Protect public webhooks with Ainoflow Guard rate limiting
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 9 nodes and runs when an HTTP POST request hits its webhook URL. It uses only n8n's built-in nodes.
How it runs
Trigger: When an HTTP POST request hits its webhook URL.
- Config (Edit Fields (Set)): sets 4 fields: rate_limit, window_sec, identity_mode…
- BuildIdentity (Code): runs custom JavaScript code
- GuardCheck (HTTP Request): calls an HTTP API (POST)
- If: checks a condition and branches into true / false
- BusinessLogic (Code): runs custom JavaScript code
- BuildDeniedResponse (Edit Fields (Set)): sets 3 fields: ok, error, retryAfter
- RespondOk (Respond to Webhook): sends the response back to the webhook caller
- RespondRateLimited (Respond to Webhook): sends the response back to the webhook caller
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 (6)
- Webhook
n8n-nodes-base.webhook - Edit Fields (Set)
n8n-nodes-base.set - Code
n8n-nodes-base.code - HTTP Request
n8n-nodes-base.httpRequest - If
n8n-nodes-base.if - Respond to Webhook
n8n-nodes-base.respondToWebhook
From the author
Webhook Rate Limiter (Ainoflow Guard) Stop webhook flooding before it starts. Add production-grade rate limiting to any n8n webhook in minutes - reject abusive traffic before expensive workflow logic executes. ✨ Key Features - ⚡ Edge-style decisions -…