Read docs Updated 2026-06-17
What is mail.tm?
mail.tm is a temporary email service that generates disposable addresses for limited-duration use.
It is useful for testing, sign-ups, or any scenario where a permanent email address is not desired.
What you can build with mail.tm
Email verification testing
Developers use mail.tm to generate disposable addresses for testing signup flows, OTP delivery, and confirmation links in web or mobile apps without polluting real inboxes.
Automated account creation scripts
Scripts and bots create temporary accounts on platforms that require email validation, allowing bulk testing or data scraping while avoiding personal email exposure.
Privacy-preserving notifications
Applications route short-lived alerts or one-time messages through mail.tm addresses for users who want to avoid sharing permanent emails during trials or demos.
Get started with mail.tm
- 1Visit https://mail.tm or the public API docs to explore endpoints
- 2Call the domain list endpoint to retrieve available domains
- 3Create a new account by posting an address and password to the accounts endpoint
- 4Retrieve the inbox by querying messages with the account token
- 5Poll or webhook the messages endpoint to read incoming emails
mail.tm: pros & cons
Pros
- +No authentication or API key needed
- +HTTPS-only access for basic security
- +Instant address creation for quick tests
- +Free for short-term disposable use
Cons
- –Messages auto-delete after a short period
- –No support for sending outbound mail
- –Rate limits and potential blocks on heavy use
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Frequently asked questions
mail.tm is a free service that provides temporary email addresses accessible via a public HTTPS API for short-term use cases.
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