Signature.io is an API Platform for signing documents. Use Signature.io to integrate e-signing into your web or mobile application in minutes instead of months.

Get Started

Signature.io is simple to use. Create a signable document with just one API call.

curl http://signature-api.herokuapp.com/api/v0/documents/create.json?url=http://mot.la/assets/resume.pdf

Signature.io responds with a share_url. Visit that url and sign your document.

That's it!

Help & Support

If you need help, please get in touch with me at mot@mot.la.

Libraries

It is nice to have helper libraries in the language of your choice. We've built the following for you.

• signatureio-ruby
• signatureio-node

Architecture

Signature.io is completely open sourced. It takes a service oriented approach to it's architecture. Much of it is actually a "webhook driven architecture".

• signature-api
  • signaturelogic
• signature-share
• signature-catcher
• signature-js
  • signature-chrome
    • signature-pad
      • signature-mark
  • signature-document
  • signature-signing
  • jafja
• carve-api
• carve-worker
  • carve

Supporting External Services

• Amazon S3
• Heroku buildpack: MuPDF
• Iron.io
• Orchestrate.io