N8n API Error Message - ECONNREFUSED

Describe the problem/error/question

I am not able to connect to the n8n API in the Credentials menu. I am however able to access the API via the API Playground and can, e.g. create or delete workflows.

I used http://localhost:5678/api/v1/ as the base url and I pasted the API key from the Settings/n8n API.

Please advise what I am doing wrong here! Thank you very much.

What is the error message (if any)?

Couldn’t connect with these settings

Please share your workflow


Information on your n8n setup

  • n8n version: 0.236.2
  • Database (default: SQLite):
  • n8n EXECUTIONS_PROCESS setting (default: own, main): n/a
  • Running n8n via (Docker, npm, n8n cloud, desktop app): npm
  • Operating system: macOS 12.6.3

Hi @bssei, I am sorry you’re having trouble.

You mean this screen, right?

Can you confirm which command exactly you are using to run n8n? Is there perhaps a white spaces anywhere in your base URL field?

And does calling the API directly via the HTTP Request node throw the same error for you, for example like below?


Thank you so much, @MutedJam. There was a white space in the base URL.

Thank you. That is working now.

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