canusign
Upload PDFAPIPricingSign in

Documentation

How to work with canusign

Guides for the whole way: from the uploaded PDF through the signatures to a document every recipient can check for themselves. Plus a quick start for the API.

Quick start

  1. 1Upload your PDF.
  2. 2Decide who signs and place the fields.
  3. 3Finalize the document and send the links.
Upload PDF

Guides

  • OverviewWhat canusign does, what it costs and which signature you get.
  • Upload a PDFUpload one or more PDFs, set the title, check the suggested fields.
  • People and fieldsDecide who signs and place signature, initials, date and your own entries.
  • Send linksPersonal links by e-mail and the shared link for everyone, also combined.
  • Status pageSee who has signed, send links and read the log.
  • SigningHow signers sign, including with a saved signature.
  • Download the PDFThe signed PDF with audit certificate, and what it contains.
  • Verify a documentCheck a signed PDF without an account, by ID or by file.
  • API quick startFrom API key to signed PDF in five steps.
  • API referenceEvery endpoint, webhooks and the MCP server.

Did not find your answer?

Write to us at contact@canusign.com

canusign

Sign without a subscription. Every document with a timestamp and a verification page.

Servers in Frankfurt · Simple electronic signature under eIDAS, valid where the law does not require a handwritten signature or notarisation.

Sign

  • Sign a document online
  • Sign a PDF
  • Sign without an account
  • Remote signing
  • Sign documents digitally
  • Simple electronic signature

Contracts

  • Sign a rental agreement
  • Sign a sublease agreement
  • Sign an NDA
  • Sign a purchase agreement
  • Sign an employment contract
  • Sign a service agreement

Alternative to

  • SignNow
  • Signeasy
  • Signaturit

Resources

  • Pricing
  • Blog
  • Docs
  • API
  • Verify a document
  • What's new
Legal NoticePrivacy PolicyTerms of ServiceFeedback
© 2026 canusign