Best 1SecMail Alternatives in 2026
The top 1SecMail alternatives are Mailinator, Temp Mail API and TemporaryEmail.dev: 15 temporary email services our editors would look at instead of 1SecMail, in our ranking order.
1SecMail: A free temporary email service with Android access, aliases, attachments, and paid capacity upgrades. Where it falls short: inbox lifespan descriptions range from 60 minutes to 24 hours.
Switching from 1SecMail? For most temporary email services buyers the best 1SecMail alternative is Mailinator, built for teams testing email workflows at scale. TempoMail offers the most retention period (30 days).
Why People Look for a 1SecMail Alternative
- Inbox lifespan descriptions range from 60 minutes to 24 hours
- Inbox protection is not provided
- The API key feature is still under development
- No aPI access — 15 of the alternatives below have it
Quick Picks by What You Need
- Best overallMailinator9.4
Teams testing email workflows at scale
Visit Mailinator - Lowest priceMailinator9.4
Paid plans from $79/mo
Visit Mailinator - Best free optionMailinator9.4
Has a free plan
Visit Mailinator - Most retention periodTempoMail8.5
30 days
Visit TempoMail - Best for api accessMailinator9.4
API access (1SecMail: no)
Visit Mailinator
All 15 1SecMail Alternatives, Ranked
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
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Best forTeams testing email workflows at scale
- Better than 1SecMail:
- API access
- Editor score 9.4 vs 6.9
A mature testing service for private inboxes, automation, APIs, and delivery workflows.
- API access
9.4/10★★★★★Visit Mailinator -
Best forDevelopers needing a full temporary-mail API
- Better than 1SecMail:
- API access
- Editor score 9.2 vs 6.9
A developer-focused temporary email service with strong automation and API coverage.
- Attachments
- API access
9.2/10★★★★★Visit Temp Mail API -
Best forTeams needing retention and delivery analytics
- Better than 1SecMail:
- API access
- Editor score 9.0 vs 6.9
A developer-focused temporary email service with retention, routing, and delivery analytics.
- Custom domains
- Attachments
- API access
9.0/10★★★★☆Visit site -
Best forPrivate inboxes and automated email workflows
- Better than 1SecMail:
- API access
- Editor score 8.8 vs 6.9
A flexible temporary email service with anonymous inboxes, APIs, and premium persistence.
- Custom domains
- Attachments
- API access
8.8/10★★★★☆Visit TempMaily -
Best forSecurity-conscious users needing automation
- Better than 1SecMail:
- API access
- Editor score 8.6 vs 6.9
A flexible temporary email service with strong automation and browser tools.
- Attachments
- API access
8.6/10★★★★☆Visit SecureTempMail -
Best forLonger-lived disposable inboxes with privacy controls
- Better than 1SecMail:
- API access
- Editor score 8.5 vs 6.9
A privacy-focused temporary inbox service with unusually broad free features.
- Attachments
- API access
8.5/10★★★★☆Visit TempoMail -
Best forUsers wanting apps, extensions, and saved addresses
- Better than 1SecMail:
- API access
- Editor score 8.4 vs 6.9
A flexible disposable-email service with apps, extensions, APIs, and Pro addresses.
- Attachments
- API access
8.4/10★★★★☆Visit EmailOnDeck -
Best forMulti-device temporary mail users
- Better than 1SecMail:
- API access
- Editor score 8.3 vs 6.9
A multi-device disposable mail service with attachments, notifications, and API access.
- Custom domains
- Attachments
- API access
8.3/10★★★★☆Visit Temp-Mail.org -
Best forFree users needing API and custom domains
- Better than 1SecMail:
- API access
- Editor score 8.2 vs 6.9
A capable free disposable email service with API access and affordable custom domains.
- API access
8.2/10★★★★☆Visit Guerrilla Mail -
Best forAI-agent workflows needing cheap inbox credits
- Better than 1SecMail:
- API access
- Editor score 8.1 vs 6.9
A low-cost API inbox service built for agent workflows, testing, and automation.
