Fundz

Code testing startup Blacksmith raises $66M in Series C funding and achieves unicorn status.

PRIVATEOct 22, 2026

Amount Raised

$66 Million

Round Type

Series C

San FranciscoSoftware

Description

Blacksmith, a code testing startup, has secured $66 million in Series C funding, achieving unicorn status with a valuation exceeding $1 billion. The funding round demonstrates strong investor confidence in the company's technology and market position. Blacksmith provides innovative solutions for code testing and quality assurance. The capital will support the company's continued growth and expansion.

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Company Information

Company

Blacksmith

Location

San Francisco, California, United States

About

Blacksmith makes CI faster, more cost-effective, and more reliable by avoiding hyperscaler-based solutions and running GitHub Actions on high-performance hardware with gaming-grade CPUs — tuned for maximum throughput and enhanced with growing observability capabilities. This approach eliminates build bottlenecks, lowers infrastructure costs, and gives teams a clear view into pipeline health. In the AI era, where rapid iteration is critical, Blacksmith keeps development cycles moving — enabling faster validation, safer deployments, and more competitive release schedules. Founded in 2024 by engineers from Faire and Cockroach Labs, Blacksmith is backed by Google Ventures, Y Combinator, and leading dev infrastructure angels.

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Blacksmith raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

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