Templates / Register credential overwrites on startup with the n8n API

Register credential overwrites on startup with the n8n API

Ready for 3.0

by Liam McGarrigle ✓ · 251 views · created 2026-07-13 · DevOps

Ready 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 5 nodes and runs manually, when you click “Execute workflow” (plus 1 other trigger). It uses only n8n's built-in nodes.

How it runs

Trigger: Manually, when you click “Execute workflow” (plus 1 other trigger).

ADD HERE (Edit Fields (Set)): sets or maps fields
Register Overwrites (HTTP Request): calls an HTTP API (POST)
Get Credential Schema (HTTP Request): calls an HTTP API

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)

Manual Triggern8n-nodes-base.manualTrigger
HTTP Requestn8n-nodes-base.httpRequest
n8n Triggern8n-nodes-base.n8nTrigger
Edit Fields (Set)n8n-nodes-base.set

From the author

Quick Overview This workflow helps you set and maintain n8n credential overwrites by fetching credential schemas via the n8n REST API and registering overwrite values on every n8n startup using the credential overwrite endpoint. How it works 1. Runs manually…
Excerpt from Liam McGarrigle's description on n8n.io.

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