.
GDPR Compatible
Got customers in the EU? Our data processing is GDPR compliant.
99.999% Uptime
If there’s one thing you need to trust, it’s your APM. We're ready to help you monitor, at every scale.
Node.js blog
Our best Node.js articles
AppSignal writes high-quality articles about programming in Node.js on our blog. This is a collection of our best articles.
Patterns and Anti-patterns in Node.js
Let's explore some best practices and patterns for Node.js apps, that help avoid anti-patterns like callback hell.
Dependency Injection in JavaScript: Write Testable Code Easily
Discover some great tools that will help you write testable code, including dependency injection libraries.
How to Keep Database Table Sizes Down and Prevent Data Bloat
Watch out for data hoarding, which can cause database bloat. Here's how to keep your database table sizes down.
Use Streams to Build High-Performing Node.js Applications
Find out how to use the `stream` module in Node.js to build high-performing applications.
Start your free trial
Don’t let the bad bugs bite. Try AppSignal for free.
AppSignal offers a 30-day free trial, no credit card is required. All features are available in all plans. Start monitoring your application in just a few clicks!
Features
Languages
Support
Do you need help, have a feature request or just need someone to rubber duck with? Get in touch with one of our engineers.
About us
AppSignal is located in beautiful Amsterdam. We love stroopwafels. If you do too let us know. We might send you some!