Verifier
Verifies that a given email is real

Temp email address REST API for privacy, testing, automation with OTP extraction.
Xeramail Temp Mail API is a free Email API that requires apiKey authentication, is served over HTTPS and does not support CORS, so it should be called from a server.
Every endpoint of the Xeramail Developer API, with request and response examples.
Details from xeramail.com.

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Geocode an address, validate an email, track a flight or pull stock data with one account, one dashboard and one API key.
Verifies that a given email is real
Bulk email verification with full SMTP server responses
Email for AI agents: send email, receive replies as threads, with per-key send limits and approvals
A service that provides solutions relating to marketing and/or transactional email and/or SMS
The Xeramail Temp Mail API is provided by Xeramail (xeramail.com). Every endpoint of the Xeramail Developer API, with request and response examples.
Yes. The Xeramail Temp Mail 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.
Yes. The Xeramail Temp Mail API uses apiKey authentication, so you need to register for credentials before making requests.
Not directly. The Xeramail Temp Mail API does not allow CORS, so call it from a server, serverless function or proxy instead of front-end JavaScript.
Yes. The Xeramail Temp Mail API is served over HTTPS, so it's safe to use in production.