ThrowawayMail
ThrowawayMail: A free, API-ready option for short-lived inboxes and real-time message delivery. Ranked #20 of 33 in Temporary Email Services by our editors (7.1/10); pricing: Free plan; best for developers needing a free real-time API.
At a glance
- Editor score7.1 / 10
- PricingFree plan
- Best forDevelopers needing a free real-time API
- Free planYes
- Paid fromFree
- Inbox lifespanMinutes
- Facts checked21 Sep 2026
Where it wins
- Free REST and WebSocket APIs with no API keys or usage charges
- Real-time incoming email notifications through WebSocket delivery
- Creates disposable inboxes without registration and supports early deletion
Where it doesn't
- Addresses and messages are automatically deleted after 10 minutes
- Short retention limits workflows needing longer-lived inboxes
- Mailbox access uses the mailbox_id as the documented credential
Our verdict on ThrowawayMail
ThrowawayMail is a browser-based disposable email service for receiving messages without registration. It generates temporary addresses for sign-ups, verification flows, integration testing, CI/CD pipelines, automated workflows, and AI-agent use. Incoming messages arrive in real time, while each mailbox and its messages are automatically deleted after 10 minutes. The web interface suits quick, manual use; the API surface is aimed at developers who need temporary inboxes inside software workflows.
The service is free, with no paid tiers described. Its REST API covers mailbox creation, message listing, message reading, and early mailbox deletion. A WebSocket API sends notifications when new messages arrive, making the service suitable for workflows that need event-driven delivery instead of repeated polling. The published feature set also states that API access requires no API keys, authentication, rate limits, or usage charges. That combination keeps initial integration simple and makes cost predictable for the supported use case.
ThrowawayMail fits short-lived testing and verification tasks where automatic cleanup is useful. Its narrow retention window is also the main boundary: a mailbox and its messages disappear after 10 minutes, so teams needing persistent access, longer review periods, or durable message history should choose a service built for extended retention. Mailbox access uses the mailbox_id as the documented credential, which is an important consideration when designing how temporary addresses are shared or stored. Choose ThrowawayMail for fast, disposable inbox creation and free real-time API delivery; look elsewhere when retention, durable inbox management, or broader mailbox controls matter.
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ThrowawayMail pricing
ThrowawayMail fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Inbox lifespan | Minutes |
| Retention period | Not verified |
| Custom domains | Not verified |
| API access | Yes |
| Attachments | Not verified |
| Inbox protection | Not verified |
| Deployment | Cloud |
| Platforms | Web |
| Support | Email, Docs |
| Built for | Solo, Small business, Mid-market, Enterprise (editorial estimate) |
| Pricing | Free plan |
| Website | throwawaymail.app |
| Facts checked | 21 Sep 2026 |
Alternatives to ThrowawayMail
- MailinatorA mature testing service for private inboxes, automation, APIs, and delivery workflows.9.4
- Temp Mail APIA developer-focused temporary email service with strong automation and API coverage.9.2
- TemporaryEmail.devA developer-focused temporary email service with retention, routing, and delivery analytics.9.0
See all ThrowawayMail alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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