ConvertKit Trigger n8n error ConvertKit Trigger: webhook URL must be a public HTTP(S) URL"

Describe the issue/error/question

help me troubleshoot this n8n error "Problem running workflow
Your request is invalid or could not be processed by the service

Show Details
ConvertKit Trigger: webhook URL must be a public HTTP(S) URL"

What is the error message (if any)?

help me troubleshoot this n8n error "Problem running workflow
Your request is invalid or could not be processed by the service

Show Details
ConvertKit Trigger: webhook URL must be a public HTTP(S) URL"

Please share the workflow

(Select the nodes and use the keyboard shortcuts CMD+C/CTRL+C and CMD+V/CTRL+V to copy and paste the workflow respectively)

convertkit trigger formsubscribe

Share the output returned by the last node

Information on your n8n setup

  • n8n version:
  • Database you’re using (default: SQLite):
  • Running n8n with the execution process [own(default), main]:
  • Running n8n via [Docker, npm, n8n.cloud, desktop app]:

running n8n via docker

Hi @trilltayo, welcome to the community

This error suggests that ConverKit isn’t able to send anything to your n8n instance.

Does your n8n instance have a public URL? Or does it perhaps say something like localhost when expanding the Webhooks URLs section of your ConvertKit trigger node:

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