browser.api

• Type: number | { port?, strictPort?, host? }
• Default: 63315
• CLI: --browser.api=63315, --browser.api.port=1234, --browser.api.host=example.com

Configure options for Vite server that serves code in the browser. Does not affect test.api option. By default, Vitest assigns port 63315 to avoid conflicts with the development server, allowing you to run both in parallel.