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Logging for modern web applications.

Search for and query the logs across your full-stack web app. Get started in seconds.
Feature Spotlight

Search & set alerts across your logs.

All the tools you need to search, analyze and set alerts for your web app’s logs.

Alerts on log patterns across your stack.

Create log alerts by setting log patterns and thresholds for real-time logs.

Powerful search. Powered by ClickHouse.

Perform fine-grained searches across all of your logs. Powered by ClickHouse, an industry leading time-series database.

From a “click” to a server-side error.

Visualize a complete, cohesive view of your entire stack. All the way from a user clicking a button to a server-side error.

Support for all the modern frameworks.

Whether its Python, Golang, or even vanilla JS, we got you covered. Get started with just a few lines of code.

import highlight_io H = highlight_io.H("<YOUR_PROJECT_ID>", instrument_logging=True)
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A few lines of code. That’s it.

Install highlight.io in seconds and get logging out of the box.

Join our Observability in Next.js livestream.

If you’re curious about Evaluating LLMs in Production , join us on Tuesday, July 2nd at 1pm PDT for a full walkthrough.

Our customers

Highlight powers forward-thinking companies. More about our customers →
PipePortalDriposKnockHightouchBasedashImpiraMageAirplane
Secoda
Max Musing

Highlight helps us catch bugs that would otherwise go undetected and makes it easy to replicate and debug them.

Max Musing
Max Musing, Founder & CEO
Lorilyn McCue

Before Highlight, I was flying blind, but now I can see exactly where users are succeeding, failing, and running into issues.

Lorilyn McCue
Lorilyn McCue, Head of Product
Kai Hess

Highlight weaves together the incredible, varied, and complex interactions of our users into something understandable and actionable.

Kai Hess
Kai Hess, Founding Product Designer
Meryl Dakin

I love Highlight because not only does it help me debug more quickly, but it gives me insight into how customers are actually using our product.

Meryl Dakin
Meryl Dakin, Founding Software Engineer
Neil Raina

Highlight has helped us win over several customers by making it possible for us to provide hands-on support, based on a detailed understanding of what each user was doing.

Neil Raina
Neil Raina, CTO
Max Musing

Highlight helps us catch bugs that would otherwise go undetected and makes it easy to replicate and debug them.

Max Musing
Max Musing, Founder & CEO
Lorilyn McCue

Before Highlight, I was flying blind, but now I can see exactly where users are succeeding, failing, and running into issues.

Lorilyn McCue
Lorilyn McCue, Head of Product
Kai Hess

Highlight weaves together the incredible, varied, and complex interactions of our users into something understandable and actionable.

Kai Hess
Kai Hess, Founding Product Designer
Meryl Dakin

I love Highlight because not only does it help me debug more quickly, but it gives me insight into how customers are actually using our product.

Meryl Dakin
Meryl Dakin, Founding Software Engineer
Neil Raina

Highlight has helped us win over several customers by making it possible for us to provide hands-on support, based on a detailed understanding of what each user was doing.

Neil Raina
Neil Raina, CTO
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