APM for Ruby, Elixir, Node.js & Python

No-brainer monitoring for smart developers.

Error tracking screenshot of AppSignal APM with an error sample in view.

Easy setup, instant impact

Install AppSignal and start monitoring your app and solving bugs within 5 minutes.

Deep insights

Quickly get to the root cause of an issue. Less debugging, more problem-solving.

Real human support

No chatbots. We're always on hand to help you get things done.

Supported Stacks

Know your app, front to back.

We love the diversity of languages that are used to build the web. AppSignal is a powerful APM that works out-of-the-box for the following languages and frameworks:

APM made simple

Eight powerful features. One simple interface.

When the bits hit the fan, developers need clear and focused insights. AppSignal combines 8 powerful monitoring features into one APM — all in an easy to use interface.

Error tracking

Error tracking

Track exceptions, get error alerts, debug and fix them with ease.

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Performance monitoring

Performance monitoring

Monitor the performance of your slowest actions down to the nanosecond.

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Host monitoring

Host monitoring

Monitoring for your servers: keep an eye on CPU, Disk, Network & more.

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Anomaly detection

Anomaly detection

Avoid surprises and set triggers for anomalies on any metric you'd like.

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Uptime monitoring

Uptime monitoring

Get alerted in real-time when your application is down.

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Metric dashboards

Metric dashboards

Collect metrics from your code and chart them on dashboards.

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Log management

Log management

Collect and manage application logs in an easy-to-use interface.

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Check-ins

Check-ins

Monitor your application's background jobs and processes.

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Time Detective

Monitor your application's background jobs and processes.

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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.

Read customer stories →

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    APM in 5 minutes

    Easy to install.
    Low learning curve.

    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.

    Ruby
    Elixir
    JavaScript
    Node.js
    Python
    Ruby
    # Add to Gemfile source "https://rubygems.org" gem "appsignal" # Ruby app installation bundle exec appsignal install YOUR_PUSH_API_KEY
    Elixir
    # Add to mix.exs def deps do [{:appsignal, "~> 1.0"}] end # Elixir installation mix deps.get mix appsignal.install YOUR_PUSH_API_KEY
    JavaScript
    // Install AppSignal yarn add @appsignal/javascript npm install --save @appsignal/javascript // Initialize AppSignal import Appsignal from "@appsignal/javascript" // For ES Module const Appsignal = require("@appsignal/javascript").default // For CommonJS module const appsignal = new Appsignal({ key: "YOUR FRONTEND API KEY" })
    Node.js
    // 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" })
    Python
    # Add AppSignal to requirements.txt file appsignal # Run the following commands to install AppSignal pip install -r requirements.txt python -m appsignal install

    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.

    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!