Turbo eSigner Digital Signing API

 

The Turbo eSigner Digital Signing API is a REST-based interface designed to securely apply digital signatures to PDF documents. Using PFX (Personal Information Exchange) certificates, this API ensures that documents are signed in a way that guarantees authenticity, integrity, and non-repudiation. It supports token-based authentication, enabling secure access and integration into enterprise systems.



Key Features

  • PFX-based Digital Signatures: Apply legally valid digital signatures to PDFs using industry-standard PFX credentials.

  • REST API: Easy integration via REST calls; accepts unsigned PDF as byte streams and returns signed PDF documents.

  • Token-based Authentication: Access control via secure token workflows. Ensures only authorized clients can use the signing functions.

  • Customisable Signature Options: Ability to configure signature appearance, placement, and metadata.

Benefits

  • Enhanced Security: Digital signatures protect document integrity and confirm signer identity.

  • Improved Efficiency: Automates manual workflows of printing, signing, scanning, thus saving time and reducing errors.

  • Regulatory Compliance: Meets requirements for legally binding digital signatures in relevant jurisdictions.

  • Seamless Integration: Works with existing software systems (ERP, CRM, internal applications) via API calls—no need for manual interventions.

Use Cases

  • Signing contracts, agreements, legal documents

  • Issuing auditor-certified financial reports

  • Automating document workflows (tax filings, tender documents, company filings)

  • Integrating in SaaS or enterprise apps that require digital signature capabilities

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