Penpact

Open-source e-signature API for developers with AI field detection

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Penpact is an open-source e-signature API that lets developers embed legally-binding electronic signatures into their own app, self-hosted or cloud, with a typed TypeScript SDK and AI-assisted detection of where signature fields belong on a document. It's an open alternative to DocuSign, DocuSeal and Documenso for developers who don't want to place signature fields by hand.

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