DWS API Document Signing

Sign PDF documents server-side by uploading to Nutrient DWS Processor API

API DocumentationDWS Processor Guide
Server-Side Signing

Server-Side Signing

Send complete documents to DWS API for server-side digital signature processing

Full Document Processing

Full Document Processing

Complete PDF is sent to DWS API and returned fully signed

Configurable Signatures

Configurable Signatures

Choose between visible and invisible signatures with CAdES b-lt validation

Select Document to Sign

Signature Type

Signature will be embedded cryptographically without visible appearance

How It Works
  1. Select a PDF document from the available samples
  2. Choose between visible or invisible signature types
  3. The entire document is sent to the DWS Processor API via POST request
  4. DWS API applies a CAdES b-lt digital signature to the document
  5. The signed PDF is returned and displayed in the Web SDK viewer
  6. Download the signed document with legally binding digital signature

This sample demonstrates server-side document signing using DWS Processor API. Requires NUTRIENT_API_KEY environment variable to be configured