One API call. Detect temporary email addresses tied to non-converting users by querying our hourly-updated database.
Disposable emails aren't just a nuisance. They're how users game your product for free — and never pay.
A new inbox takes 10 seconds. Your free tier absorbs the cost; they never pay you back.
Most blockers ship a fixed domain list and call it a day. NoTemp catches what others miss — including the tricks users pull on real email providers.
POST a JSON payload with the email address to /v1/checkAddress. That's it.
The address is matched against our full database — exact addresses first, then the domain. Both layers are scraped and refreshed around the clock.
You get back {"isTemp": true | false}. Block, flag, or route — your call.
$ curl https://api.notemp.email/v1/checkAddress \-H "x-api-key: ntmp_sk_your_key_here" \--json '{"email": "user@tempmail.com"}'# {"isTemp": true}
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