Answer document questions via webhook with Anthropic Claude
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 workflow has 6 nodes and runs when an HTTP POST request hits its webhook URL. It uses only n8n's built-in nodes. It also calls api.anthropic.com over HTTP.
How it runs
Trigger: When an HTTP POST request hits its webhook URL.
- Load and Chunk Docs (Code): runs custom JavaScript code
- Retrieve Top Chunks (Code): runs custom JavaScript code
- Claude Grounded Answer (HTTP Request): calls api.anthropic.com (POST)
- Parse and Guard (Code): runs custom JavaScript code
- Send Answer (Respond to Webhook): sends the response back to the webhook caller
HTTP calls to: api.anthropic.com
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 (4)
- Webhook
n8n-nodes-base.webhook - Code
n8n-nodes-base.code - HTTP Request
n8n-nodes-base.httpRequest - Respond to Webhook
n8n-nodes-base.respondToWebhook
From the author
Quick Overview This workflow exposes a webhook for document Q&A by chunking pasted docs, retrieving the most relevant sections via keyword scoring, and sending the selected excerpts to Anthropic Claude to generate a grounded, cited answer returned as JSON.…