n8n Loop node only processes the first item: how to fix it
The Loop Over Items node only processes one batch when processing nodes aren't wired back to its input. Here's the exact fix, plus the Merge node pattern for conditional branches.
Topic
No-Code
A collection of 40 issues
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.
Bubble vs Webflow vs Carrd: Building a SaaS Landing Page in 2026
Three no-code builders, three different jobs. Carrd for one fast page, Webflow for a marketing site with a CMS, Bubble only if an app sits behind the page.
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.
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.
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.
How to connect HubSpot to Zapier without code
Connect HubSpot to Zapier without code: triggers, actions, and the Static List limitation that catches most teams off guard.