Topic

How To

Tactical how-to / step-by-step / troubleshooting

How to fix n8n webhook not firing (test URL vs production URL gotcha)

n8n has two webhook URLs: test (/webhook-test/) and production (/webhook/). Using the wrong one for your mode causes silent failures. Here is how to check which URL your integration is calling and how to fix it.

How to fix n8n webhook returning 403 instead of 401 for invalid Basic Auth

n8n returns 403 Forbidden (not 401) when Basic Auth credentials are wrong - breaking browser re-challenge flows. Three workarounds: nginx proxy, Header Auth, or the pending patch in PR #26402.

Build an AI Sales Agent: Tools, Workflow, and Prompts

Five-scenario Make or n8n architecture plus the four prompt elements (tone, structure, fallback, formatting) that stop an AI sales agent from silently dropping qualification questions.

Slack user_huddle_changed event: when it fires and how to use it in n8n

user_huddle_changed fires on Slack Huddle entry and exit. Requires users:read. Here is the full payload, how it differs from user_change, and how to handle it in n8n.

How to export and import n8n workflows (JSON, CLI, and UI)

Three ways to export and import n8n workflows: UI download, CLI bulk export, and node copy-paste. Plus the credential re-linking step most guides skip.

How to connect QuickBooks to Zapier for automated bookkeeping

Connect QuickBooks Online to Zapier and automate invoicing, expense capture, and bookkeeping sync. Paid plan required.

How to Clear the Cursor Cache: Fix Stuck or Laggy AI

Stuck indexing, frozen chat, dead autocomplete? Clear Cursor's cache - the soft in-app reset first, then the on-disk folders, with the exact paths per OS.

How to Fix Power Automate Triggers Not Firing

A silent Power Automate trigger is almost always one of six things. Each cause with the one-minute check that confirms it and the exact fix.

Slack call_rejected webhook event: what it means and how to handle it in n8n

The call_rejected event fires when an invited user declines an API-created Slack call. Zero OAuth scopes required. Here is how to subscribe and handle it in an n8n Webhook workflow.

How to connect Google Calendar to Zapier

Connect Google Calendar to Zapier: triggers, actions, the rate limit gotcha, and the right way to add multiple attendees without overwriting.