CounterFact CounterFact Lab

Integration

CounterFact is available through a web interface, a REST API, and command-line tools.

Web Interface

Upload logs and candidates, run evaluations, and review results interactively. The fastest way to get started.

Open Playground

REST API

JSON-based API for programmatic evaluation. Supports single-policy, multi-policy leaderboard, and pairwise comparisons. Suitable for CI/CD pipelines and automated workflows.

Request API docs

Command Line

Run evaluations from the terminal for scripting, batch processing, and server deployments.

Request CLI guide

For integration guides, API keys, or help connecting CounterFact to your stack, contact us.