Founder · Blacksmith

Aditya Maru

Co-founder of Blacksmith, a developer infrastructure company based in San Francisco.

Co-founderSan FranciscoDeveloper Infrastructure
Founded
2024
San Francisco, United States
Raised to date
$58.5M
3 rounds on record
Latest round
Series B
$45M · 2026-08-12

About

Aditya Maru is Co-founder of Blacksmith, a developer infrastructure company based in San Francisco, founded in 2024. Blacksmith's most recent disclosed round was a funding round of $10M in 2025-09.

Compiled from StartupFox records · updates as coverage is published

Company

Est. 2024
Blacksmith
Developer Infrastructure · San Francisco · Active

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.

Funding
2026-08-12Series B$45MPeak XV Partners, Y Combinator, GV
2025-09Series A$10MGV, Y Combinator
2024Seed$3.5MY Combinator and others
Company profile →3 rounds on record

Journey with Blacksmith

3 milestones
  1. 2024Founded

    Founded by Aditya Jayaprakash, Aayush Shah and Aditya Maru, and joins Y Combinator's Winter 2024 batch.

  2. Mar 2026Milestone

    Series B round completed, five months before it was publicly announced.

  3. Aug 2026Milestone

    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.

Also building Blacksmith

AJAditya JayaprakashCo-founder · CEO→ASAayush ShahCo-founder→

Coverage

1 story
Funding · 14 Aug 2026 · 5 min read
Blacksmith Raises $45 Million Series B Led by Peak XV at a $550 Million Valuation