SMS OTP signing live

Sign contracts
in minutes

Create, manage, and digitally sign contracts with legally binding signatures. Full audit trails, SMS OTP verification, with optional MitID support for enabled workspaces.

Free to start
No credit card required
Cancel anytime
< 5 min
Average time to sign
256-bit
Encryption
100%
Legally binding
Full
Audit trail

Everything you need to manage contracts

From drafting to signing — the entire contract lifecycle. Click any feature to learn more.

Three steps to a signed contract

From draft to legally binding signature in minutes.

1

Create your contract

Start from scratch, use a template, or import a PDF. Add variables and signer fields with the rich editor.

2

Add signers & send

Add signers with SMS OTP today. MitID can be enabled for workspaces that need Danish eID assurance.

3

Sign & seal

Signers get a secure link, review, fill fields, and authenticate. Signed PDF generated automatically.

Built for trust and compliance

Every signature includes a comprehensive audit trail — timestamps, IP addresses, user agents, and authentication evidence.

Optional MitID / eID support for enabled workspaces
Full audit log with IP, timestamp, and user agent
Multi-tenant architecture with organization isolation
Signed PDF certificates with tamper-evident evidence
API key authentication for secure CLI access
Role-based access control per organization
Audit Trail — NDA Acme Corp
Contract created
Rasmus Jensen · 10:23 AM
Signing request sent
Rasmus Jensen · 10:25 AM
Document opened
Anna Schmidt · 11:02 AM
Identity verified
Anna Schmidt · 11:08 AM
Signed via SMS OTP
Thomas Nielsen · 2:34 PM
All signed — PDF sealed
System · 2:34 PM

Simple pricing

Start free. Upgrade when you need more.

Starter
Free

For individuals

Get started
5 contracts / month
SMS OTP signing
Basic templates
PDF generation
Email notifications
ProfessionalPopular
299kr/mo

For growing teams

Start free trial
Unlimited contracts
SMS OTP + optional MitID add-on
Unlimited templates
Folders & tags
Up to 10 members
MCP server
AI PDF import
Priority support
Platform
999kr/mo

For developers & integrations

Start free trial
Everything in Pro
REST API & SDKs
Multiple organizations
Webhooks
Up to 25 members
CLI access
Custom PDF templates
Enterprise
Custom

For organizations

Contact sales
Everything in Platform
Unlimited members
Custom integrations
SSO / SAML
Dedicated manager
SLA guarantee
Custom branding
On-premise option

Frequently asked questions

Everything you need to know about ContractSign.

What is ContractSign?

ContractSign is a digital contract signing platform that lets you create, manage, and sign contracts online with SMS OTP verification, detailed audit trails, and optional MitID support for enabled workspaces.

Is ContractSign legally binding in Denmark?

ContractSign records comprehensive audit trails with timestamps, IP addresses, user agents, and authentication evidence. Workspaces that require Danish eID assurance can enable MitID separately.

What signing methods does ContractSign support?

ContractSign supports SMS OTP verification using a 6-digit code sent to the signer's phone, and can enable MitID for workspaces that need Danish eID assurance.

How much does ContractSign cost?

ContractSign offers a free Starter plan with 5 contracts per month, a Professional plan at 299 kr/month with unlimited contracts and SMS OTP + optional MitID add-on, and custom Enterprise pricing for organizations with advanced needs.

Does ContractSign have an API?

Yes. ContractSign provides a full REST API with Bearer token authentication and a command-line interface (CLI) for managing contracts, templates, folders, and signing requests programmatically.

Can I import existing PDF contracts?

Yes. ContractSign uses AI-powered PDF import to convert existing PDF contracts into editable templates. The system automatically detects fields and variables, which you can review and adjust in the editor.

Ready to streamline your contracts?

Set up in under 2 minutes. No credit card required.