IN THE FIELD GUIDE
Openinbox
openinbox.io
OpenInbox provides a free temporary email inbox service that creates a private disposable inbox instantly without registration. It supports real-time email delivery, OTP code detection, attachments up to 25 MB, and offers developer API, webhooks, and custom domains for extended use.
THE PRODUCT, BEYOND THE PITCH
Editorially reviewed · Sources checked Oct 10, 2026
A good fit for
- Users needing temporary, private email addresses without registration for privacy protection
Know the limitations
- Free inboxes expire after 1 hour and cannot be recovered after expiration
- Temporary emails are not recommended for banking, medical, or highly sensitive correspondence
What you can do
- Use disposable email addresses for sign-ups, downloads, and verification codes to protect privacy
- Developers can test email flows using the REST API and webhooks for automated testing and CI pipelines
Features
- Real-time email delivery with no refresh needed
- Verification codes and OTPs are detected and highlighted for easy copying
- Supports attachments up to 25 MB per message on every plan including free
Integrations
- Official n8n node and Telegram bot for integration
Platforms & data export
- Available on web, Chrome extension, iOS and Android apps, and Telegram bot
- Supports downloading attachments up to 25 MB
THE COST FOR YOUR TEAM
Go beyond the starting price.
Published plan prices for your team size and usage. Results update as you type. Taxes, currency conversion and unlisted add-ons are excluded, and anything the source did not state is called out rather than guessed.
Cheapest fit for 1 person, all 1 tools
$0.00/month
$0.00 a year on these plans.
| Tool / plan | Monthly | Per year | What this assumes |
|---|---|---|---|
FreeCheapest fit Flat subscription | $0.00 | $0.00 | Automatically extracted from the linked pricing source. Seat allowances, usage limits, taxes and terms are not confirmed — check them with the provider. |
Pro Flat subscription | $7.00 | $84.00 | Automatically extracted from the linked pricing source. Seat allowances, usage limits, taxes and terms are not confirmed — check them with the provider. |
Premium Flat subscription | $29.00 | $348.00 | Automatically extracted from the linked pricing source. Seat allowances, usage limits, taxes and terms are not confirmed — check them with the provider. |
A practical workflow
- A temporary email address is created instantly when the page loads
- Paste the temporary email address into any sign-up form, newsletter box, or download gate
- Emails appear instantly in the inbox with codes highlighted for easy copying
Based on the sources below. Editorial review does not imply hands-on product testing.
Alternatives to explore
Filter alternatives →Candidates based on category and primary feature. Check feature and pricing differences before switching.
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