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YC S25

Lark

The E2E testing layer for AI-driven development

About

Lark lets teams write end-to-end tests in plain English. Validate dashboards, APIs, SDKs, and full product flows without maintaining fragile test code. Run continuously on feature branches, in CI, or in production.

Founders

Family Office Investors

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Industry & Focus

B2BEngineering, Product and DesignDeveloper ToolsDevOpsAutomationAI