mail.gw
Generate disposable email addresses that expire after 10 minutes.
Read docs Updated 2026-06-17
What is mail.gw?
mail.gw is a no-auth temporary email API that issues short-lived addresses for receiving mail.
It is useful for developers running automated tests or users avoiding personal inboxes during one-time registrations.
What you can build with mail.gw
Email Verification Testing
Developers generate disposable addresses to test signup flows, confirmation links, and OTP delivery in web or mobile apps without using personal inboxes.
Automated Account Signups
Scripts create temporary accounts on third-party services by receiving and parsing confirmation emails sent to on-demand mail.gw addresses.
Privacy-Focused Prototypes
Build demos or tools that let users receive emails via short-lived addresses, avoiding exposure of real email accounts during early product testing.
Get started with mail.gw
- 1Call the create address endpoint over HTTPS to generate a new inbox
- 2Copy the returned address and use it in your application or test
- 3Send an email to the generated address from your service or script
- 4Poll the messages endpoint using the inbox ID to fetch incoming mail
- 5Read message content or let the inbox expire naturally after use
mail.gw: pros & cons
Pros
- +No authentication required
- +Instant address creation
- +HTTPS only endpoints
- +Simple for quick testing
Cons
- –Messages deleted after short time
- –No data persistence across sessions
- –Not suitable for production email
Did you find this helpful?
Frequently asked questions
A free API service that creates temporary inboxes on demand for short-term email reception without any login.
User reviews
Verified reviews from the community shape this listing's rating.
Loading reviews…
Similar APIs
Other social & web options worth comparing.