Lacuna Demo Site

Sign a PDF with your cloud certificate

Sign a PDF with the cloud certificate your PSC keeps for you: CloudHub, on the server, reaches your PSC, which signs only the PDF's hash, and PKI SDK, on the server, builds the signature.

Docs ↗Samples:.NET ↗Java ↗Node.js ↗PHP ↗
Markdown for AI agents ↗ Download .md

Copies a prompt for your AI coding agent: “Sign a PDF with your cloud certificate”, with its docs, samples in every language, call sequence and patterns to copy.

What will you sign?

Sample:

Lacuna-Sample.pdf will be signed as PAdES

Find your PSC

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