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A Rust-powered CLI that simulates network disruptions.

 Build A Core Strength

Practicing reliability brings the best of your skills and creativity.

 Protect Your Team

Explore, automate, reflect and prioritize reliability improvements to reduce incident anxiety.

 Lock In Your Reliability Budget

Turn reliability from a "nice-to-have" into a can't-ignore line item.

User Service User Service fault ↓300 ms User Service fault ↑blackhole User Service fault ↑512 Kbps ↓150 ms
FAULT INJECTION MADE EASY

Reliability Driven Proxy

  • Run locally and get immediate insights
  • Inject network faults into your platform resources
  • Mix multiple faults to create realistic scenarios
  • Explore all your layers and discover how your database or dependencies may impact your services
  • Make it your own by extending fault with gRPC plugins
DESIGNED FOR DEVELOPERS & SRE

Reliability Engineering Automation

  • Full API coverage with scenario automated creation
  • Think unit tests and hook into your favourite CI pipeline
  • Get insights from comprehensive & rich reports
  • Plug-in SLO to learn how users may be impacted as early as possible
FASTRACK RELIABILITY CHANGES

AI Agent For Reliability Engineers

  • Get deeper analysis and enable the discussion with your team
  • Review your code and discover possible reliability-focused improvements

fault is proudly part of the toolset.

Explore the Chaos Toolkit, a Chaos Engineering tool for developers, and Reliably, a full-blown platform for resilience.