No. 4 of 33 ·Temporary Email Services

1SecMail

Web · Android · API · Extension · paid plans from $3/mo

Freedom report

Two barsScore 6.5

Free tierA free tier is on its own pricing page
Open codeNo open-source code on record
Runs widely2 of 6 device platforms
DocumentedPlans, terms and facts published

1SecMail is ranked #4 of 33 in temporary email services on Freedom251. It runs on Android, API, Browser extension, Web. There is a free plan. Paid plans start at $3/mo.

1SecMail plans and pricing

All plans

Free Plan Free Free Own Domains · 3 Inbox Records · 3 Saved Messages · Premium Support · View Attachments · Premium Domains 1secmail.cc · 1 Oct 2026

Standard $4.99/mo $4.99 Monthly 5 Own Domains · 30 Inbox Records · 30 Saved Messages · Premium Support · View Attachments · Premium Domains 1secmail.cc · 1 Oct 2026

Premium $9.99/mo $9.99 Monthly 10 Own Domains · 50 Inbox Records · 50 Saved Messages · Premium Support · View Attachments · Premium Domains 1secmail.cc · 1 Oct 2026

Pro API Key $10/mo $10 USD per month Unlimited Requests (fair usage policy applies) · Faster Response Times · Private API Key Access · Developer Friendly 1secmail.cc · 1 Oct 2026

Gold $35.99/yr $35.99 Yearly 20 Own Domains · 500 Inbox Records · 500 Saved Messages · Premium Support · View Attachments · Premium Domains 1secmail.cc · 1 Oct 2026

Diamond $45.98/yr $45.98 Yearly Unlimited Own Domains · Unlimited Inbox Records · Unlimited Saved Messages · Premium Support · View Attachments · Premium Domains 1secmail.cc · 1 Oct 2026

Compared on temporary email services

Free plan: Yes
Paid from: $4.99/mo
Inbox lifespan: minutes
Custom domains: Yes
API access: No
Attachments: Yes
Inbox protection: none

Best 1SecMail alternatives

See all 12

Two bars SecureTempMail Free tier No. 1$3.25/mo6.6 Two bars Temp-Mail.org Free tier No. 2$5/mo6.6 Two bars 10 Minute Mail Free tier No. 3Free6.5 Two bars EmailOnDeck Free tier No. 5Free6.5 One bar Mail.cx Free tier No. 6$0.82/mo6.4 One bar Mohmal Free tier No. 7$3/mo6.4

The record

Disposable email: 1SecMail provides free temporary disposable email for secure, anonymous sign-ups.
No registration: Users can generate a temporary mailbox without signing up or providing personal information.
Email lifetime: The one-time-email guide says addresses and related communications are usually automatically erased after 24 hours.
Sending and receiving: The homepage says the platform allows users to send and receive messages.
Custom aliases: Users can create a unique email alias instead of using the default address.
Privacy: 1SecMail says it gathers no personal information and automatically deletes transient emails.
Security limitation: The one-time-email guide warns that public temporary addresses should not be used for sensitive or financial information.
API integration: The Pro API is designed for developers and companies to add disposable email to websites or applications.
API status: The API page says the API-key feature is currently under development.
API capabilities: The published API documentation includes endpoints for domains, creating, updating and deleting emails, retrieving messages, and downloading attachments.
Premium domains: Premium users can choose domains including 1secmail.cc, 1secmail.website, and 1secmail.live.
Premium storage: The Premium page advertises extended 100MB storage, no ads, and premium support.
Support: The contact page directs users to [email protected] for general questions, technical assistance, and support requests.
Browser extension: A 1SecMail temporary-email extension is listed in the Chrome Web Store and provides instant access to temporary email.
Price from: $3/mo

Where it ranks on Freedom251

Best Temporary Email Services in 2026#4 of 33

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Sources

1secmail.cc/en· checked 1 Oct 2026
1secmail.cc/en/post/what-is-one-hour-mail-and-how-d· checked 1 Oct 2026
1secmail.cc/en/post/how-to-get-email-for-one-time-u· checked 1 Oct 2026
1secmail.cc/en/post/what-is-a-1-use-email-and-how-d· checked 1 Oct 2026
1secmail.cc/en/page/1secmail-api· checked 1 Oct 2026
github.com/1sec-mail/1secmail-api· checked 1 Oct 2026
1secmail.cc/en/page/premium· checked 1 Oct 2026
1secmail.cc/en/page/contact-us· checked 1 Oct 2026
chromewebstore.google.com/detail/1secmail-temporary-email/lmeiide· checked 1 Oct 2026