- API access
8.1/10★★★★☆Visit EmptyInbox -
Best forDevelopers needing short-lived programmable mailboxes
- Better than 1SecMail:
- API access
- Editor score 8.0 vs 6.9
A programmable temporary email service with strong lifecycle controls and a useful free tier.
- Custom domains
- Attachments
- API access
8.0/10★★★★☆Visit MinuteMail -
Best forFree users needing password-protected inboxes
- Better than 1SecMail:
- API access
- Editor score 7.9 vs 6.9
A free temporary email service with flexible expiry, inbox passwords, REST, and MCP access.
- API access
7.9/10★★★★☆Visit Throwaway -
Best forDevelopers testing mail with browser extensions
- Better than 1SecMail:
- API access
- Editor score 7.8 vs 6.9
A free, API-ready temporary inbox service for browser-based testing and short-lived signups.
- Attachments
- API access
7.8/10★★★★☆Visit MeowMail -
Best forFree API users needing streaming inbox events
- Better than 1SecMail:
- API access
- Editor score 7.7 vs 6.9
A free disposable inbox service with member controls and streaming API events.
- Custom domains
- Attachments
- API access
7.7/10★★★★☆Visit Getnada -
Best forFlexible expiry and custom-domain mailbox users
- Better than 1SecMail:
- API access
- Editor score 7.6 vs 6.9
A flexible temporary email service with REST access and paid custom-domain mailboxes.
- Custom domains
- API access
7.6/10★★★★☆Visit EvilMail
1SecMail Alternatives: Common Questions
What is the best alternative to 1SecMail?
Mailinator: #1 in our Temporary Email Services ranking, with an editor score of 9.4 out of 10. A mature testing service for private inboxes, automation, APIs, and delivery workflows.
Is there a free alternative to 1SecMail?
Yes. Mailinator, Temp Mail API, TemporaryEmail.dev, TempMaily and SecureTempMail have a free plan or a free tier (15 of the 15 alternatives on this page).
Why do people look for 1SecMail alternatives?
Inbox lifespan descriptions range from 60 minutes to 24 hours; Inbox protection is not provided; The API key feature is still under development.
Which 1SecMail alternative has the most retention period?
TempoMail, with 30 days.
How do I switch from 1SecMail?
Export your data from 1SecMail (most tools have an export in their settings). Sign up for the alternative; start on its free plan or trial if it has one. Import your export and set up the integrations your team relies on. Run both side by side for a short while, then cancel 1SecMail.
How to Switch from 1SecMail
- Export your data from 1SecMail (most tools have an export in their settings).
- Sign up for the alternative; start on its free plan or trial if it has one.
- Import your export and set up the integrations your team relies on.
- Run both side by side for a short while, then cancel 1SecMail.
1SecMail vs Each Alternative
| # | Tool | Free plan | Paid from | Inbox lifespan | API access | Score |
|---|---|---|---|---|---|---|
| 22 | 1SecMail | Yes | $35.99/yr | Minutes | No | 6.9 |
| 1 | Mailinator | Yes | $79/mo | Yes | 9.4 | |
| 2 | Temp Mail API | Yes | Yes | 9.2 | ||
| 3 | TemporaryEmail.dev | Yes | €9/mo | Hours | Yes | 9.0 |
| 4 | TempMaily | Yes | $90/yr | Hours | Yes | 8.8 |
| 5 | SecureTempMail | Yes | $39/yr | Yes | 8.6 | |
| 6 | TempoMail | Yes | Free | Hours | Yes | 8.5 |
| 7 | EmailOnDeck | Yes | Yes | 8.4 | ||
| 8 | Temp-Mail.org | Yes | Hours | Yes | 8.3 | |
| 9 | Guerrilla Mail | Yes | $9.99/yr | Yes | 8.2 | |
| 10 | EmptyInbox | Yes | Days | Yes | 8.1 | |
| 11 | MinuteMail | Yes | $86/yr | Minutes | Yes | 8.0 |
| 12 | Throwaway | Yes | Free | Hours | Yes | 7.9 |
| 13 | MeowMail | Yes | Free | Hours | Yes | 7.8 |
| 14 | Getnada | Yes | Minutes | Yes | 7.7 | |
| 15 | EvilMail | Yes | Minutes | Yes | 7.6 |
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update