Hey everyone,
I’ve been building OpenInbox — a disposable/temporary email API — and just shipped an official n8n integration that got verified on n8n Cloud this week.
What it does:
You can now automate disposable email workflows directly from the canvas — no code needed.
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OpenInbox Trigger — fires the moment an email lands in any of your inboxes -
OpenInbox Node — create inboxes, read emails, manage webhooks via REST operations -
Includes HMAC signature verification out of the box -
Auto-registers and cleans up webhooks when your workflow activates/deactivates
Most popular use case I’ve seen so far: OTP extraction — spin up a disposable inbox, trigger a signup flow, let n8n grab the 6-digit code automatically. No manual copy-paste.
To try it: just search OpenInbox directly in the node picker on n8n Cloud and drag it in.
There’s also a full demo workflow in the GitHub repo you can import — it covers webhook verification, event routing with a Switch node, and OTP parsing end to end.
API access requires a Pro, Business, or 7-Day Pass on OpenInbox — Pro has a free trial if you want to test it out: openinbox.io
Happy to answer any questions or take feedback. Would love to know what workflows you’d build with this.