AI Testing Platform | API, Unit & Integration Testing - Tusk

# Tusk (usetusk.ai) > AI-enabled testing platform that turns production traffic into API regression tests and automatically backfills unit test coverage. Catch regressions invisible to coding agents and humans alike. ## Website - [https://www.usetusk.ai/](https://www.usetusk.ai/): Main site and access point. ## About Us Tusk is an all-in-one testing platform with three core products: **Tusk Drift** for API regression testing from live traffic, **CoverBot** for automated unit test backfill, and **Tusk Tester** for generating context-aware unit tests for PRs. Tusk helps engineering teams ship faster by catching regressions before they reach production, increasing code coverage without burdening developers, and closing the gap between what gets tested and what actually happens in production. Tusk is SOC 2 Type II compliant and backed by Y Combinator (W24). ## Products ### Tusk Drift — API Regression Testing from Live Traffic - [https://www.usetusk.ai/tusk-drift](https://www.usetusk.ai/tusk-drift) - Records real HTTP traffic, database queries, and cache calls from production or staging environments via a lightweight SDK (Node.js and Python). - Replays recorded traces against PR changes in CI to detect unintended API response deviations (regressions). - Covers thousands of realistic edge cases with minimal engineering overhead. Go from zero to a full API test suite within minutes. - Replay testing is primarily **deterministic** — traces are recorded and replayed without requiring a live database or cache. AI is used only to automatically classify deviations as intended changes or unintended regressions. - Built-in PII redaction and domain/endpoint filtering. SDK and CLI are open source. - Supports running tests locally via Tusk CLI or in CI pipelines as a quality gate to block PRs that break production behavior. - Setup requires running two commands. Install CLI in service root via `curl -fsSL https://cli.usetusk.ai/install.sh | sh` and run `tusk drift setup`.