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New unicorn Slash raises $100m Series C, debuts Twin AI agent

Reported by Fintechfutures
Apr 17, 2026· 2 min read
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Key Takeaways
  • • Slash Financial achieves $1.4 billion unicorn valuation on $100 million Series C round led by Ribbit Capital, marking the fintech's third major funding milestone since 2021 with total capital raised exceeding $160 million.
  • • The company surpassed $250 million in annualised revenue in 2025, representing 2,400% growth over two years, with its Global USD Account stablecoin product exceeding $1 billion in annualised payment volume within nine months of launch.
  • • Series C proceeds will fund Twin, a new AI agent tool positioned as an "AI chief of staff," representing Slash's strategic pivot toward agentic AI capabilities for business banking operations.
  • • Returning investors Goodwater Capital, NEA, and Y Combinator were joined by new backer Khosla Ventures, alongside existing angel investors including Tinder co-founder Justin Mateen and Plaid co-founder William Hockey.
  • • Slash serves approximately 5,000 businesses with a product suite spanning business accounts, corporate cards, payment solutions, expense management, and treasury tools.
Summary
Slash Financial, a San Francisco-based business banking platform, has officially entered unicorn territory with a $1.4 billion valuation following a $100 million Series C funding round. The financing was led by existing investor Ribbit Capital and marks a significant acceleration from the company's Series B round of $41 million, which closed just 11 months prior at a $370 million valuation—representing a nearly 4x increase in valuation within one year.

Since its founding in 2021, Slash has accumulated over $160 million in total capital across seed, Series A, Series B, and the latest Series C round. The company, founded by CEO Victor Cardenas and CTO Kevin Bai, operates a business banking and payment platform that currently serves approximately 5,000 businesses. Its product offerings include business accounts, corporate cards, payment and expense management solutions, and treasury management tools across multiple industries.

The timing of the Series C reflects strong operational momentum. Slash reported surpassing $250 million in annualised revenue in 2025, a 2,400% increase over two years. A particularly notable achievement is the performance of its Global USD Account—a US dollar stablecoin product issued in partnership with Stripe's Bridge—which exceeded $1 billion in annualised payment volume within nine months of market launch.

The capital will be directed toward Slash's "most significant product investment to date," specifically the development and launch of Twin, an agentic AI tool that the company claims will function as an "AI chief of staff" for business operations. This strategic move signals Slash's commitment to integrating generative AI capabilities into core business banking workflows, capitalizing on institutional investor appetite for AI-driven financial solutions.

The Series C syndicate includes returning investors Goodwater Capital, New Enterprise Associates (NEA), and Y Combinator, alongside new investor Khosla Ventures. Slash's broader investor network also encompasses Menlo Ventures, Connect Ventures, Soma Capital, and notable individual angels including Tinder co-founder and former CMO Justin Mateen and Plaid co-founder William Hockey.

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Sources

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Fintechfutures New unicorn Slash raises $100m Series C, debuts Twin AI agent