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Corsair

YC W25

New York City, US · Founded 2024 · 2 employees · 1 known investors

Corsair is an open-source SDK and integration platform that enables applications to connect to third-party services without maintaining underlying infrastructure, with permission-based approval workflows and self-hosted deployment options.

Also known as Demeter

Founders & leadership· Y Combinator alumni (W25)

Corsair was founded in 2024 by Dev Jain.

DJDev Jain
Dev JaininFounder · CEODev Jain studied mechanical engineering and economics at UT Austin, and previously worked as a software engineer at Curri before co-founding Corsair, a TypeScript integration framework.

Investors · 1

Competitors · 5

by search overlap
Ngrok6 shared keywordsngrok provides developer infrastructure that routes and secures network traffic to applications, APIs, and AI models. It offers products including an AI gateway for routing between hosted or self-hosted models and a cloud networking platform for securing and routing traffic across services.
Anthropic6 shared keywordsAnthropic is an AI safety research company that builds reliable, interpretable, and steerable AI systems. The company conducts frontier AI research, applies safety techniques, and deploys systems through products and partnerships.
Martian AI / 20236 shared keywordsMartian is an AI research lab focused on understanding machine intelligence, working on model interpretability, feature geometry, and the mathematics of what large language models learn. It commercializes its interpretability research through products that scale with LLM usage.
StackOne5 shared keywordsStackOne provides infrastructure for AI agents to integrate with and act across business applications through optimized connectivity, execution, and security features. The platform serves companies and developers building AI agents into products or using off-the-shelf agents like Claude Code.
Vercel5 shared keywordsVercel is an infrastructure platform for building and deploying applications, with emerging support for agentic capabilities that allow AI agents and humans to collaborate in software development. The platform serves developers and agents building web applications and software.

Companies competing with Corsair for the same Google search keywords, organic and paid, via search-intersection analysis.

In the news

Frequently asked questions

What does Corsair do?
Corsair is an open-source SDK and integration platform that enables applications to connect to third-party services without maintaining underlying infrastructure, with permission-based approval workflows and self-hosted deployment options.
Who founded Corsair?
Corsair was founded by Dev Jain in 2024.
Who are Corsair's investors?
Corsair's investors include Y Combinator.
Where is Corsair headquartered?
Corsair is headquartered in New York City, US.