Unable activate Mailjet trigger workflow

Describe the issue/error/question

I’m trying to enable the mailjet trigger node, but it won’t activate for some reason. I’m sure my credentials are correct, and “Sandboxed” mode is unchecked as I’m also using the same for sending emails.

I’ve carefully followed the mailjet trigger documentation especially the last bit of saving the workflow and then activating. But to no avail.

What is the error message (if any)?

Problem running workflow.
Bad request - please check your parameters
Mailjet Trigger: Invalid json input: object ""->"TEventCallbackURL" has no property "SandboxMode"

Please share the workflow

Information on your n8n setup

  • n8n version: 0.174.0
  • Database you’re using (default: SQLite): Postgres
  • Running n8n via [Docker, npm, n8n.cloud, desktop app]: Docker

Hi @physx911, I am sorry to hear you’re having trouble here.

I shall take a look into this and will get back to you as soon as I can.

Just a quick update on this one: I was able to reproduce the problem and have added this to our internal bug tracker.

As a workaround you could consider manually configuring webhooks in Mailjet and send them to the n8n Webhook trigger node. You’d just need to make sure to select POST as the method:

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