REST API for signing PDFs with webhooks

Legal and operations teams, or developers, who need to add digital signing to document workflows.

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Third party software. By copying, downloading or installing it you accept the Academy legal notice: you are responsible for reviewing its code and permissions before use.

create-a-rest-api-for-pdf-digital-signatures-with-webhooks.json

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What it does

This n8n workflow exposes webhook endpoints that accept a PDF upload and a JSON signing configuration. It can use an existing PFX certificate or create a new one, applies a digital signature to the PDF and returns the signed file for download.

Use cases

01Sign PDFs through an API call
02Test PDF signing before production
03Connect document signing to an existing workflow

Connects

Code

Questions about
REST API for signing PDFs with webhooks.

What is REST API for signing PDFs with webhooks used for?

Legal and operations teams, or developers, who need to add digital signing to document workflows. This n8n workflow exposes webhook endpoints that accept a PDF upload and a JSON signing configuration. It can use an existing PFX certificate or create a new one, applies a digital signature to the PDF and returns the signed file for download.

How do I import REST API for signing PDFs with webhooks into n8n?

Copy the workflow JSON from this page and paste it onto the n8n canvas with Ctrl+V or Cmd+V. Then connect your credentials in each node.

Is REST API for signing PDFs with webhooks safe to use?

It passed our automatic scan for credential theft, hidden instructions and risky install commands. Third party open source software. Sabemos AI does not maintain it. Check the code and permissions before you connect it to company data.

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