Features

Everything you need to sign with confidence.

From identity verification to blockchain-anchored proof and a full developer API — SignBuddy covers the entire contract lifecycle.

Multiple verification levels

Match the level of assurance to the importance of the document — from quick email signing to full Swedish BankID identity.

  • Standard email verification (free, fastest)
  • Email OTP for enhanced security
  • Swedish BankID for the highest legal assurance
Standard emailFree
Email OTPEnhanced
Swedish BankIDHighest
SHA-256
  a1ce47f9…8f92b30d

REKOR  log index 9182734
OTS    anchored to Bitcoin

█ PROOF VERIFIED

Blockchain-anchored proof

Every signed document is fingerprinted and anchored to public, immutable records, so its authenticity can be verified independently — forever.

  • Sigstore Rekor transparency log (instant)
  • OpenTimestamps anchoring to the Bitcoin blockchain
  • Tamper-evident — any change breaks the proof
More on security

Smart signing workflow

Send to one person or many, in any order, and let SignBuddy chase signatures and track status for you.

  • Multiple signers with required & optional roles
  • Custom signing order or all-at-once
  • Automatic email reminders & templates
  • Real-time status tracking
1
Signed
2
Pending
3
Waiting
eIDAS compliant
Signer identity recorded
IP, device & timestamps
Optional GPS at signing
Immutable audit trail

Legal compliance built in

Signatures that hold up. Every contract carries a complete, timestamped record of who signed and how.

  • eIDAS-aligned electronic signatures
  • Complete audit trail with timestamps
  • Optional GPS location capture
  • Legally binding across the EU

Organization management

Built for teams. Give departments their own access and limits while keeping billing and oversight central.

  • Team workspaces
  • Department accounts with usage limits
  • Centralized billing
  • Usage analytics
HQOrganization owner
Legal dept50 / mo
Sales dept200 / mo
HR dept25 / mo
# Send a contract
POST /contracts/create
  Authorization: X-API-Key
  title: "Service Agreement"

201 Created → webhook fires

Developer API

Automate signing inside your own systems with a clean REST API and reliable webhooks.

  • RESTful API access
  • Signed webhooks with replay protection
  • Scoped API key management
  • Comprehensive documentation

See it in action.

Start free with 5 contracts a month — no credit card required.

Start Free See How It Works