Webhook-enabled AI PDF analyzer
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
What this workflow does
This AI workflow has 12 nodes and runs when an HTTP POST request hits its webhook URL. Along the way it connects OpenAI Chat Model.
How it runs
Trigger: When an HTTP POST request hits its webhook URL.
- Get File Hash (Crypto): hashes or encrypts values
- Get Filesize (Code): runs custom JavaScript code
- Extract from File: extracts data from a file (pdf)
- Is Valid File? (If): checks a condition and branches into true / false
- Information Extractor: extracts structured fields from text with AI, with model: OpenAI Chat Model
- 400 Error (Respond to Webhook): sends the response back to the webhook caller
- Format Response (Edit Fields (Set)): sets 1 field: response
- 500 Error (Respond to Webhook): sends the response back to the webhook caller
- Success (Respond to Webhook): sends the response back to the webhook caller
Services it uses
Before you upgrade to n8n 3.0
Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.
Nodes used (10)
- No Operation, do nothing
n8n-nodes-base.noOp - Respond to Webhook
n8n-nodes-base.respondToWebhook - If
n8n-nodes-base.if - Code
n8n-nodes-base.code - Extract from File
n8n-nodes-base.extractFromFile - Information Extractor
@n8n/n8n-nodes-langchain.informationExtractor - Edit Fields (Set)
n8n-nodes-base.set - Crypto
n8n-nodes-base.crypto - Webhook
n8n-nodes-base.webhook - OpenAI Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenAi
From the author
Who this template is for This template is for researchers, students, professionals, or content creators who need to quickly extract and summarize key insights from PDF documents using AI-powered analysis. Use case Converting lengthy PDF documents into…