mailboxlayer API vs Nurtz

Free & Simple Email Verification JSON API

Mailboxlayer is a free, simple and powerful JSON API offering instant email address validation & verification via syntax checks, typo and spelling checks, SMTP checks, free and disposable provider filtering, and much more. Its system is REST-based, secured by 256-bit HTTPS encryption, and pursuing the goal of assisting developers and businesses in fighting fraudulent users and increasing success rates of email campaigns.

Proofreading concierge in your Slack

Nurtz gives you an access to dedicated text editor integrated into your Slack team. When you are not sure about your writing or just want to improve it – send it to the editor and get text polished in less than 10 minutes.