Pearl eSign

API Overview

Embed Digital Signing Directly Into Your Enterprise Systems

The Pearl eSign API Platform provides a robust, secure REST API that eliminates the disconnect between your ERP systems and document signing workflows. Once integrated, documents are automatically signed as part of your existing business processes — with zero manual intervention.

Pearl eSign provides both options: a complete end-to-end SAP implementation (where we handle the entire integration project), or an API-only solution for organizations with their own development teams.

REST API with comprehensive documentation
Synchronous and asynchronous signing modes
Webhook support for signing event notifications
Multi-tenant enterprise deployment
API key authentication with rate limiting
Sandbox environment for development & testing

Sample API Request

POST /api/v1/sign-document
        Authorization: Bearer YOUR_API_KEY
        Content-Type: application/json

        {
          "document_id": "INV-2026-00842",
          "signer_id": "FINANCE_DEPT",
          "signature_config": {
            "position": "bottom-right",
            "page": "last",
            "visible": true,
            "reason": "Authorized Signatory"
          },
          "dsc_token": "HARDWARE_TOKEN_ID",
          "callback_url": "https://your-erp.com/webhook"
        }

        // Response
        {
          "status": "signed",
          "document_id": "INV-2026-00842",
          "signed_url": "https://storage.../signed.pdf",
          "timestamp": "2026-03-30T10:42:00Z",
          "certificate": "CERT_SERIAL_XYZ"
}

System Integrations

Seamless Integration with Leading Enterprise Platforms

Pearl eSign API connects with all major ERP, CRM, and enterprise platforms used by Indian organizations.

SAP Integration

Complete integration with SAP ECC, SAP S/4HANA, and SAP Business One. Pearl eSign provides both full SAP implementation services and API-only integration for your development team.

SAP ECC 6.0+ Support
SAP S/4HANA Integration
SAP Business One Connector
End-to-End SAP Implementation

Oracle ERP Integration

Integrate digital signing into Oracle E-Business Suite and Oracle Fusion Cloud for automated invoice signing, PO approvals, and contract management.

Oracle E-Business Suite
Oracle Fusion Cloud
Automated Invoice Signing
PO & Contract Approval

Tally Integration

Sign GST invoices, vouchers, and financial documents directly from Tally ERP 9 and TallyPrime without leaving the accounting software.

Tally ERP 9 Compatible
TallyPrime Integration
GST Invoice Signing
One-Click Signing

Microsoft 365 Integration

Sign Word documents, Excel sheets, and PDFs directly from Microsoft 365 apps. Integrate with SharePoint and Power Automate for workflow automation.

Word & Excel Signing
SharePoint Integration
Power Automate Connector
Teams Notification

NextERP & Custom ERP

REST API integration with NextERP and any custom-built ERP, HRMS, CRM, or web portal. Developer-friendly API with comprehensive documentation.

NextERP Native Connector
Custom ERP REST API
HRMS Integration
CRM Integration

Web Portal Integration

Embed signing capability into any web application, customer portal, or internal approval system using our JavaScript SDK or server-side API.

JavaScript SDK
Server-Side API (PHP, .NET, Java)
Webhook Integration
Iframe Embedding

Technical Capabilities

Enterprise-Grade API Infrastructure

Secure Authentication

API key authentication with OAuth 2.0 support, IP whitelisting, and request signing for maximum security.

Sync & Async Modes

Choose between synchronous signing (immediate response) or asynchronous bulk processing with webhook callbacks.

Scalable Architecture

Auto-scaling infrastructure handles from 10 to 100,000+ signing requests per day without performance degradation.

Full Documentation

Comprehensive API documentation with code samples in PHP, Python, Java, .NET, and Node.js for rapid integration.

Digital Signature API for ERP & Enterprise Systems