blurry blobs

Power your workflows with Sign.com APIs

Add secure eSignatures to your workflow with a simple REST API. From first call to production—without the complexity.

eIDAS compliant

End-to-end encryption

Group of people working together

Over 36’934’239 documents signed with us in 2025

The simplest way to bring eSignatures into your product

Our APIs make it easy to automate agreements, collect legally binding signatures, and keep documents moving—all with the reliability of Sign.com. Whether you’re building internal tools or customer-facing workflows, we make integration effortless.

Document with two signatures

Everything you need to get started fast

Signature Request UI

Send documents for signing

Create and send signature requests directly from your system—no manual uploads needed.

Signature Drawing UI

Embed signing experiences

Let users sign documents right inside your product with a seamless signing flow.

Activity Timeline UI

Track and manage status

Monitor every document from send to sign, with real-time status updates via webhooks.

Document List with different status indicators

Automate signer reminders

Set up custom reminders through the API to notify signers when documents are pending.

Start free. Scale when you’re ready.

Test and prototype for free in our sandbox. Move to production with simple, transparent pricing—only pay for what you send.

illustration representing software code

Reliable. Secure. Ready to scale.

    Legally recognized
    Legally recognized

    Don’t worry, your signatures are legally valid according to eIDAS standards.

    Document security
    Document security

    Signed contracts are eSealed for tamper-proof trust you can rely on.

    Privacy protected
    Privacy protected

    We’re GDPR compliant, so you know your personal information is protected.

    Certified trust
    Certified trust

    With ISO 27001 certification, you can rely on top-notch information security.

Friendly, available support.

Just email: support@sign.com. It’s as easy as that. No need to open a ticket, or pay extra to talk to someone.

Person making a phone call for and taking notes

Frequently asked questions

If you’re unable to find the answers to your questions, please don’t hesitate to Contact us.

Digital signing made easy

© 2025 Smallpdf AG. All rights reserved.
If this sentence is translated, the page was altered by a translation tool.