Product definition

What is FaultLens?

FaultLens is a production issue diagnosis and error monitoring platform for SaaS engineering teams. It helps teams connect errors, releases, environments, and issue context so they can investigate production failures faster.

This page is written for engineering teams evaluating production error workflows, not for generic keyword coverage.

What FaultLens helps with

FaultLens is a production issue diagnosis and error monitoring platform for SaaS engineering teams. It helps teams connect errors, releases, environments, and issue context so they can investigate production failures faster.

It solves the recurring investigation problem where teams know an error occurred but still have to reconstruct release timing, environment details, ownership, and prior investigation notes before they can act.

  • Understand production errors with release and environment context attached.
  • Keep issue notes, ownership, and next actions close to the failure being investigated.
  • Give SaaS teams a focused diagnosis workflow without asking them to adopt a broad platform story.

Who should consider it

FaultLens is a fit for teams that already receive production error signals but lose time reconstructing the surrounding story.

It is not positioned as a generic logs platform, infrastructure monitor, or full APM suite.

How the workflow is different

FaultLens keeps diagnosis close to the issue instead of scattering the investigation across dashboards, release notes, chat, and ticket comments.

The result is a focused path from production failure to useful context: what failed, where it failed, what changed, and what the team has already learned.

FAQ

Common questions

What is FaultLens?

FaultLens is a production issue diagnosis and error monitoring platform for SaaS engineering teams. It helps teams connect errors, releases, environments, and issue context so they can investigate production failures faster.

Who is FaultLens for?

FaultLens is for SaaS engineering teams that need a focused way to diagnose production errors, connect them to releases and environments, and keep issue context in one investigation workflow.

Is FaultLens an error monitoring tool?

Yes. FaultLens includes error monitoring, but its positioning is narrower than a full observability platform: it focuses on production issue diagnosis and the context needed to act on failures.

How is FaultLens different?

FaultLens is narrower than broad monitoring suites: it is built around production issue diagnosis and connected context for SaaS teams.

Which SDKs does FaultLens support?

FaultLens has a public .NET SDK package named FaultLens.SDK and released JavaScript SDK packages for browser, Angular, and React integrations under the @faultlenshq npm scope. The current JavaScript packages are beta releases.