API ReferenceComing soon

Build with the SignDeal API

A REST API to embed legally-binding e-signatures directly in your product. Simple, reliable and designed for developers.

Core endpoints

REST · JSON · TLS 1.3

https://api.signdeal.ai
POST/v1/documentsCreate and send a document for signing
GET/v1/documents/:idRetrieve document status
POST/v1/documents/:id/remindSend reminder to pending signers
DELETE/v1/documents/:idCancel or delete a document
POST/v1/templatesCreate reusable templates
POST/v1/webhooksRegister a webhook endpoint

What you get

Everything you need to ship e-signatures fast.

Sign with a link

Send documents via API and receive a ready-to-use signing URL.

Real-time webhooks

Get instant notifications when a document is signed, declined or expires.

Multi-tenant

Create and manage your customers' organisations from a single API account.

Secure auth

API keys with scopes, rotation and detailed usage logs.

Official SDKs

Libraries for Node.js, Python and PHP. More languages coming soon.

Free sandbox

Test the API at no cost in the staging environment before going live.

Want early API access?

We're onboarding a select group of developers before the public launch. Get in touch and we'll set you up.

Get early access