Side by side
Temp Mail API vs TmpKit
Both stand on disposable email services. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan AndroidAPIExtension+2
Temp Mail API supports programmatic handling of temporary inboxes and lists several testing and CI/CD integrations. The maker describes the email service as free, but API access and its remote MCP server require an active premium account.
Visit Temp Mail API Free plan Web
Choose TmpKit for temporary inboxes for low-risk confirmations, or for its email diagnostics and browser-based utilities. Look elsewhere for two-way email or a service for sensitive information, important accounts, or account recovery.
Visit TmpKitThe facts
| Temp Mail API | TmpKit | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Android, API, Extension, iPhone, Web | Web |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 1 |
| Maker | Not published | Not published |
| Website | docs.temp-mail.io | tmpkit.com |
| On disposable email services | #14 of 25 | #22 of 25 |
Temp Mail API: what it does well
- Can retrieve messages and download attachments programmatically.
- Lists libraries for Golang, .NET, Node.js, PHP and Python.
- Integrations include Playwright, GitHub Actions, Jenkins and GitLab CI.
- Emails are automatically deleted after retention, up to 30 days.
What to know first
- API access requires an active premium account.
- No free trial is offered.
- API requests require an API key in the X-API-Key header.
TmpKit: what it does well
- Free plan costs nothing.
- No account, name, or password is required.
- Includes MX, SPF, DMARC, DKIM, header, and disposable-domain diagnostics.
- Password, JSON, UUID, and hash inputs process in the browser.
- Custom addresses, API access, and attachments are supported.
What to know first
- Inbox use is receive-only; messages cannot be composed, replied to, or forwarded.
- Inbox lifetime is hours, and attachments disappear when it expires.
- Temporary addresses are not confidential or guaranteed anonymous.
- Not advised for sensitive information, important accounts, or account recovery.
Alternatives to Temp Mail API Alternatives to TmpKit The whole list