How to call OpenAI with streaming responses from n8n
Native AI Agent + OpenAI Chat Model + Chat Trigger streaming setup for n8n, why the standard HTTP Request node silently buffers SSE, and the August 2026 Assistants API deadline.
Topic
n8n
n8n automation platform
n8n vs Make in 2026: pricing, execution limits, and when to pick which
Current n8n and Make prices, credit-versus-execution examples, cloud limits and a self-hosting budget that includes maintenance.
How to fix the n8n LinkedIn "Requested version 20250401 is not active" error
The n8n LinkedIn node started failing with HTTP 426 NONEXISTENT_VERSION because the hard-coded LinkedIn-Version header (202504) was deprecated. Upgrade to n8n 2.18.0+ for the fixed value (202604), or replace the node with an HTTP Request node carrying an active version header.
How to run n8n in queue mode with Redis and worker containers on Docker
A working docker-compose.yml for n8n queue mode: Redis broker, Postgres, main process, and worker replicas, plus how to verify workers actually pick up jobs.
How to fix n8n Google Sheets "Quota exceeded" rate-limit errors
Google Sheets API allows around 100 reads per 100 seconds per user. In n8n: add a 1-second delay between items, enable batching on the node, or switch to a service account with its own quota.
The n8n Nodes Catalog: a complete, machine-readable reference
A free, structured dataset of every n8n node, parsed from source and refreshed monthly. Built for LLM training, AI agent grounding, and developer reference.
n8n MCP server: build, lint, and debug workflows from your AI agent
Nine tools that generate correct n8n JSON, lint for the failure modes that matter, and diagnose silent data loss. Install snippets for Cursor, Claude Code, and six more hosts.
n8n Code node: Run Once for All Items vs Each Item
Run Once for All Items uses $input.all() and returns an array; Run Once for Each Item uses $json and returns { json: ... }. Three traps to watch.
n8n webhook returns 404: the most common causes and fixes
n8n 404 on webhooks is usually a wrong URL path, missing production webhook activation, or an n8n_disable_production_main_process flag. Steps to find and fix each cause.
How to fix the n8n "ECONNREFUSED" error in HTTP Request nodes
ECONNREFUSED means the target service is not listening on that port, or n8n is in Docker and cannot reach localhost. Replace localhost with host.docker.internal, verify the port, and check firewall rules.