REST API v1
Create scoped drafts, attach evidence, request review and read lifecycle status from your own system.
Integrations
Automate preparation, not consent
Connect SignThatUp to the tools that prepare work, while keeping every approval with the actual people involved.
MCP tools
Give approved agents a narrow preparation toolset without exposing workspace secrets or signature authority.
Signed webhooks
Receive retryable HMAC-signed lifecycle events and reconcile delivery from the authenticated workspace.
Pro access
Production API and webhook access belongs to Pro and uses the same customer-sealed record allowance as manual work.