Browserbase, which develops headless browsers for AI agents and apps, raised a $40M Series B led by Notable Capital at a $300M valuation, up ~4x since September (Alex Konrad/Upstarts Media)

Alex Konrad / Upstarts Media: Browserbase, which develops headless browsers for AI agents and apps, raised a $40M Series B led by Notable Capital at a $300M valuation, up ~4x since September  —  The 16-month-old infrastructure startup behind ‘headless browsers’ is now valued at $300 million and claims more than 1,000 customers.

Jun 21, 2025 - 16:10
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Browserbase, which develops headless browsers for AI agents and apps, raised a $40M Series B led by Notable Capital at a $300M valuation, up ~4x since September (Alex Konrad/Upstarts Media)

Alex Konrad / Upstarts Media:
Browserbase, which develops headless browsers for AI agents and apps, raised a $40M Series B led by Notable Capital at a $300M valuation, up ~4x since September  —  The 16-month-old infrastructure startup behind ‘headless browsers’ is now valued at $300 million and claims more than 1,000 customers.