Email
apiKeyHTTPSNo CORS
Email
mailfloss API
Not rated yet · Be the first to rate itStop spam signups: block disposable and invalid emails and suggest typo fixes. 500 free a month.
mailfloss API is a free Email API that requires apiKey authentication, is served over HTTPS and supports CORS, so it can be called from the browser.
- Authentication
- apiKey
- HTTPS
- Yes
- CORS
- Yes
- Category
- Uptime (30 days)
- 100%
Visit documentation ↗developers.mailfloss.com
Online · 2077 msTested Nov 15, 2026 · checked dailyIs it down? Status & uptime
About mailfloss API
- Provider
- mailfloss API
- Website
- developers.mailfloss.com ↗
Details from developers.mailfloss.com.
Key facts
- 100% uptime (30 days)
- Callable from the browser (CORS)
- HTTPS
Validate emails before they bounce
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Ratings & reviews
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mailfloss API FAQ
Who provides the mailfloss API?
The mailfloss API is provided by mailfloss API (developers.mailfloss.com).
Is the mailfloss API free?
Yes. The mailfloss API is listed in the Email category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.
Does the mailfloss API require an API key?
Yes. The mailfloss API uses apiKey authentication, so you need to register for credentials before making requests.
Can I call the mailfloss API from the browser?
Yes. The mailfloss API supports CORS, so front-end JavaScript can call it directly.
Does the mailfloss API support HTTPS?
Yes. The mailfloss API is served over HTTPS, so it's safe to use in production.
Maintain the mailfloss API? Add a badge
Show that mailfloss is listed on Public APIs. The badge displays its developer rating once it has one.
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