
Disposable inboxes for email testing with OTP extraction and webhooks.
TempMailGrab 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.
Automate disposable inboxes over a REST API: create inboxes, poll messages, read auto-extracted OTPs and links. Auth, webhooks and code examples.
Details from tempmailgrab.com.

Unified API suite · now live
Geocode an address, validate an email, track a flight or pull stock data with one account, one dashboard and one API key.
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
Verifies that a given email is real
A service that provides solutions relating to marketing and/or transactional email and/or SMS
The TempMailGrab API is provided by TempMailGrab (tempmailgrab.com). Automate disposable inboxes over a REST API: create inboxes, poll messages, read auto-extracted OTPs and links. Auth, webhooks and code examples.
Yes. The TempMailGrab 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 TempMailGrab API uses apiKey authentication, so you need to register for credentials before making requests.
Not directly. The TempMailGrab API does not allow CORS, so call it from a server, serverless function or proxy instead of front-end JavaScript.
Yes. The TempMailGrab API is served over HTTPS, so it's safe to use in production.