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Dev tools · March 23, 2022

IsTempMail

Block temporary email addresses

IsTempMail launched on March 23, 2022 with 2 votes. The site was still online in September 2026, 4 years on.

What it does

Disposable email address services are mostly used for spamming, fake registration, free trial abuse, etc. IsTempMail provides a reliable, real-time API to check disposable email addresses, so you can block them all.

Detect and block disposable, temporary, fake email addresses. Fight spam, fraud and free trial abuse. Available as WordPress plugin and via JSON API.

Disposable email address services are used for spamming, fake registration, free trial abuse, etc. Our service checks for disposable email addresses, so you can block them in realtime. Our API is dead simple to use. Just pass an email and your API token and get the validation result as a JSON object. POST the email address or domain to validate to the check endpoint. You'll get a JSON response with the domain name, disposable email block status and potentially an unresolvable flag. to get you started even faster. We offer API libraries for Javascript (npm package) and a PHP library (github repo) . New disposable email services keep popping up, and we keep blocking them for you. Use our…from istempmail.com

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