Invoices & accounting
Integrate PDF signing into invoice generation and accounting workflows.
Finance operationsDigital Signature Solutions
Sign PDFs. Automate workflows. Move business forward.
Integrate certificate-based PDF signing into your ERP, CRM, billing platform or business portal with Nutshell Infosoft. We also assist businesses with Class 3 Digital Signature Certificates across India.
Digital signing for business applications
Connect your application to a signing workflow for invoices, purchase orders, agreements, contracts and other PDF documents.
REST API integrationJSON-based requestsBulk PDF workflowsERP / CRM integration
API-based PDF signing
Bring digital signing into your existing software
Our Digital Signature API is designed for businesses and software teams that need to initiate PDF signing from their own applications. Integrate signing into an ERP, CRM, accounting system, HR platform, billing application or customer portal.
- REST API with JSON-based integration
- Signing workflows for invoices, purchase orders, contracts and agreements
- Support for real-time and bulk document-signing use cases
- Certificate-based signing with integration guidance
- Developer documentation and implementation assistance
01
Your business applicationERP, CRM, billing or portal generates a PDF
02
API requestApplication sends the document-signing request
03
Certificate-based signingSigning is performed through the configured certificate workflow
04
Signed PDF responseYour application receives the signed document or processing result
Where it fits
Digital signing use cases
Reduce manual document handling by connecting signing workflows to the systems your teams already use.
Purchase orders
Support signing workflows for purchase orders and procurement documents.
ProcurementERP & CRM platforms
Connect document signing with ERP, CRM and other enterprise applications.
System integrationHR & employee documents
Integrate signing into agreements, employee letters and internal document workflows.
HR operationsContracts & agreements
Include certificate-based PDF signing in contract and agreement processes.
Business documentsTender & eProcurement
Use an appropriate DSC for supported eTender, GeM and eProcurement submission workflows.
Government portalsA
Individual DSCFor eligible individual applicants
B
Organization DSCFor eligible organization-related signing requirements
C
Signature + EncryptionCombo certificate options, subject to requirement and availability
Digital Signature Certificates
Class 3 DSC assistance across India
A Digital Signature Certificate can be used to authenticate electronic submissions and sign documents on supported platforms. Nutshell Infosoft assists customers with Class 3 DSC requirements in collaboration with eMudhra, as stated in our current service offering.
- Individual Digital Signature Certificates
- Organization Digital Signature Certificates
- Signature and encryption combo options
- Guidance for application and issuance process
- Support for applicable MCA/ROC, GST, Income Tax, GeM and eTender use cases
Certificate type, applicant eligibility, identity verification, token requirements and acceptance depend on the issuing Certifying Authority and the destination portal's current rules. Confirm the exact requirement before applying.
Why Nutshell
API integration and DSC support from one team
Work with a technology team that understands both business applications and document-signing workflows.
Application integration
Integration support for Odoo, ERP, CRM, accounting software and custom business portals.
Developer assistance
API documentation and technical guidance for connecting signing to your application.
India-wide DSC assistance
Support for DSC enquiries and issuance coordination across India.
For software teams
Planning to automate PDF signing in your ERP?
Tell us about your document volume, application platform, certificate requirement and signing workflow. We can discuss the integration approach and implementation scope.
Need a Digital Signature API or Class 3 DSC?
Contact Nutshell Infosoft to discuss your software integration or certificate requirement.