Embedded Signing
Developer Ready

Embedded Signing.

Embed signing experiences directly into your application. Zignature's iframe and API integration lets you add white-label signing to any app — your users never leave your platform.

iframe Embed — drop-in signing widget that works in any web app
Full API Control — REST API for custom signing workflows and logic
White-Label — zero Zignature branding visible to your users
Get Started - FREE View Pricing
No credit card required
Free plan available
Setup in under 5 minutes
Zignature
Embed Preview
Widget Loaded
Connected
https://yourapp.com/contracts/sign
YA
Your App Contract Signing Portal
<iframe src="zignature.io/s/...">
Zignature
Sign Document
Secure
Sales Agreement - Acme Corp
3 pages • Due today
Signature Required
Your Signature
Sign & Complete
Embed Code
HTML
<iframe
src="https://app.zignature.io/s/abc123"
width="100%"
height="600"
frameborder="0"
></iframe>
Zignature › Embed Configuration
Active
Embed Settings
Production
Widget URL
https://app.zignature.io/s/abc123
Width
100%
Height
600px
Redirect URL
https://yourapp.com/success
Live Preview
Loaded
yourapp.com/sign
Sign
Embed Code
<iframe
src="https://app.zignature.io/s/abc123"
width="100%" height="600"
></iframe>
iframe Integration

Drop-In Signing Widget

Add signing to your app with a single iframe embed. Your users sign documents without leaving your platform — fully white-labeled with zero Zignature branding visible.

3 lines of code embed signing with a simple iframe or JavaScript SDK
Event callbacks listen for signing events to trigger your app logic
Custom redirect redirect users back to your app after signing
Zignature › API Console
200 OK
Request
POST
https://api.zignature.io/v1/submissions
Headers
Authorization: Bearer sk_live_abc123...
Content-Type: application/json
Request Body
JSON
{
"template_id": "tmpl_9x8k2m",
"submitters": [{
"email": "jane@acme.com",
"role": "Signer"
}]
}
Response
200 OK 42ms
{
"id": "sub_7m3k9x",
"status": "pending",
"signing_url": "https://app.zignature.io/s/..."
}
REST API

Full API Control

Create templates, send documents, and manage signers entirely through the API. Build custom signing workflows, automate document generation, and integrate with any system.

RESTful design intuitive endpoints with comprehensive documentation
Bulk send API send thousands of documents programmatically
Template management create, update, and manage templates via API
Zignature › White-Label Settings
Saved
Company Logo
ACME
acme-logo.png
240 × 60px • 12 KB
Replace • Remove
Brand Colors
Primary Color
#4F46E5
Button Color
#059669
Background
#FFFFFF
Custom Domain
Signing Domain
sign.acmecorp.com
SSL Certificate Active
Verified
Email From Address
signing@acmecorp.com
Webhooks

Real-Time Event Webhooks

Get notified instantly when documents are viewed, started, completed, or declined. Webhooks deliver events to your server in under 1 second with guaranteed delivery.

Instant delivery events delivered in under 1 second
Guaranteed delivery automatic retries with exponential backoff
Event filtering subscribe to only the events you care about
Built for Developers
PREVIEW

The Platform That
Developers Love

From SaaS platforms to enterprise apps, Zignature powers embedded signing with developer-friendly APIs.

<50ms
API Latency
99.99%
Uptime
Zero
Branding

Drop-In Signing Widget

Add signing to your app with a single iframe embed. Your users sign documents without leaving your platform — fully white-labeled with zero Zignature ...

Full API Control

Create templates, send documents, and manage signers entirely through the API. Build custom signing workflows, automate document generation, and integ...

Real-Time Event Webhooks

Get notified instantly when documents are viewed, started, completed, or declined. Webhooks deliver events to your server in under 1 second with guara...

Compass
Zillow
Redfin
DoorDash
+10k
Trusted by 10,000+ businesses
SOC 2, API & webhook compliant
Developer Hub
2.4M
API Calls/Mo
<50ms
Avg Latency
iframe drop-in widget
RESTful API with webhooks
White-label signing experience
Join 10,000+ businesses worldwide

Ready to Embed Signing
in Your App?

iframe integration, REST API, webhooks — everything you need to add signing to your platform. Start building.

Get Started - FREE View Pricing
No credit card required
Free plan available
Cancel anytime