Developer InfrastructureSan Francisco, United States
Blacksmith operates a cloud built specifically for continuous integration, running GitHub Actions workloads on dedicated compute with caching and storage optimised for CI. It also develops codesmith, a cloud coding agent that diagnoses and fixes failed code checks inside the validation loop. Customers include Supabase, Clerk, Ashby and Mercury.
1StartupFox story
2024Founded
Developer InfrastructureSector
Aug 2026Latest coverage
Funding
Blacksmith has raised $59M across 3 disclosed rounds.
$59MRaised
$45MLatest round
$550MValuation
3Events
RoundAug 2026confirmed
$45M
InvestorsPeak XV Partners, Y Combinator, GV
Valuation$550M
Tap any bar to see that round
Aug 2026Round$45MPeak XV Partners, Y Combinator, GV $550Mprnewswire.com ↗
Founded by Aditya Jayaprakash, Aayush Shah and Aditya Maru, and joins Y Combinator's Winter 2024 batch. ↗
Sep 2025 · funding
Round — $10M at $60M, led by GV.
Mar 2026 · milestone
Series B round completed, five months before it was publicly announced. ↗
Aug 2026 · funding
Round — $45M at $550M, led by Peak XV Partners.
Aug 2026 · milestone
Says more than 6,000 companies use the platform, up from around 800 at its Series A, with CI jobs growing 5% to 10% week on week since the start of 2026. ↗
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Blacksmith operates a cloud built specifically for continuous integration, running GitHub Actions workloads on dedicated compute with caching and storage optimised for CI. It also develops codesmith, a cloud coding agent that diagnoses and fixes failed code checks inside the validation loop. Customers include Supabase, Clerk, Ashby and Mercury.
Who founded Blacksmith?
Blacksmith is associated with Aditya Jayaprakash, Aayush Shah, Aditya Maru.
How much funding has Blacksmith raised?
Blacksmith has raised $59M across 3 disclosed rounds. The most recent was a $45M round in Aug 2026.
Who are Blacksmith's investors?
Disclosed investors in Blacksmith include Peak XV Partners, Y Combinator, GV, Y Combinator and others.
What is Blacksmith's valuation?
Blacksmith was last reported at $550M, at the time of its round in Aug 2026.
What is the latest news on Blacksmith?
The most recent StartupFox coverage is “Blacksmith Raises $45 Million Series B Led by Peak XV at a $550 Million Valuation” (14 August 2026). All stories are listed on this page.
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