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Dev tools · July 28, 2025

IsFakeMail

Stop fake signups without blocking real customers

IsFakeMail launched on July 28, 2025 with 3 votes. The site was still online in September 2026, 1 year on.

What it does

Easily detect and block fake or temporary email addresses with isfakemail.com. Protect your app from spam signups and improve deliverability using our fast and accurate disposable email checker

Detect disposable domains, role accounts, missing mail servers, suspicious addresses, and domain risk. Return allow, review, or block with a clear reason.

Check an email or domain for disposable providers, missing mail servers, role accounts, typos, and suspicious patterns. Disposable domains, free subdomains, missing mail servers, role accounts, typos, and relay addresses. One check returns them all with a default action. The inbox expires in minutes. Nothing you send there will ever be read. POST an email or domain with a bearer key. The response carries allow , review , or block , the main reason for it, and every raw signal for your logs. curl -s -X POST 'https://signupscore.com/api/v1/check' \ -H 'Authorization: Bearer ss_…' \ -H 'Content-Type: application/json' \ -d '{"input":"[email protected]"}' Response 200 OK { "request_id" : "01J…"…from signupscore.com

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