n8n-nodes-instafill

This is a n8n community node. It lets you use Instafill.ai in your n8n workflows.

Instafill.ai is an AI-powered form automation platform. It fills PDF and Word forms in seconds — extracting fields, mapping your data semantically, and completing forms automatically. Used by legal, insurance, healthcare, and finance teams to eliminate manual data entry at scale.

n8n is a fair-code licensed workflow automation platform.

Installation Operations Credentials Compatibility Resources

Installation

Follow the installation guide in the n8n community nodes documentation.

Operations

Instafill.ai (Action node)

Fill

• Create — Fill a PDF form with data from provided sources (file URLs, text) using AI.
• Get — Retrieve the status of a form fill by its ID.

Form

• Upload — Upload a PDF form to your Instafill.ai workspace.
• Get Many — Search for forms in your workspace by name.

Utility

• Convert PDF — Convert a flat (non-interactive) PDF into a fillable form. Returns a job ID to track the conversion.
• Get Conversion Status — Check the status of a conversion job. Returns the result and a link to the fillable form when complete.
• Check If Flat — Determine whether a PDF is already fillable or needs to be converted first.

Instafill.ai Trigger

• Form Converted — Starts when a flat-to-fillable PDF conversion completes.
• Form Filled — Starts when a form has been filled with data.

Credentials

To authenticate with Instafill.ai, you need an API key.

Prerequisites: An active Instafill.ai account.

You can find your API key in your workspace API settings.

Setting up credentials in n8n:

1. In n8n, open Credentials and create a new credential of type Instafill.ai API.
2. Paste your API key into the API Key field.
3. Click Save — n8n will verify the key automatically.

Example Workflows

Fill a form with data from a document:

1. Instafill.ai (Fill > Create) — Select a form from the dropdown, provide source file URLs or text data.
2. Wait — Pause the workflow to allow processing.
3. Instafill.ai (Fill > Get) — Pass the fill ID to check status and get the filled PDF URL.

Upload and convert a flat PDF:

1. Read Binary File — Load a PDF from disk or an HTTP request.
2. Instafill.ai (Form > Upload) — Upload the PDF to your workspace.
3. Instafill.ai (Utility > Convert PDF) — Send the PDF for conversion. Returns a job ID.
4. Instafill.ai (Utility > Get Conversion Status) — Check if conversion is complete.

Use trigger nodes for automation:

1. Instafill.ai Trigger (Form Filled) — Starts the workflow when a form is filled with data.
2. Instafill.ai Trigger (Form Converted) — Starts the workflow when a PDF conversion completes.

Compatibility

Tested against n8n version 1.x. No known incompatibilities.

Resources

• n8n community nodes documentation
• Instafill.ai
• Instafill.ai API documentation