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Common Paper

commonpaper.com · Philadelphia · founded 2021 · team Not reported publicly · Y Combinator W24 batch, post-seed · trust 0/4

Contracts should be APIs

This dossier was built by Clark from a public scan on 2026-07-04 and is unclaimed. Is this your startup? Claim it.

Verified facts

Company Name	Common Paper source: https://commonpaper.com / https://blog.ycombinator.com/open-source-startups-funded-by-y-combinator-yc-2/
Tagline / Value Proposition	Contracts should be APIs source: https://commonpaper.com
City	Philadelphia source: https://crew.com/jake-stein-lessons-from-a-repeat-founder-crew-capital/
Founded Year	2021 source: https://blog.ycombinator.com/open-source-startups-funded-by-y-combinator-yc-2/
Team Size	Not reported publicly source: No public source reports team size
Startup Stage	Y Combinator W24 batch, post-seed source: https://blog.ycombinator.com/open-source-startups-funded-by-y-combinator-yc-2/
Founders	Jake Stein source: https://crew.com/jake-stein-lessons-from-a-repeat-founder-crew-capital/
Legal Entity Type	Not publicly verifiable from open sources source: No state incorporation records found in public databases
Contact Email	hello@commonpaper.com source: https://commonpaper.com