Digital Signatures API
Legally Binding Document Signing
Secure document signing with digital certificates, identity verification, and complete audit trails. Create documents, send for signature, and download legally binding PDFs with tamper-proof seals.
How It Works
- 1Upload PDF document via API or portal
- 2Add signature fields and assign to signing parties
- 3Configure signing order (sequential or parallel)
- 4Enable identity verification for high-security documents
- 5Send document—signers receive email with signing link
- 6Each signer completes their signature (ID verified if required)
- 7After all signatures, Cleared applies digital certificate
- 8Download final PDF with tamper-proof seal and audit trail
Best For
Legal contracts
NDAs and confidentiality agreements
Employment contracts
Vendor agreements
Real estate documents
Financial agreements
Technical Implementation
Create and Send Document
JavaScript
// 1. Create document
POST /api/v1/merchant/signatures/documents
{ "title": "Employment Contract" }
// 2. Upload PDF
POST /api/v1/merchant/signatures/documents/upload
FormData: { file: contract.pdf, documentId: "doc_123" }
// 3. Send for signature
POST /api/v1/merchant/signatures/documents/doc_123/send
{
"signingParties": [
{
"name": "John Smith",
"email": "john@example.com",
"requireIdVerification": true
}
],
"configuration": {
"useDigitalSignature": true,
"enforceSigningOrder": true
}
}
// 4. Track status
GET /api/v1/merchant/signatures/documents/doc_123/status
{
"status": "completed",
"progress": { "completed": 2, "total": 2 }
}