Integrate signatures in minutes. Real REST, real webhooks, real documentation.
POST /api/v1/signature
Content-Type: application/json
Authorization: Bearer YOUR_API_KEY
{
"document_url": "https://example.com/contract.pdf",
"recipient_email": "client@example.com",
"recipient_name": "Jane Doe",
"expires_in": 604800
}{
"id": "SGN-9042",
"status": "Awaiting Signature",
"signature_url": "https://sign.splashsign.com/s/SGN-9042",
"created_at": "2025-10-20T12:00:00Z",
"expires_at": "2025-10-27T12:00:00Z"
}Everything you need to integrate e-signatures into your app.
Get notified instantly when documents are signed, viewed, or expired.
Send hundreds of documents at once with CSV upload and field mapping.
Create reusable templates with dynamic fields and auto-fill logic.
Complete paper trail with IP addresses, timestamps, and device info.